http://git-wip-us.apache.org/repos/asf/hbase-site/blob/545640e1/devapidocs/src-html/org/apache/hadoop/hbase/mob/MobUtils.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/mob/MobUtils.html b/devapidocs/src-html/org/apache/hadoop/hbase/mob/MobUtils.html index 852695e..c7856c4 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/mob/MobUtils.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/mob/MobUtils.html @@ -375,652 +375,684 @@ <span class="sourceLineNo">367</span> */<a name="line.367"></a> <span class="sourceLineNo">368</span> public static Path getMobHome(Configuration conf) {<a name="line.368"></a> <span class="sourceLineNo">369</span> Path hbaseDir = new Path(conf.get(HConstants.HBASE_DIR));<a name="line.369"></a> -<span class="sourceLineNo">370</span> return new Path(hbaseDir, MobConstants.MOB_DIR_NAME);<a name="line.370"></a> +<span class="sourceLineNo">370</span> return getMobHome(hbaseDir);<a name="line.370"></a> <span class="sourceLineNo">371</span> }<a name="line.371"></a> <span class="sourceLineNo">372</span><a name="line.372"></a> <span class="sourceLineNo">373</span> /**<a name="line.373"></a> -<span class="sourceLineNo">374</span> * Gets the qualified root dir of the mob files.<a name="line.374"></a> -<span class="sourceLineNo">375</span> * @param conf The current configuration.<a name="line.375"></a> -<span class="sourceLineNo">376</span> * @return The qualified root dir.<a name="line.376"></a> -<span class="sourceLineNo">377</span> * @throws IOException<a name="line.377"></a> +<span class="sourceLineNo">374</span> * Gets the root dir of the mob files under the qualified HBase root dir.<a name="line.374"></a> +<span class="sourceLineNo">375</span> * It's {rootDir}/mobdir.<a name="line.375"></a> +<span class="sourceLineNo">376</span> * @param rootDir The qualified path of HBase root directory.<a name="line.376"></a> +<span class="sourceLineNo">377</span> * @return The root dir of the mob file.<a name="line.377"></a> <span class="sourceLineNo">378</span> */<a name="line.378"></a> -<span class="sourceLineNo">379</span> public static Path getQualifiedMobRootDir(Configuration conf) throws IOException {<a name="line.379"></a> -<span class="sourceLineNo">380</span> Path hbaseDir = new Path(conf.get(HConstants.HBASE_DIR));<a name="line.380"></a> -<span class="sourceLineNo">381</span> Path mobRootDir = new Path(hbaseDir, MobConstants.MOB_DIR_NAME);<a name="line.381"></a> -<span class="sourceLineNo">382</span> FileSystem fs = mobRootDir.getFileSystem(conf);<a name="line.382"></a> -<span class="sourceLineNo">383</span> return mobRootDir.makeQualified(fs.getUri(), fs.getWorkingDirectory());<a name="line.383"></a> -<span class="sourceLineNo">384</span> }<a name="line.384"></a> -<span class="sourceLineNo">385</span><a name="line.385"></a> -<span class="sourceLineNo">386</span> /**<a name="line.386"></a> -<span class="sourceLineNo">387</span> * Gets the region dir of the mob files.<a name="line.387"></a> -<span class="sourceLineNo">388</span> * It's {HBASE_DIR}/mobdir/{namespace}/{tableName}/{regionEncodedName}.<a name="line.388"></a> -<span class="sourceLineNo">389</span> * @param conf The current configuration.<a name="line.389"></a> -<span class="sourceLineNo">390</span> * @param tableName The current table name.<a name="line.390"></a> -<span class="sourceLineNo">391</span> * @return The region dir of the mob files.<a name="line.391"></a> -<span class="sourceLineNo">392</span> */<a name="line.392"></a> -<span class="sourceLineNo">393</span> public static Path getMobRegionPath(Configuration conf, TableName tableName) {<a name="line.393"></a> -<span class="sourceLineNo">394</span> Path tablePath = FSUtils.getTableDir(getMobHome(conf), tableName);<a name="line.394"></a> -<span class="sourceLineNo">395</span> RegionInfo regionInfo = getMobRegionInfo(tableName);<a name="line.395"></a> -<span class="sourceLineNo">396</span> return new Path(tablePath, regionInfo.getEncodedName());<a name="line.396"></a> -<span class="sourceLineNo">397</span> }<a name="line.397"></a> -<span class="sourceLineNo">398</span><a name="line.398"></a> -<span class="sourceLineNo">399</span> /**<a name="line.399"></a> -<span class="sourceLineNo">400</span> * Gets the family dir of the mob files.<a name="line.400"></a> -<span class="sourceLineNo">401</span> * It's {HBASE_DIR}/mobdir/{namespace}/{tableName}/{regionEncodedName}/{columnFamilyName}.<a name="line.401"></a> -<span class="sourceLineNo">402</span> * @param conf The current configuration.<a name="line.402"></a> -<span class="sourceLineNo">403</span> * @param tableName The current table name.<a name="line.403"></a> -<span class="sourceLineNo">404</span> * @param familyName The current family name.<a name="line.404"></a> -<span class="sourceLineNo">405</span> * @return The family dir of the mob files.<a name="line.405"></a> -<span class="sourceLineNo">406</span> */<a name="line.406"></a> -<span class="sourceLineNo">407</span> public static Path getMobFamilyPath(Configuration conf, TableName tableName, String familyName) {<a name="line.407"></a> -<span class="sourceLineNo">408</span> return new Path(getMobRegionPath(conf, tableName), familyName);<a name="line.408"></a> -<span class="sourceLineNo">409</span> }<a name="line.409"></a> -<span class="sourceLineNo">410</span><a name="line.410"></a> -<span class="sourceLineNo">411</span> /**<a name="line.411"></a> -<span class="sourceLineNo">412</span> * Gets the family dir of the mob files.<a name="line.412"></a> -<span class="sourceLineNo">413</span> * It's {HBASE_DIR}/mobdir/{namespace}/{tableName}/{regionEncodedName}/{columnFamilyName}.<a name="line.413"></a> -<span class="sourceLineNo">414</span> * @param regionPath The path of mob region which is a dummy one.<a name="line.414"></a> -<span class="sourceLineNo">415</span> * @param familyName The current family name.<a name="line.415"></a> -<span class="sourceLineNo">416</span> * @return The family dir of the mob files.<a name="line.416"></a> -<span class="sourceLineNo">417</span> */<a name="line.417"></a> -<span class="sourceLineNo">418</span> public static Path getMobFamilyPath(Path regionPath, String familyName) {<a name="line.418"></a> -<span class="sourceLineNo">419</span> return new Path(regionPath, familyName);<a name="line.419"></a> -<span class="sourceLineNo">420</span> }<a name="line.420"></a> -<span class="sourceLineNo">421</span><a name="line.421"></a> -<span class="sourceLineNo">422</span> /**<a name="line.422"></a> -<span class="sourceLineNo">423</span> * Gets the RegionInfo of the mob files.<a name="line.423"></a> -<span class="sourceLineNo">424</span> * This is a dummy region. The mob files are not saved in a region in HBase.<a name="line.424"></a> -<span class="sourceLineNo">425</span> * This is only used in mob snapshot. It's internally used only.<a name="line.425"></a> -<span class="sourceLineNo">426</span> * @param tableName<a name="line.426"></a> -<span class="sourceLineNo">427</span> * @return A dummy mob region info.<a name="line.427"></a> -<span class="sourceLineNo">428</span> */<a name="line.428"></a> -<span class="sourceLineNo">429</span> public static RegionInfo getMobRegionInfo(TableName tableName) {<a name="line.429"></a> -<span class="sourceLineNo">430</span> return RegionInfoBuilder.newBuilder(tableName)<a name="line.430"></a> -<span class="sourceLineNo">431</span> .setStartKey(MobConstants.MOB_REGION_NAME_BYTES)<a name="line.431"></a> -<span class="sourceLineNo">432</span> .setEndKey(HConstants.EMPTY_END_ROW)<a name="line.432"></a> -<span class="sourceLineNo">433</span> .setSplit(false)<a name="line.433"></a> -<span class="sourceLineNo">434</span> .setRegionId(0)<a name="line.434"></a> -<span class="sourceLineNo">435</span> .build();<a name="line.435"></a> -<span class="sourceLineNo">436</span> }<a name="line.436"></a> -<span class="sourceLineNo">437</span><a name="line.437"></a> -<span class="sourceLineNo">438</span> /**<a name="line.438"></a> -<span class="sourceLineNo">439</span> * Gets whether the current RegionInfo is a mob one.<a name="line.439"></a> -<span class="sourceLineNo">440</span> * @param regionInfo The current RegionInfo.<a name="line.440"></a> -<span class="sourceLineNo">441</span> * @return If true, the current RegionInfo is a mob one.<a name="line.441"></a> -<span class="sourceLineNo">442</span> */<a name="line.442"></a> -<span class="sourceLineNo">443</span> public static boolean isMobRegionInfo(RegionInfo regionInfo) {<a name="line.443"></a> -<span class="sourceLineNo">444</span> return regionInfo == null ? false : getMobRegionInfo(regionInfo.getTable()).getEncodedName()<a name="line.444"></a> -<span class="sourceLineNo">445</span> .equals(regionInfo.getEncodedName());<a name="line.445"></a> -<span class="sourceLineNo">446</span> }<a name="line.446"></a> -<span class="sourceLineNo">447</span><a name="line.447"></a> -<span class="sourceLineNo">448</span> /**<a name="line.448"></a> -<span class="sourceLineNo">449</span> * Gets whether the current region name follows the pattern of a mob region name.<a name="line.449"></a> -<span class="sourceLineNo">450</span> * @param tableName The current table name.<a name="line.450"></a> -<span class="sourceLineNo">451</span> * @param regionName The current region name.<a name="line.451"></a> -<span class="sourceLineNo">452</span> * @return True if the current region name follows the pattern of a mob region name.<a name="line.452"></a> -<span class="sourceLineNo">453</span> */<a name="line.453"></a> -<span class="sourceLineNo">454</span> public static boolean isMobRegionName(TableName tableName, byte[] regionName) {<a name="line.454"></a> -<span class="sourceLineNo">455</span> return Bytes.equals(regionName, getMobRegionInfo(tableName).getRegionName());<a name="line.455"></a> -<span class="sourceLineNo">456</span> }<a name="line.456"></a> -<span class="sourceLineNo">457</span><a name="line.457"></a> -<span class="sourceLineNo">458</span> /**<a name="line.458"></a> -<span class="sourceLineNo">459</span> * Gets the working directory of the mob compaction.<a name="line.459"></a> -<span class="sourceLineNo">460</span> * @param root The root directory of the mob compaction.<a name="line.460"></a> -<span class="sourceLineNo">461</span> * @param jobName The current job name.<a name="line.461"></a> -<span class="sourceLineNo">462</span> * @return The directory of the mob compaction for the current job.<a name="line.462"></a> -<span class="sourceLineNo">463</span> */<a name="line.463"></a> -<span class="sourceLineNo">464</span> public static Path getCompactionWorkingPath(Path root, String jobName) {<a name="line.464"></a> -<span class="sourceLineNo">465</span> return new Path(root, jobName);<a name="line.465"></a> -<span class="sourceLineNo">466</span> }<a name="line.466"></a> -<span class="sourceLineNo">467</span><a name="line.467"></a> -<span class="sourceLineNo">468</span> /**<a name="line.468"></a> -<span class="sourceLineNo">469</span> * Archives the mob files.<a name="line.469"></a> -<span class="sourceLineNo">470</span> * @param conf The current configuration.<a name="line.470"></a> -<span class="sourceLineNo">471</span> * @param fs The current file system.<a name="line.471"></a> -<span class="sourceLineNo">472</span> * @param tableName The table name.<a name="line.472"></a> -<span class="sourceLineNo">473</span> * @param tableDir The table directory.<a name="line.473"></a> -<span class="sourceLineNo">474</span> * @param family The name of the column family.<a name="line.474"></a> -<span class="sourceLineNo">475</span> * @param storeFiles The files to be deleted.<a name="line.475"></a> -<span class="sourceLineNo">476</span> * @throws IOException<a name="line.476"></a> -<span class="sourceLineNo">477</span> */<a name="line.477"></a> -<span class="sourceLineNo">478</span> public static void removeMobFiles(Configuration conf, FileSystem fs, TableName tableName,<a name="line.478"></a> -<span class="sourceLineNo">479</span> Path tableDir, byte[] family, Collection<HStoreFile> storeFiles) throws IOException {<a name="line.479"></a> -<span class="sourceLineNo">480</span> HFileArchiver.archiveStoreFiles(conf, fs, getMobRegionInfo(tableName), tableDir, family,<a name="line.480"></a> -<span class="sourceLineNo">481</span> storeFiles);<a name="line.481"></a> -<span class="sourceLineNo">482</span> }<a name="line.482"></a> -<span class="sourceLineNo">483</span><a name="line.483"></a> -<span class="sourceLineNo">484</span> /**<a name="line.484"></a> -<span class="sourceLineNo">485</span> * Creates a mob reference KeyValue.<a name="line.485"></a> -<span class="sourceLineNo">486</span> * The value of the mob reference KeyValue is mobCellValueSize + mobFileName.<a name="line.486"></a> -<span class="sourceLineNo">487</span> * @param cell The original Cell.<a name="line.487"></a> -<span class="sourceLineNo">488</span> * @param fileName The mob file name where the mob reference KeyValue is written.<a name="line.488"></a> -<span class="sourceLineNo">489</span> * @param tableNameTag The tag of the current table name. It's very important in<a name="line.489"></a> -<span class="sourceLineNo">490</span> * cloning the snapshot.<a name="line.490"></a> -<span class="sourceLineNo">491</span> * @return The mob reference KeyValue.<a name="line.491"></a> -<span class="sourceLineNo">492</span> */<a name="line.492"></a> -<span class="sourceLineNo">493</span> public static Cell createMobRefCell(Cell cell, byte[] fileName, Tag tableNameTag) {<a name="line.493"></a> -<span class="sourceLineNo">494</span> // Append the tags to the KeyValue.<a name="line.494"></a> -<span class="sourceLineNo">495</span> // The key is same, the value is the filename of the mob file<a name="line.495"></a> -<span class="sourceLineNo">496</span> List<Tag> tags = new ArrayList<>();<a name="line.496"></a> -<span class="sourceLineNo">497</span> // Add the ref tag as the 1st one.<a name="line.497"></a> -<span class="sourceLineNo">498</span> tags.add(MobConstants.MOB_REF_TAG);<a name="line.498"></a> -<span class="sourceLineNo">499</span> // Add the tag of the source table name, this table is where this mob file is flushed<a name="line.499"></a> -<span class="sourceLineNo">500</span> // from.<a name="line.500"></a> -<span class="sourceLineNo">501</span> // It's very useful in cloning the snapshot. When reading from the cloning table, we need to<a name="line.501"></a> -<span class="sourceLineNo">502</span> // find the original mob files by this table name. For details please see cloning<a name="line.502"></a> -<span class="sourceLineNo">503</span> // snapshot for mob files.<a name="line.503"></a> -<span class="sourceLineNo">504</span> tags.add(tableNameTag);<a name="line.504"></a> -<span class="sourceLineNo">505</span> return createMobRefCell(cell, fileName, TagUtil.fromList(tags));<a name="line.505"></a> -<span class="sourceLineNo">506</span> }<a name="line.506"></a> -<span class="sourceLineNo">507</span><a name="line.507"></a> -<span class="sourceLineNo">508</span> public static Cell createMobRefCell(Cell cell, byte[] fileName, byte[] refCellTags) {<a name="line.508"></a> -<span class="sourceLineNo">509</span> byte[] refValue = Bytes.add(Bytes.toBytes(cell.getValueLength()), fileName);<a name="line.509"></a> -<span class="sourceLineNo">510</span> return PrivateCellUtil.createCell(cell, refValue, TagUtil.concatTags(refCellTags, cell));<a name="line.510"></a> -<span class="sourceLineNo">511</span> }<a name="line.511"></a> -<span class="sourceLineNo">512</span><a name="line.512"></a> -<span class="sourceLineNo">513</span> /**<a name="line.513"></a> -<span class="sourceLineNo">514</span> * Creates a writer for the mob file in temp directory.<a name="line.514"></a> -<span class="sourceLineNo">515</span> * @param conf The current configuration.<a name="line.515"></a> -<span class="sourceLineNo">516</span> * @param fs The current file system.<a name="line.516"></a> -<span class="sourceLineNo">517</span> * @param family The descriptor of the current column family.<a name="line.517"></a> -<span class="sourceLineNo">518</span> * @param date The date string, its format is yyyymmmdd.<a name="line.518"></a> -<span class="sourceLineNo">519</span> * @param basePath The basic path for a temp directory.<a name="line.519"></a> -<span class="sourceLineNo">520</span> * @param maxKeyCount The key count.<a name="line.520"></a> -<span class="sourceLineNo">521</span> * @param compression The compression algorithm.<a name="line.521"></a> -<span class="sourceLineNo">522</span> * @param startKey The hex string of the start key.<a name="line.522"></a> -<span class="sourceLineNo">523</span> * @param cacheConfig The current cache config.<a name="line.523"></a> -<span class="sourceLineNo">524</span> * @param cryptoContext The encryption context.<a name="line.524"></a> -<span class="sourceLineNo">525</span> * @param isCompaction If the writer is used in compaction.<a name="line.525"></a> -<span class="sourceLineNo">526</span> * @return The writer for the mob file.<a name="line.526"></a> -<span class="sourceLineNo">527</span> * @throws IOException<a name="line.527"></a> -<span class="sourceLineNo">528</span> */<a name="line.528"></a> -<span class="sourceLineNo">529</span> public static StoreFileWriter createWriter(Configuration conf, FileSystem fs,<a name="line.529"></a> -<span class="sourceLineNo">530</span> ColumnFamilyDescriptor family, String date, Path basePath, long maxKeyCount,<a name="line.530"></a> -<span class="sourceLineNo">531</span> Compression.Algorithm compression, String startKey, CacheConfig cacheConfig,<a name="line.531"></a> -<span class="sourceLineNo">532</span> Encryption.Context cryptoContext, boolean isCompaction)<a name="line.532"></a> -<span class="sourceLineNo">533</span> throws IOException {<a name="line.533"></a> -<span class="sourceLineNo">534</span> MobFileName mobFileName = MobFileName.create(startKey, date,<a name="line.534"></a> -<span class="sourceLineNo">535</span> UUID.randomUUID().toString().replaceAll("-", ""));<a name="line.535"></a> -<span class="sourceLineNo">536</span> return createWriter(conf, fs, family, mobFileName, basePath, maxKeyCount, compression,<a name="line.536"></a> -<span class="sourceLineNo">537</span> cacheConfig, cryptoContext, isCompaction);<a name="line.537"></a> +<span class="sourceLineNo">379</span> public static Path getMobHome(Path rootDir) {<a name="line.379"></a> +<span class="sourceLineNo">380</span> return new Path(rootDir, MobConstants.MOB_DIR_NAME);<a name="line.380"></a> +<span class="sourceLineNo">381</span> }<a name="line.381"></a> +<span class="sourceLineNo">382</span><a name="line.382"></a> +<span class="sourceLineNo">383</span> /**<a name="line.383"></a> +<span class="sourceLineNo">384</span> * Gets the qualified root dir of the mob files.<a name="line.384"></a> +<span class="sourceLineNo">385</span> * @param conf The current configuration.<a name="line.385"></a> +<span class="sourceLineNo">386</span> * @return The qualified root dir.<a name="line.386"></a> +<span class="sourceLineNo">387</span> * @throws IOException<a name="line.387"></a> +<span class="sourceLineNo">388</span> */<a name="line.388"></a> +<span class="sourceLineNo">389</span> public static Path getQualifiedMobRootDir(Configuration conf) throws IOException {<a name="line.389"></a> +<span class="sourceLineNo">390</span> Path hbaseDir = new Path(conf.get(HConstants.HBASE_DIR));<a name="line.390"></a> +<span class="sourceLineNo">391</span> Path mobRootDir = new Path(hbaseDir, MobConstants.MOB_DIR_NAME);<a name="line.391"></a> +<span class="sourceLineNo">392</span> FileSystem fs = mobRootDir.getFileSystem(conf);<a name="line.392"></a> +<span class="sourceLineNo">393</span> return mobRootDir.makeQualified(fs.getUri(), fs.getWorkingDirectory());<a name="line.393"></a> +<span class="sourceLineNo">394</span> }<a name="line.394"></a> +<span class="sourceLineNo">395</span><a name="line.395"></a> +<span class="sourceLineNo">396</span> /**<a name="line.396"></a> +<span class="sourceLineNo">397</span> * Gets the table dir of the mob files under the qualified HBase root dir.<a name="line.397"></a> +<span class="sourceLineNo">398</span> * It's {rootDir}/mobdir/data/${namespace}/${tableName}<a name="line.398"></a> +<span class="sourceLineNo">399</span> * @param rootDir The qualified path of HBase root directory.<a name="line.399"></a> +<span class="sourceLineNo">400</span> * @param tableName The name of table.<a name="line.400"></a> +<span class="sourceLineNo">401</span> * @return The table dir of the mob file.<a name="line.401"></a> +<span class="sourceLineNo">402</span> */<a name="line.402"></a> +<span class="sourceLineNo">403</span> public static Path getMobTableDir(Path rootDir, TableName tableName) {<a name="line.403"></a> +<span class="sourceLineNo">404</span> return FSUtils.getTableDir(getMobHome(rootDir), tableName);<a name="line.404"></a> +<span class="sourceLineNo">405</span> }<a name="line.405"></a> +<span class="sourceLineNo">406</span><a name="line.406"></a> +<span class="sourceLineNo">407</span> /**<a name="line.407"></a> +<span class="sourceLineNo">408</span> * Gets the region dir of the mob files.<a name="line.408"></a> +<span class="sourceLineNo">409</span> * It's {HBASE_DIR}/mobdir/data/{namespace}/{tableName}/{regionEncodedName}.<a name="line.409"></a> +<span class="sourceLineNo">410</span> * @param conf The current configuration.<a name="line.410"></a> +<span class="sourceLineNo">411</span> * @param tableName The current table name.<a name="line.411"></a> +<span class="sourceLineNo">412</span> * @return The region dir of the mob files.<a name="line.412"></a> +<span class="sourceLineNo">413</span> */<a name="line.413"></a> +<span class="sourceLineNo">414</span> public static Path getMobRegionPath(Configuration conf, TableName tableName) {<a name="line.414"></a> +<span class="sourceLineNo">415</span> return getMobRegionPath(new Path(conf.get(HConstants.HBASE_DIR)), tableName);<a name="line.415"></a> +<span class="sourceLineNo">416</span> }<a name="line.416"></a> +<span class="sourceLineNo">417</span><a name="line.417"></a> +<span class="sourceLineNo">418</span> /**<a name="line.418"></a> +<span class="sourceLineNo">419</span> * Gets the region dir of the mob files under the specified root dir.<a name="line.419"></a> +<span class="sourceLineNo">420</span> * It's {rootDir}/mobdir/data/{namespace}/{tableName}/{regionEncodedName}.<a name="line.420"></a> +<span class="sourceLineNo">421</span> * @param rootDir The qualified path of HBase root directory.<a name="line.421"></a> +<span class="sourceLineNo">422</span> * @param tableName The current table name.<a name="line.422"></a> +<span class="sourceLineNo">423</span> * @return The region dir of the mob files.<a name="line.423"></a> +<span class="sourceLineNo">424</span> */<a name="line.424"></a> +<span class="sourceLineNo">425</span> public static Path getMobRegionPath(Path rootDir, TableName tableName) {<a name="line.425"></a> +<span class="sourceLineNo">426</span> Path tablePath = FSUtils.getTableDir(getMobHome(rootDir), tableName);<a name="line.426"></a> +<span class="sourceLineNo">427</span> RegionInfo regionInfo = getMobRegionInfo(tableName);<a name="line.427"></a> +<span class="sourceLineNo">428</span> return new Path(tablePath, regionInfo.getEncodedName());<a name="line.428"></a> +<span class="sourceLineNo">429</span> }<a name="line.429"></a> +<span class="sourceLineNo">430</span><a name="line.430"></a> +<span class="sourceLineNo">431</span> /**<a name="line.431"></a> +<span class="sourceLineNo">432</span> * Gets the family dir of the mob files.<a name="line.432"></a> +<span class="sourceLineNo">433</span> * It's {HBASE_DIR}/mobdir/{namespace}/{tableName}/{regionEncodedName}/{columnFamilyName}.<a name="line.433"></a> +<span class="sourceLineNo">434</span> * @param conf The current configuration.<a name="line.434"></a> +<span class="sourceLineNo">435</span> * @param tableName The current table name.<a name="line.435"></a> +<span class="sourceLineNo">436</span> * @param familyName The current family name.<a name="line.436"></a> +<span class="sourceLineNo">437</span> * @return The family dir of the mob files.<a name="line.437"></a> +<span class="sourceLineNo">438</span> */<a name="line.438"></a> +<span class="sourceLineNo">439</span> public static Path getMobFamilyPath(Configuration conf, TableName tableName, String familyName) {<a name="line.439"></a> +<span class="sourceLineNo">440</span> return new Path(getMobRegionPath(conf, tableName), familyName);<a name="line.440"></a> +<span class="sourceLineNo">441</span> }<a name="line.441"></a> +<span class="sourceLineNo">442</span><a name="line.442"></a> +<span class="sourceLineNo">443</span> /**<a name="line.443"></a> +<span class="sourceLineNo">444</span> * Gets the family dir of the mob files.<a name="line.444"></a> +<span class="sourceLineNo">445</span> * It's {HBASE_DIR}/mobdir/{namespace}/{tableName}/{regionEncodedName}/{columnFamilyName}.<a name="line.445"></a> +<span class="sourceLineNo">446</span> * @param regionPath The path of mob region which is a dummy one.<a name="line.446"></a> +<span class="sourceLineNo">447</span> * @param familyName The current family name.<a name="line.447"></a> +<span class="sourceLineNo">448</span> * @return The family dir of the mob files.<a name="line.448"></a> +<span class="sourceLineNo">449</span> */<a name="line.449"></a> +<span class="sourceLineNo">450</span> public static Path getMobFamilyPath(Path regionPath, String familyName) {<a name="line.450"></a> +<span class="sourceLineNo">451</span> return new Path(regionPath, familyName);<a name="line.451"></a> +<span class="sourceLineNo">452</span> }<a name="line.452"></a> +<span class="sourceLineNo">453</span><a name="line.453"></a> +<span class="sourceLineNo">454</span> /**<a name="line.454"></a> +<span class="sourceLineNo">455</span> * Gets the RegionInfo of the mob files.<a name="line.455"></a> +<span class="sourceLineNo">456</span> * This is a dummy region. The mob files are not saved in a region in HBase.<a name="line.456"></a> +<span class="sourceLineNo">457</span> * This is only used in mob snapshot. It's internally used only.<a name="line.457"></a> +<span class="sourceLineNo">458</span> * @param tableName<a name="line.458"></a> +<span class="sourceLineNo">459</span> * @return A dummy mob region info.<a name="line.459"></a> +<span class="sourceLineNo">460</span> */<a name="line.460"></a> +<span class="sourceLineNo">461</span> public static RegionInfo getMobRegionInfo(TableName tableName) {<a name="line.461"></a> +<span class="sourceLineNo">462</span> return RegionInfoBuilder.newBuilder(tableName)<a name="line.462"></a> +<span class="sourceLineNo">463</span> .setStartKey(MobConstants.MOB_REGION_NAME_BYTES)<a name="line.463"></a> +<span class="sourceLineNo">464</span> .setEndKey(HConstants.EMPTY_END_ROW)<a name="line.464"></a> +<span class="sourceLineNo">465</span> .setSplit(false)<a name="line.465"></a> +<span class="sourceLineNo">466</span> .setRegionId(0)<a name="line.466"></a> +<span class="sourceLineNo">467</span> .build();<a name="line.467"></a> +<span class="sourceLineNo">468</span> }<a name="line.468"></a> +<span class="sourceLineNo">469</span><a name="line.469"></a> +<span class="sourceLineNo">470</span> /**<a name="line.470"></a> +<span class="sourceLineNo">471</span> * Gets whether the current RegionInfo is a mob one.<a name="line.471"></a> +<span class="sourceLineNo">472</span> * @param regionInfo The current RegionInfo.<a name="line.472"></a> +<span class="sourceLineNo">473</span> * @return If true, the current RegionInfo is a mob one.<a name="line.473"></a> +<span class="sourceLineNo">474</span> */<a name="line.474"></a> +<span class="sourceLineNo">475</span> public static boolean isMobRegionInfo(RegionInfo regionInfo) {<a name="line.475"></a> +<span class="sourceLineNo">476</span> return regionInfo == null ? false : getMobRegionInfo(regionInfo.getTable()).getEncodedName()<a name="line.476"></a> +<span class="sourceLineNo">477</span> .equals(regionInfo.getEncodedName());<a name="line.477"></a> +<span class="sourceLineNo">478</span> }<a name="line.478"></a> +<span class="sourceLineNo">479</span><a name="line.479"></a> +<span class="sourceLineNo">480</span> /**<a name="line.480"></a> +<span class="sourceLineNo">481</span> * Gets whether the current region name follows the pattern of a mob region name.<a name="line.481"></a> +<span class="sourceLineNo">482</span> * @param tableName The current table name.<a name="line.482"></a> +<span class="sourceLineNo">483</span> * @param regionName The current region name.<a name="line.483"></a> +<span class="sourceLineNo">484</span> * @return True if the current region name follows the pattern of a mob region name.<a name="line.484"></a> +<span class="sourceLineNo">485</span> */<a name="line.485"></a> +<span class="sourceLineNo">486</span> public static boolean isMobRegionName(TableName tableName, byte[] regionName) {<a name="line.486"></a> +<span class="sourceLineNo">487</span> return Bytes.equals(regionName, getMobRegionInfo(tableName).getRegionName());<a name="line.487"></a> +<span class="sourceLineNo">488</span> }<a name="line.488"></a> +<span class="sourceLineNo">489</span><a name="line.489"></a> +<span class="sourceLineNo">490</span> /**<a name="line.490"></a> +<span class="sourceLineNo">491</span> * Gets the working directory of the mob compaction.<a name="line.491"></a> +<span class="sourceLineNo">492</span> * @param root The root directory of the mob compaction.<a name="line.492"></a> +<span class="sourceLineNo">493</span> * @param jobName The current job name.<a name="line.493"></a> +<span class="sourceLineNo">494</span> * @return The directory of the mob compaction for the current job.<a name="line.494"></a> +<span class="sourceLineNo">495</span> */<a name="line.495"></a> +<span class="sourceLineNo">496</span> public static Path getCompactionWorkingPath(Path root, String jobName) {<a name="line.496"></a> +<span class="sourceLineNo">497</span> return new Path(root, jobName);<a name="line.497"></a> +<span class="sourceLineNo">498</span> }<a name="line.498"></a> +<span class="sourceLineNo">499</span><a name="line.499"></a> +<span class="sourceLineNo">500</span> /**<a name="line.500"></a> +<span class="sourceLineNo">501</span> * Archives the mob files.<a name="line.501"></a> +<span class="sourceLineNo">502</span> * @param conf The current configuration.<a name="line.502"></a> +<span class="sourceLineNo">503</span> * @param fs The current file system.<a name="line.503"></a> +<span class="sourceLineNo">504</span> * @param tableName The table name.<a name="line.504"></a> +<span class="sourceLineNo">505</span> * @param tableDir The table directory.<a name="line.505"></a> +<span class="sourceLineNo">506</span> * @param family The name of the column family.<a name="line.506"></a> +<span class="sourceLineNo">507</span> * @param storeFiles The files to be deleted.<a name="line.507"></a> +<span class="sourceLineNo">508</span> * @throws IOException<a name="line.508"></a> +<span class="sourceLineNo">509</span> */<a name="line.509"></a> +<span class="sourceLineNo">510</span> public static void removeMobFiles(Configuration conf, FileSystem fs, TableName tableName,<a name="line.510"></a> +<span class="sourceLineNo">511</span> Path tableDir, byte[] family, Collection<HStoreFile> storeFiles) throws IOException {<a name="line.511"></a> +<span class="sourceLineNo">512</span> HFileArchiver.archiveStoreFiles(conf, fs, getMobRegionInfo(tableName), tableDir, family,<a name="line.512"></a> +<span class="sourceLineNo">513</span> storeFiles);<a name="line.513"></a> +<span class="sourceLineNo">514</span> }<a name="line.514"></a> +<span class="sourceLineNo">515</span><a name="line.515"></a> +<span class="sourceLineNo">516</span> /**<a name="line.516"></a> +<span class="sourceLineNo">517</span> * Creates a mob reference KeyValue.<a name="line.517"></a> +<span class="sourceLineNo">518</span> * The value of the mob reference KeyValue is mobCellValueSize + mobFileName.<a name="line.518"></a> +<span class="sourceLineNo">519</span> * @param cell The original Cell.<a name="line.519"></a> +<span class="sourceLineNo">520</span> * @param fileName The mob file name where the mob reference KeyValue is written.<a name="line.520"></a> +<span class="sourceLineNo">521</span> * @param tableNameTag The tag of the current table name. It's very important in<a name="line.521"></a> +<span class="sourceLineNo">522</span> * cloning the snapshot.<a name="line.522"></a> +<span class="sourceLineNo">523</span> * @return The mob reference KeyValue.<a name="line.523"></a> +<span class="sourceLineNo">524</span> */<a name="line.524"></a> +<span class="sourceLineNo">525</span> public static Cell createMobRefCell(Cell cell, byte[] fileName, Tag tableNameTag) {<a name="line.525"></a> +<span class="sourceLineNo">526</span> // Append the tags to the KeyValue.<a name="line.526"></a> +<span class="sourceLineNo">527</span> // The key is same, the value is the filename of the mob file<a name="line.527"></a> +<span class="sourceLineNo">528</span> List<Tag> tags = new ArrayList<>();<a name="line.528"></a> +<span class="sourceLineNo">529</span> // Add the ref tag as the 1st one.<a name="line.529"></a> +<span class="sourceLineNo">530</span> tags.add(MobConstants.MOB_REF_TAG);<a name="line.530"></a> +<span class="sourceLineNo">531</span> // Add the tag of the source table name, this table is where this mob file is flushed<a name="line.531"></a> +<span class="sourceLineNo">532</span> // from.<a name="line.532"></a> +<span class="sourceLineNo">533</span> // It's very useful in cloning the snapshot. When reading from the cloning table, we need to<a name="line.533"></a> +<span class="sourceLineNo">534</span> // find the original mob files by this table name. For details please see cloning<a name="line.534"></a> +<span class="sourceLineNo">535</span> // snapshot for mob files.<a name="line.535"></a> +<span class="sourceLineNo">536</span> tags.add(tableNameTag);<a name="line.536"></a> +<span class="sourceLineNo">537</span> return createMobRefCell(cell, fileName, TagUtil.fromList(tags));<a name="line.537"></a> <span class="sourceLineNo">538</span> }<a name="line.538"></a> <span class="sourceLineNo">539</span><a name="line.539"></a> -<span class="sourceLineNo">540</span> /**<a name="line.540"></a> -<span class="sourceLineNo">541</span> * Creates a writer for the ref file in temp directory.<a name="line.541"></a> -<span class="sourceLineNo">542</span> * @param conf The current configuration.<a name="line.542"></a> -<span class="sourceLineNo">543</span> * @param fs The current file system.<a name="line.543"></a> -<span class="sourceLineNo">544</span> * @param family The descriptor of the current column family.<a name="line.544"></a> -<span class="sourceLineNo">545</span> * @param basePath The basic path for a temp directory.<a name="line.545"></a> -<span class="sourceLineNo">546</span> * @param maxKeyCount The key count.<a name="line.546"></a> -<span class="sourceLineNo">547</span> * @param cacheConfig The current cache config.<a name="line.547"></a> -<span class="sourceLineNo">548</span> * @param cryptoContext The encryption context.<a name="line.548"></a> -<span class="sourceLineNo">549</span> * @param isCompaction If the writer is used in compaction.<a name="line.549"></a> -<span class="sourceLineNo">550</span> * @return The writer for the mob file.<a name="line.550"></a> -<span class="sourceLineNo">551</span> * @throws IOException<a name="line.551"></a> -<span class="sourceLineNo">552</span> */<a name="line.552"></a> -<span class="sourceLineNo">553</span> public static StoreFileWriter createRefFileWriter(Configuration conf, FileSystem fs,<a name="line.553"></a> -<span class="sourceLineNo">554</span> ColumnFamilyDescriptor family, Path basePath, long maxKeyCount, CacheConfig cacheConfig,<a name="line.554"></a> -<span class="sourceLineNo">555</span> Encryption.Context cryptoContext, boolean isCompaction)<a name="line.555"></a> -<span class="sourceLineNo">556</span> throws IOException {<a name="line.556"></a> -<span class="sourceLineNo">557</span> return createWriter(conf, fs, family,<a name="line.557"></a> -<span class="sourceLineNo">558</span> new Path(basePath, UUID.randomUUID().toString().replaceAll("-", "")), maxKeyCount,<a name="line.558"></a> -<span class="sourceLineNo">559</span> family.getCompactionCompressionType(), cacheConfig, cryptoContext,<a name="line.559"></a> -<span class="sourceLineNo">560</span> HStore.getChecksumType(conf), HStore.getBytesPerChecksum(conf), family.getBlocksize(),<a name="line.560"></a> -<span class="sourceLineNo">561</span> family.getBloomFilterType(), isCompaction);<a name="line.561"></a> -<span class="sourceLineNo">562</span> }<a name="line.562"></a> -<span class="sourceLineNo">563</span><a name="line.563"></a> -<span class="sourceLineNo">564</span> /**<a name="line.564"></a> -<span class="sourceLineNo">565</span> * Creates a writer for the mob file in temp directory.<a name="line.565"></a> -<span class="sourceLineNo">566</span> * @param conf The current configuration.<a name="line.566"></a> -<span class="sourceLineNo">567</span> * @param fs The current file system.<a name="line.567"></a> -<span class="sourceLineNo">568</span> * @param family The descriptor of the current column family.<a name="line.568"></a> -<span class="sourceLineNo">569</span> * @param date The date string, its format is yyyymmmdd.<a name="line.569"></a> -<span class="sourceLineNo">570</span> * @param basePath The basic path for a temp directory.<a name="line.570"></a> -<span class="sourceLineNo">571</span> * @param maxKeyCount The key count.<a name="line.571"></a> -<span class="sourceLineNo">572</span> * @param compression The compression algorithm.<a name="line.572"></a> -<span class="sourceLineNo">573</span> * @param startKey The start key.<a name="line.573"></a> -<span class="sourceLineNo">574</span> * @param cacheConfig The current cache config.<a name="line.574"></a> -<span class="sourceLineNo">575</span> * @param cryptoContext The encryption context.<a name="line.575"></a> -<span class="sourceLineNo">576</span> * @param isCompaction If the writer is used in compaction.<a name="line.576"></a> -<span class="sourceLineNo">577</span> * @return The writer for the mob file.<a name="line.577"></a> -<span class="sourceLineNo">578</span> * @throws IOException<a name="line.578"></a> -<span class="sourceLineNo">579</span> */<a name="line.579"></a> -<span class="sourceLineNo">580</span> public static StoreFileWriter createWriter(Configuration conf, FileSystem fs,<a name="line.580"></a> -<span class="sourceLineNo">581</span> ColumnFamilyDescriptor family, String date, Path basePath, long maxKeyCount,<a name="line.581"></a> -<span class="sourceLineNo">582</span> Compression.Algorithm compression, byte[] startKey, CacheConfig cacheConfig,<a name="line.582"></a> -<span class="sourceLineNo">583</span> Encryption.Context cryptoContext, boolean isCompaction)<a name="line.583"></a> -<span class="sourceLineNo">584</span> throws IOException {<a name="line.584"></a> -<span class="sourceLineNo">585</span> MobFileName mobFileName = MobFileName.create(startKey, date,<a name="line.585"></a> -<span class="sourceLineNo">586</span> UUID.randomUUID().toString().replaceAll("-", ""));<a name="line.586"></a> -<span class="sourceLineNo">587</span> return createWriter(conf, fs, family, mobFileName, basePath, maxKeyCount, compression,<a name="line.587"></a> -<span class="sourceLineNo">588</span> cacheConfig, cryptoContext, isCompaction);<a name="line.588"></a> -<span class="sourceLineNo">589</span> }<a name="line.589"></a> -<span class="sourceLineNo">590</span><a name="line.590"></a> -<span class="sourceLineNo">591</span> /**<a name="line.591"></a> -<span class="sourceLineNo">592</span> * Creates a writer for the del file in temp directory.<a name="line.592"></a> -<span class="sourceLineNo">593</span> * @param conf The current configuration.<a name="line.593"></a> -<span class="sourceLineNo">594</span> * @param fs The current file system.<a name="line.594"></a> -<span class="sourceLineNo">595</span> * @param family The descriptor of the current column family.<a name="line.595"></a> -<span class="sourceLineNo">596</span> * @param date The date string, its format is yyyymmmdd.<a name="line.596"></a> -<span class="sourceLineNo">597</span> * @param basePath The basic path for a temp directory.<a name="line.597"></a> -<span class="sourceLineNo">598</span> * @param maxKeyCount The key count.<a name="line.598"></a> -<span class="sourceLineNo">599</span> * @param compression The compression algorithm.<a name="line.599"></a> -<span class="sourceLineNo">600</span> * @param startKey The start key.<a name="line.600"></a> -<span class="sourceLineNo">601</span> * @param cacheConfig The current cache config.<a name="line.601"></a> -<span class="sourceLineNo">602</span> * @param cryptoContext The encryption context.<a name="line.602"></a> -<span class="sourceLineNo">603</span> * @return The writer for the del file.<a name="line.603"></a> -<span class="sourceLineNo">604</span> * @throws IOException<a name="line.604"></a> -<span class="sourceLineNo">605</span> */<a name="line.605"></a> -<span class="sourceLineNo">606</span> public static StoreFileWriter createDelFileWriter(Configuration conf, FileSystem fs,<a name="line.606"></a> -<span class="sourceLineNo">607</span> ColumnFamilyDescriptor family, String date, Path basePath, long maxKeyCount,<a name="line.607"></a> -<span class="sourceLineNo">608</span> Compression.Algorithm compression, byte[] startKey, CacheConfig cacheConfig,<a name="line.608"></a> -<span class="sourceLineNo">609</span> Encryption.Context cryptoContext)<a name="line.609"></a> -<span class="sourceLineNo">610</span> throws IOException {<a name="line.610"></a> -<span class="sourceLineNo">611</span> String suffix = UUID<a name="line.611"></a> -<span class="sourceLineNo">612</span> .randomUUID().toString().replaceAll("-", "") + "_del";<a name="line.612"></a> -<span class="sourceLineNo">613</span> MobFileName mobFileName = MobFileName.create(startKey, date, suffix);<a name="line.613"></a> -<span class="sourceLineNo">614</span> return createWriter(conf, fs, family, mobFileName, basePath, maxKeyCount, compression,<a name="line.614"></a> -<span class="sourceLineNo">615</span> cacheConfig, cryptoContext, true);<a name="line.615"></a> -<span class="sourceLineNo">616</span> }<a name="line.616"></a> -<span class="sourceLineNo">617</span><a name="line.617"></a> -<span class="sourceLineNo">618</span> /**<a name="line.618"></a> -<span class="sourceLineNo">619</span> * Creates a writer for the mob file in temp directory.<a name="line.619"></a> -<span class="sourceLineNo">620</span> * @param conf The current configuration.<a name="line.620"></a> -<span class="sourceLineNo">621</span> * @param fs The current file system.<a name="line.621"></a> -<span class="sourceLineNo">622</span> * @param family The descriptor of the current column family.<a name="line.622"></a> -<span class="sourceLineNo">623</span> * @param mobFileName The mob file name.<a name="line.623"></a> -<span class="sourceLineNo">624</span> * @param basePath The basic path for a temp directory.<a name="line.624"></a> -<span class="sourceLineNo">625</span> * @param maxKeyCount The key count.<a name="line.625"></a> -<span class="sourceLineNo">626</span> * @param compression The compression algorithm.<a name="line.626"></a> -<span class="sourceLineNo">627</span> * @param cacheConfig The current cache config.<a name="line.627"></a> -<span class="sourceLineNo">628</span> * @param cryptoContext The encryption context.<a name="line.628"></a> -<span class="sourceLineNo">629</span> * @param isCompaction If the writer is used in compaction.<a name="line.629"></a> -<span class="sourceLineNo">630</span> * @return The writer for the mob file.<a name="line.630"></a> -<span class="sourceLineNo">631</span> * @throws IOException<a name="line.631"></a> -<span class="sourceLineNo">632</span> */<a name="line.632"></a> -<span class="sourceLineNo">633</span> public static StoreFileWriter createWriter(Configuration conf, FileSystem fs,<a name="line.633"></a> -<span class="sourceLineNo">634</span> ColumnFamilyDescriptor family, MobFileName mobFileName, Path basePath, long maxKeyCount,<a name="line.634"></a> -<span class="sourceLineNo">635</span> Compression.Algorithm compression, CacheConfig cacheConfig, Encryption.Context cryptoContext,<a name="line.635"></a> -<span class="sourceLineNo">636</span> boolean isCompaction)<a name="line.636"></a> -<span class="sourceLineNo">637</span> throws IOException {<a name="line.637"></a> -<span class="sourceLineNo">638</span> return createWriter(conf, fs, family,<a name="line.638"></a> -<span class="sourceLineNo">639</span> new Path(basePath, mobFileName.getFileName()), maxKeyCount, compression, cacheConfig,<a name="line.639"></a> -<span class="sourceLineNo">640</span> cryptoContext, HStore.getChecksumType(conf), HStore.getBytesPerChecksum(conf),<a name="line.640"></a> -<span class="sourceLineNo">641</span> family.getBlocksize(), BloomType.NONE, isCompaction);<a name="line.641"></a> -<span class="sourceLineNo">642</span> }<a name="line.642"></a> -<span class="sourceLineNo">643</span><a name="line.643"></a> -<span class="sourceLineNo">644</span> /**<a name="line.644"></a> -<span class="sourceLineNo">645</span> * Creates a writer for the mob file in temp directory.<a name="line.645"></a> -<span class="sourceLineNo">646</span> * @param conf The current configuration.<a name="line.646"></a> -<span class="sourceLineNo">647</span> * @param fs The current file system.<a name="line.647"></a> -<span class="sourceLineNo">648</span> * @param family The descriptor of the current column family.<a name="line.648"></a> -<span class="sourceLineNo">649</span> * @param path The path for a temp directory.<a name="line.649"></a> -<span class="sourceLineNo">650</span> * @param maxKeyCount The key count.<a name="line.650"></a> -<span class="sourceLineNo">651</span> * @param compression The compression algorithm.<a name="line.651"></a> -<span class="sourceLineNo">652</span> * @param cacheConfig The current cache config.<a name="line.652"></a> -<span class="sourceLineNo">653</span> * @param cryptoContext The encryption context.<a name="line.653"></a> -<span class="sourceLineNo">654</span> * @param checksumType The checksum type.<a name="line.654"></a> -<span class="sourceLineNo">655</span> * @param bytesPerChecksum The bytes per checksum.<a name="line.655"></a> -<span class="sourceLineNo">656</span> * @param blocksize The HFile block size.<a name="line.656"></a> -<span class="sourceLineNo">657</span> * @param bloomType The bloom filter type.<a name="line.657"></a> -<span class="sourceLineNo">658</span> * @param isCompaction If the writer is used in compaction.<a name="line.658"></a> -<span class="sourceLineNo">659</span> * @return The writer for the mob file.<a name="line.659"></a> -<span class="sourceLineNo">660</span> * @throws IOException<a name="line.660"></a> -<span class="sourceLineNo">661</span> */<a name="line.661"></a> -<span class="sourceLineNo">662</span> public static StoreFileWriter createWriter(Configuration conf, FileSystem fs,<a name="line.662"></a> -<span class="sourceLineNo">663</span> ColumnFamilyDescriptor family, Path path, long maxKeyCount,<a name="line.663"></a> -<span class="sourceLineNo">664</span> Compression.Algorithm compression, CacheConfig cacheConfig, Encryption.Context cryptoContext,<a name="line.664"></a> -<span class="sourceLineNo">665</span> ChecksumType checksumType, int bytesPerChecksum, int blocksize, BloomType bloomType,<a name="line.665"></a> -<span class="sourceLineNo">666</span> boolean isCompaction)<a name="line.666"></a> -<span class="sourceLineNo">667</span> throws IOException {<a name="line.667"></a> -<span class="sourceLineNo">668</span> if (compression == null) {<a name="line.668"></a> -<span class="sourceLineNo">669</span> compression = HFile.DEFAULT_COMPRESSION_ALGORITHM;<a name="line.669"></a> -<span class="sourceLineNo">670</span> }<a name="line.670"></a> -<span class="sourceLineNo">671</span> final CacheConfig writerCacheConf;<a name="line.671"></a> -<span class="sourceLineNo">672</span> if (isCompaction) {<a name="line.672"></a> -<span class="sourceLineNo">673</span> writerCacheConf = new CacheConfig(cacheConfig);<a name="line.673"></a> -<span class="sourceLineNo">674</span> writerCacheConf.setCacheDataOnWrite(false);<a name="line.674"></a> -<span class="sourceLineNo">675</span> } else {<a name="line.675"></a> -<span class="sourceLineNo">676</span> writerCacheConf = cacheConfig;<a name="line.676"></a> -<span class="sourceLineNo">677</span> }<a name="line.677"></a> -<span class="sourceLineNo">678</span> HFileContext hFileContext = new HFileContextBuilder().withCompression(compression)<a name="line.678"></a> -<span class="sourceLineNo">679</span> .withIncludesMvcc(true).withIncludesTags(true)<a name="line.679"></a> -<span class="sourceLineNo">680</span> .withCompressTags(family.isCompressTags())<a name="line.680"></a> -<span class="sourceLineNo">681</span> .withChecksumType(checksumType)<a name="line.681"></a> -<span class="sourceLineNo">682</span> .withBytesPerCheckSum(bytesPerChecksum)<a name="line.682"></a> -<span class="sourceLineNo">683</span> .withBlockSize(blocksize)<a name="line.683"></a> -<span class="sourceLineNo">684</span> .withHBaseCheckSum(true).withDataBlockEncoding(family.getDataBlockEncoding())<a name="line.684"></a> -<span class="sourceLineNo">685</span> .withEncryptionContext(cryptoContext)<a name="line.685"></a> -<span class="sourceLineNo">686</span> .withCreateTime(EnvironmentEdgeManager.currentTime()).build();<a name="line.686"></a> -<span class="sourceLineNo">687</span><a name="line.687"></a> -<span class="sourceLineNo">688</span> StoreFileWriter w = new StoreFileWriter.Builder(conf, writerCacheConf, fs)<a name="line.688"></a> -<span class="sourceLineNo">689</span> .withFilePath(path)<a name="line.689"></a> -<span class="sourceLineNo">690</span> .withComparator(CellComparator.getInstance()).withBloomType(bloomType)<a name="line.690"></a> -<span class="sourceLineNo">691</span> .withMaxKeyCount(maxKeyCount).withFileContext(hFileContext).build();<a name="line.691"></a> -<span class="sourceLineNo">692</span> return w;<a name="line.692"></a> -<span class="sourceLineNo">693</span> }<a name="line.693"></a> -<span class="sourceLineNo">694</span><a name="line.694"></a> -<span class="sourceLineNo">695</span> /**<a name="line.695"></a> -<span class="sourceLineNo">696</span> * Commits the mob file.<a name="line.696"></a> -<span class="sourceLineNo">697</span> * @param conf The current configuration.<a name="line.697"></a> -<span class="sourceLineNo">698</span> * @param fs The current file system.<a name="line.698"></a> -<span class="sourceLineNo">699</span> * @param sourceFile The path where the mob file is saved.<a name="line.699"></a> -<span class="sourceLineNo">700</span> * @param targetPath The directory path where the source file is renamed to.<a name="line.700"></a> -<span class="sourceLineNo">701</span> * @param cacheConfig The current cache config.<a name="line.701"></a> -<span class="sourceLineNo">702</span> * @return The target file path the source file is renamed to.<a name="line.702"></a> -<span class="sourceLineNo">703</span> * @throws IOException<a name="line.703"></a> -<span class="sourceLineNo">704</span> */<a name="line.704"></a> -<span class="sourceLineNo">705</span> public static Path commitFile(Configuration conf, FileSystem fs, final Path sourceFile,<a name="line.705"></a> -<span class="sourceLineNo">706</span> Path targetPath, CacheConfig cacheConfig) throws IOException {<a name="line.706"></a> -<span class="sourceLineNo">707</span> if (sourceFile == null) {<a name="line.707"></a> -<span class="sourceLineNo">708</span> return null;<a name="line.708"></a> +<span class="sourceLineNo">540</span> public static Cell createMobRefCell(Cell cell, byte[] fileName, byte[] refCellTags) {<a name="line.540"></a> +<span class="sourceLineNo">541</span> byte[] refValue = Bytes.add(Bytes.toBytes(cell.getValueLength()), fileName);<a name="line.541"></a> +<span class="sourceLineNo">542</span> return PrivateCellUtil.createCell(cell, refValue, TagUtil.concatTags(refCellTags, cell));<a name="line.542"></a> +<span class="sourceLineNo">543</span> }<a name="line.543"></a> +<span class="sourceLineNo">544</span><a name="line.544"></a> +<span class="sourceLineNo">545</span> /**<a name="line.545"></a> +<span class="sourceLineNo">546</span> * Creates a writer for the mob file in temp directory.<a name="line.546"></a> +<span class="sourceLineNo">547</span> * @param conf The current configuration.<a name="line.547"></a> +<span class="sourceLineNo">548</span> * @param fs The current file system.<a name="line.548"></a> +<span class="sourceLineNo">549</span> * @param family The descriptor of the current column family.<a name="line.549"></a> +<span class="sourceLineNo">550</span> * @param date The date string, its format is yyyymmmdd.<a name="line.550"></a> +<span class="sourceLineNo">551</span> * @param basePath The basic path for a temp directory.<a name="line.551"></a> +<span class="sourceLineNo">552</span> * @param maxKeyCount The key count.<a name="line.552"></a> +<span class="sourceLineNo">553</span> * @param compression The compression algorithm.<a name="line.553"></a> +<span class="sourceLineNo">554</span> * @param startKey The hex string of the start key.<a name="line.554"></a> +<span class="sourceLineNo">555</span> * @param cacheConfig The current cache config.<a name="line.555"></a> +<span class="sourceLineNo">556</span> * @param cryptoContext The encryption context.<a name="line.556"></a> +<span class="sourceLineNo">557</span> * @param isCompaction If the writer is used in compaction.<a name="line.557"></a> +<span class="sourceLineNo">558</span> * @return The writer for the mob file.<a name="line.558"></a> +<span class="sourceLineNo">559</span> * @throws IOException<a name="line.559"></a> +<span class="sourceLineNo">560</span> */<a name="line.560"></a> +<span class="sourceLineNo">561</span> public static StoreFileWriter createWriter(Configuration conf, FileSystem fs,<a name="line.561"></a> +<span class="sourceLineNo">562</span> ColumnFamilyDescriptor family, String date, Path basePath, long maxKeyCount,<a name="line.562"></a> +<span class="sourceLineNo">563</span> Compression.Algorithm compression, String startKey, CacheConfig cacheConfig,<a name="line.563"></a> +<span class="sourceLineNo">564</span> Encryption.Context cryptoContext, boolean isCompaction)<a name="line.564"></a> +<span class="sourceLineNo">565</span> throws IOException {<a name="line.565"></a> +<span class="sourceLineNo">566</span> MobFileName mobFileName = MobFileName.create(startKey, date,<a name="line.566"></a> +<span class="sourceLineNo">567</span> UUID.randomUUID().toString().replaceAll("-", ""));<a name="line.567"></a> +<span class="sourceLineNo">568</span> return createWriter(conf, fs, family, mobFileName, basePath, maxKeyCount, compression,<a name="line.568"></a> +<span class="sourceLineNo">569</span> cacheConfig, cryptoContext, isCompaction);<a name="line.569"></a> +<span class="sourceLineNo">570</span> }<a name="line.570"></a> +<span class="sourceLineNo">571</span><a name="line.571"></a> +<span class="sourceLineNo">572</span> /**<a name="line.572"></a> +<span class="sourceLineNo">573</span> * Creates a writer for the ref file in temp directory.<a name="line.573"></a> +<span class="sourceLineNo">574</span> * @param conf The current configuration.<a name="line.574"></a> +<span class="sourceLineNo">575</span> * @param fs The current file system.<a name="line.575"></a> +<span class="sourceLineNo">576</span> * @param family The descriptor of the current column family.<a name="line.576"></a> +<span class="sourceLineNo">577</span> * @param basePath The basic path for a temp directory.<a name="line.577"></a> +<span class="sourceLineNo">578</span> * @param maxKeyCount The key count.<a name="line.578"></a> +<span class="sourceLineNo">579</span> * @param cacheConfig The current cache config.<a name="line.579"></a> +<span class="sourceLineNo">580</span> * @param cryptoContext The encryption context.<a name="line.580"></a> +<span class="sourceLineNo">581</span> * @param isCompaction If the writer is used in compaction.<a name="line.581"></a> +<span class="sourceLineNo">582</span> * @return The writer for the mob file.<a name="line.582"></a> +<span class="sourceLineNo">583</span> * @throws IOException<a name="line.583"></a> +<span class="sourceLineNo">584</span> */<a name="line.584"></a> +<span class="sourceLineNo">585</span> public static StoreFileWriter createRefFileWriter(Configuration conf, FileSystem fs,<a name="line.585"></a> +<span class="sourceLineNo">586</span> ColumnFamilyDescriptor family, Path basePath, long maxKeyCount, CacheConfig cacheConfig,<a name="line.586"></a> +<span class="sourceLineNo">587</span> Encryption.Context cryptoContext, boolean isCompaction)<a name="line.587"></a> +<span class="sourceLineNo">588</span> throws IOException {<a name="line.588"></a> +<span class="sourceLineNo">589</span> return createWriter(conf, fs, family,<a name="line.589"></a> +<span class="sourceLineNo">590</span> new Path(basePath, UUID.randomUUID().toString().replaceAll("-", "")), maxKeyCount,<a name="line.590"></a> +<span class="sourceLineNo">591</span> family.getCompactionCompressionType(), cacheConfig, cryptoContext,<a name="line.591"></a> +<span class="sourceLineNo">592</span> HStore.getChecksumType(conf), HStore.getBytesPerChecksum(conf), family.getBlocksize(),<a name="line.592"></a> +<span class="sourceLineNo">593</span> family.getBloomFilterType(), isCompaction);<a name="line.593"></a> +<span class="sourceLineNo">594</span> }<a name="line.594"></a> +<span class="sourceLineNo">595</span><a name="line.595"></a> +<span class="sourceLineNo">596</span> /**<a name="line.596"></a> +<span class="sourceLineNo">597</span> * Creates a writer for the mob file in temp directory.<a name="line.597"></a> +<span class="sourceLineNo">598</span> * @param conf The current configuration.<a name="line.598"></a> +<span class="sourceLineNo">599</span> * @param fs The current file system.<a name="line.599"></a> +<span class="sourceLineNo">600</span> * @param family The descriptor of the current column family.<a name="line.600"></a> +<span class="sourceLineNo">601</span> * @param date The date string, its format is yyyymmmdd.<a name="line.601"></a> +<span class="sourceLineNo">602</span> * @param basePath The basic path for a temp directory.<a name="line.602"></a> +<span class="sourceLineNo">603</span> * @param maxKeyCount The key count.<a name="line.603"></a> +<span class="sourceLineNo">604</span> * @param compression The compression algorithm.<a name="line.604"></a> +<span class="sourceLineNo">605</span> * @param startKey The start key.<a name="line.605"></a> +<span class="sourceLineNo">606</span> * @param cacheConfig The current cache config.<a name="line.606"></a> +<span class="sourceLineNo">607</span> * @param cryptoContext The encryption context.<a name="line.607"></a> +<span class="sourceLineNo">608</span> * @param isCompaction If the writer is used in compaction.<a name="line.608"></a> +<span class="sourceLineNo">609</span> * @return The writer for the mob file.<a name="line.609"></a> +<span class="sourceLineNo">610</span> * @throws IOException<a name="line.610"></a> +<span class="sourceLineNo">611</span> */<a name="line.611"></a> +<span class="sourceLineNo">612</span> public static StoreFileWriter createWriter(Configuration conf, FileSystem fs,<a name="line.612"></a> +<span class="sourceLineNo">613</span> ColumnFamilyDescriptor family, String date, Path basePath, long maxKeyCount,<a name="line.613"></a> +<span class="sourceLineNo">614</span> Compression.Algorithm compression, byte[] startKey, CacheConfig cacheConfig,<a name="line.614"></a> +<span class="sourceLineNo">615</span> Encryption.Context cryptoContext, boolean isCompaction)<a name="line.615"></a> +<span class="sourceLineNo">616</span> throws IOException {<a name="line.616"></a> +<span class="sourceLineNo">617</span> MobFileName mobFileName = MobFileName.create(startKey, date,<a name="line.617"></a> +<span class="sourceLineNo">618</span> UUID.randomUUID().toString().replaceAll("-", ""));<a name="line.618"></a> +<span class="sourceLineNo">619</span> return createWriter(conf, fs, family, mobFileName, basePath, maxKeyCount, compression,<a name="line.619"></a> +<span class="sourceLineNo">620</span> cacheConfig, cryptoContext, isCompaction);<a name="line.620"></a> +<span class="sourceLineNo">621</span> }<a name="line.621"></a> +<span class="sourceLineNo">622</span><a name="line.622"></a> +<span class="sourceLineNo">623</span> /**<a name="line.623"></a> +<span class="sourceLineNo">624</span> * Creates a writer for the del file in temp directory.<a name="line.624"></a> +<span class="sourceLineNo">625</span> * @param conf The current configuration.<a name="line.625"></a> +<span class="sourceLineNo">626</span> * @param fs The current file system.<a name="line.626"></a> +<span class="sourceLineNo">627</span> * @param family The descriptor of the current column family.<a name="line.627"></a> +<span class="sourceLineNo">628</span> * @param date The date string, its format is yyyymmmdd.<a name="line.628"></a> +<span class="sourceLineNo">629</span> * @param basePath The basic path for a temp directory.<a name="line.629"></a> +<span class="sourceLineNo">630</span> * @param maxKeyCount The key count.<a name="line.630"></a> +<span class="sourceLineNo">631</span> * @param compression The compression algorithm.<a name="line.631"></a> +<span class="sourceLineNo">632</span> * @param startKey The start key.<a name="line.632"></a> +<span class="sourceLineNo">633</span> * @param cacheConfig The current cache config.<a name="line.633"></a> +<span class="sourceLineNo">634</span> * @param cryptoContext The encryption context.<a name="line.634"></a> +<span class="sourceLineNo">635</span> * @return The writer for the del file.<a name="line.635"></a> +<span class="sourceLineNo">636</span> * @throws IOException<a name="line.636"></a> +<span class="sourceLineNo">637</span> */<a name="line.637"></a> +<span class="sourceLineNo">638</span> public static StoreFileWriter createDelFileWriter(Configuration conf, FileSystem fs,<a name="line.638"></a> +<span class="sourceLineNo">639</span> ColumnFamilyDescriptor family, String date, Path basePath, long maxKeyCount,<a name="line.639"></a> +<span class="sourceLineNo">640</span> Compression.Algorithm compression, byte[] startKey, CacheConfig cacheConfig,<a name="line.640"></a> +<span class="sourceLineNo">641</span> Encryption.Context cryptoContext)<a name="line.641"></a> +<span class="sourceLineNo">642</span> throws IOException {<a name="line.642"></a> +<span class="sourceLineNo">643</span> String suffix = UUID<a name="line.643"></a> +<span class="sourceLineNo">644</span> .randomUUID().toString().replaceAll("-", "") + "_del";<a name="line.644"></a> +<span class="sourceLineNo">645</span> MobFileName mobFileName = MobFileName.create(startKey, date, suffix);<a name="line.645"></a> +<span class="sourceLineNo">646</span> return createWriter(conf, fs, family, mobFileName, basePath, maxKeyCount, compression,<a name="line.646"></a> +<span class="sourceLineNo">647</span> cacheConfig, cryptoContext, true);<a name="line.647"></a> +<span class="sourceLineNo">648</span> }<a name="line.648"></a> +<span class="sourceLineNo">649</span><a name="line.649"></a> +<span class="sourceLineNo">650</span> /**<a name="line.650"></a> +<span class="sourceLineNo">651</span> * Creates a writer for the mob file in temp directory.<a name="line.651"></a> +<span class="sourceLineNo">652</span> * @param conf The current configuration.<a name="line.652"></a> +<span class="sourceLineNo">653</span> * @param fs The current file system.<a name="line.653"></a> +<span class="sourceLineNo">654</span> * @param family The descriptor of the current column family.<a name="line.654"></a> +<span class="sourceLineNo">655</span> * @param mobFileName The mob file name.<a name="line.655"></a> +<span class="sourceLineNo">656</span> * @param basePath The basic path for a temp directory.<a name="line.656"></a> +<span class="sourceLineNo">657</span> * @param maxKeyCount The key count.<a name="line.657"></a> +<span class="sourceLineNo">658</span> * @param compression The compression algorithm.<a name="line.658"></a> +<span class="sourceLineNo">659</span> * @param cacheConfig The current cache config.<a name="line.659"></a> +<span class="sourceLineNo">660</span> * @param cryptoContext The encryption context.<a name="line.660"></a> +<span class="sourceLineNo">661</span> * @param isCompaction If the writer is used in compaction.<a name="line.661"></a> +<span class="sourceLineNo">662</span> * @return The writer for the mob file.<a name="line.662"></a> +<span class="sourceLineNo">663</span> * @throws IOException<a name="line.663"></a> +<span class="sourceLineNo">664</span> */<a name="line.664"></a> +<span class="sourceLineNo">665</span> public static StoreFileWriter createWriter(Configuration conf, FileSystem fs,<a name="line.665"></a> +<span class="sourceLineNo">666</span> ColumnFamilyDescriptor family, MobFileName mobFileName, Path basePath, long maxKeyCount,<a name="line.666"></a> +<span class="sourceLineNo">667</span> Compression.Algorithm compression, CacheConfig cacheConfig, Encryption.Context cryptoContext,<a name="line.667"></a> +<span class="sourceLineNo">668</span> boolean isCompaction)<a name="line.668"></a> +<span class="sourceLineNo">669</span> throws IOException {<a name="line.669"></a> +<span class="sourceLineNo">670</span> return createWriter(conf, fs, family,<a name="line.670"></a> +<span class="sourceLineNo">671</span> new Path(basePath, mobFileName.getFileName()), maxKeyCount, compression, cacheConfig,<a name="line.671"></a> +<span class="sourceLineNo">672</span> cryptoContext, HStore.getChecksumType(conf), HStore.getBytesPerChecksum(conf),<a name="line.672"></a> +<span class="sourceLineNo">673</span> family.getBlocksize(), BloomType.NONE, isCompaction);<a name="line.673"></a> +<span class="sourceLineNo">674</span> }<a name="line.674"></a> +<span class="sourceLineNo">675</span><a name="line.675"></a> +<span class="sourceLineNo">676</span> /**<a name="line.676"></a> +<span class="sourceLineNo">677</span> * Creates a writer for the mob file in temp directory.<a name="line.677"></a> +<span class="sourceLineNo">678</span> * @param conf The current configuration.<a name="line.678"></a> +<span class="sourceLineNo">679</span> * @param fs The current file system.<a name="line.679"></a> +<span class="sourceLineNo">680</span> * @param family The descriptor of the current column family.<a name="line.680"></a> +<span class="sourceLineNo">681</span> * @param path The path for a temp directory.<a name="line.681"></a> +<span class="sourceLineNo">682</span> * @param maxKeyCount The key count.<a name="line.682"></a> +<span class="sourceLineNo">683</span> * @param compression The compression algorithm.<a name="line.683"></a> +<span class="sourceLineNo">684</span> * @param cacheConfig The current cache config.<a name="line.684"></a> +<span class="sourceLineNo">685</span> * @param cryptoContext The encryption context.<a name="line.685"></a> +<span class="sourceLineNo">686</span> * @param checksumType The checksum type.<a name="line.686"></a> +<span class="sourceLineNo">687</span> * @param bytesPerChecksum The bytes per checksum.<a name="line.687"></a> +<span class="sourceLineNo">688</span> * @param blocksize The HFile block size.<a name="line.688"></a> +<span class="sourceLineNo">689</span> * @param bloomType The bloom filter type.<a name="line.689"></a> +<span class="sourceLineNo">690</span> * @param isCompaction If the writer is used in compaction.<a name="line.690"></a> +<span class="sourceLineNo">691</span> * @return The writer for the mob file.<a name="line.691"></a> +<span class="sourceLineNo">692</span> * @throws IOException<a name="line.692"></a> +<span class="sourceLineNo">693</span> */<a name="line.693"></a> +<span class="sourceLineNo">694</span> public static StoreFileWriter createWriter(Configuration conf, FileSystem fs,<a name="line.694"></a> +<span class="sourceLineNo">695</span> ColumnFamilyDescriptor family, Path path, long maxKeyCount,<a name="line.695"></a> +<span class="sourceLineNo">696</span> Compression.Algorithm compression, CacheConfig cacheConfig, Encryption.Context cryptoContext,<a name="line.696"></a> +<span class="sourceLineNo">697</span> ChecksumType checksumType, int bytesPerChecksum, int blocksize, BloomType bloomType,<a name="line.697"></a> +<span class="sourceLineNo">698</span> boolean isCompaction)<a name="line.698"></a> +<span class="sourceLineNo">699</span> throws IOException {<a name="line.699"></a> +<span class="sourceLineNo">700</span> if (compression == null) {<a name="line.700"></a> +<span class="sourceLineNo">701</span> compression = HFile.DEFAULT_COMPRESSION_ALGORITHM;<a name="line.701"></a> +<span class="sourceLineNo">702</span> }<a name="line.702"></a> +<span class="sourceLineNo">703</span> final CacheConfig writerCacheConf;<a name="line.703"></a> +<span class="sourceLineNo">704</span> if (isCompaction) {<a name="line.704"></a> +<span class="sourceLineNo">705</span> writerCacheConf = new CacheConfig(cacheConfig);<a name="line.705"></a> +<span class="sourceLineNo">706</span> writerCacheConf.setCacheDataOnWrite(false);<a name="line.706"></a> +<span class="sourceLineNo">707</span> } else {<a name="line.707"></a> +<span class="sourceLineNo">708</span> writerCacheConf = cacheConfig;<a name="line.708"></a> <span class="sourceLineNo">709</span> }<a name="line.709"></a> -<span class="sourceLineNo">710</span> Path dstPath = new Path(targetPath, sourceFile.getName());<a name="line.710"></a> -<span class="sourceLineNo">711</span> validateMobFile(conf, fs, sourceFile, cacheConfig, true);<a name="line.711"></a> -<span class="sourceLineNo">712</span> String msg = "Renaming flushed file from " + sourceFile + " to " + dstPath;<a name="line.712"></a> -<span class="sourceLineNo">713</span> LOG.info(msg);<a name="line.713"></a> -<span class="sourceLineNo">714</span> Path parent = dstPath.getParent();<a name="line.714"></a> -<span class="sourceLineNo">715</span> if (!fs.exists(parent)) {<a name="line.715"></a> -<span class="sourceLineNo">716</span> fs.mkdirs(parent);<a name="line.716"></a> -<span class="sourceLineNo">717</span> }<a name="line.717"></a> -<span class="sourceLineNo">718</span> if (!fs.rename(sourceFile, dstPath)) {<a name="line.718"></a> -<span class="sourceLineNo">719</span> throw new IOException("Failed rename of " + sourceFile + " to " + dstPath);<a name="line.719"></a> -<span class="sourceLineNo">720</span> }<a name="line.720"></a> -<span class="sourceLineNo">721</span> return dstPath;<a name="line.721"></a> -<span class="sourceLineNo">722</span> }<a name="line.722"></a> -<span class="sourceLineNo">723</span><a name="line.723"></a> -<span class="sourceLineNo">724</span> /**<a name="line.724"></a> -<span class="sourceLineNo">725</span> * Validates a mob file by opening and closing it.<a name="line.725"></a> -<span class="sourceLineNo">726</span> * @param conf The current configuration.<a name="line.726"></a> -<span class="sourceLineNo">727</span> * @param fs The current file system.<a name="line.727"></a> -<span class="sourceLineNo">728</span> * @param path The path where the mob file is saved.<a name="line.728"></a> -<span class="sourceLineNo">729</span> * @param cacheConfig The current cache config.<a name="line.729"></a> -<span class="sourceLineNo">730</span> */<a name="line.730"></a> -<span class="sourceLineNo">731</span> private static void validateMobFile(Configuration conf, FileSystem fs, Path path,<a name="line.731"></a> -<span class="sourceLineNo">732</span> CacheConfig cacheConfig, boolean primaryReplica) throws IOException {<a name="line.732"></a> -<span class="sourceLineNo">733</span> HStoreFile storeFile = null;<a name="line.733"></a> -<span class="sourceLineNo">734</span> try {<a name="line.734"></a> -<span class="sourceLineNo">735</span> storeFile = new HStoreFile(fs, path, conf, cacheConfig, BloomType.NONE, primaryReplica);<a name="line.735"></a> -<span class="sourceLineNo">736</span> storeFile.initReader();<a name="line.736"></a> -<span class="sourceLineNo">737</span> } catch (IOException e) {<a name="line.737"></a> -<span class="sourceLineNo">738</span> LOG.error("Failed to open mob file[" + path + "], keep it in temp directory.", e);<a name="line.738"></a> -<span class="sourceLineNo">739</span> throw e;<a name="line.739"></a> -<span class="sourceLineNo">740</span> } finally {<a name="line.740"></a> -<span class="sourceLineNo">741</span> if (storeFile != null) {<a name="line.741"></a> -<span class="sourceLineNo">742</span> storeFile.closeStoreFile(false);<a name="line.742"></a> -<span class="sourceLineNo">743</span> }<a name="line.743"></a> -<span class="sourceLineNo">744</span> }<a name="line.744"></a> -<span class="sourceLineNo">745</span> }<a name="line.745"></a> -<span class="sourceLineNo">746</span><a name="line.746"></a> -<span class="sourceLineNo">747</span> /**<a name="line.747"></a> -<span class="sourceLineNo">748</span> * Indicates whether the current mob ref cell has a valid value.<a name="line.748"></a> -<span class="sourceLineNo">749</span> * A mob ref cell has a mob reference tag.<a name="line.749"></a> -<span class="sourceLineNo">750</span> * The value of a mob ref cell consists of two parts, real mob value length and mob file name.<a name="line.750"></a> -<span class="sourceLineNo">751</span> * The real mob value length takes 4 bytes.<a name="line.751"></a> -<span class="sourceLineNo">752</span> * The remaining part is the mob file name.<a name="line.752"></a> -<span class="sourceLineNo">753</span> * @param cell The mob ref cell.<a name="line.753"></a> -<span class="sourceLineNo">754</span> * @return True if the cell has a valid value.<a name="line.754"></a> -<span class="sourceLineNo">755</span> */<a name="line.755"></a> -<span class="sourceLineNo">756</span> public static boolean hasValidMobRefCellValue(Cell cell) {<a name="line.756"></a> -<span class="sourceLineNo">757</span> return cell.getValueLength() > Bytes.SIZEOF_INT;<a name="line.757"></a> -<span class="sourceLineNo">758</span> }<a name="line.758"></a> -<span class="sourceLineNo">759</span><a name="line.759"></a> -<span class="sourceLineNo">760</span> /**<a name="line.760"></a> -<span class="sourceLineNo">761</span> * Gets the mob value length from the mob ref cell.<a name="line.761"></a> -<span class="sourceLineNo">762</span> * A mob ref cell has a mob reference tag.<a name="line.762"></a> -<span class="sourceLineNo">763</span> * The value of a mob ref cell consists of two parts, real mob value length and mob file name.<a name="line.763"></a> -<span class="sourceLineNo">764</span> * The real mob value length takes 4 bytes.<a name="line.764"></a> -<span class="sourceLineNo">765</span> * The remaining part is the mob file name.<a name="line.765"></a> -<span class="sourceLineNo">766</span> * @param cell The mob ref cell.<a name="line.766"></a> -<span class="sourceLineNo">767</span> * @return The real mob value length.<a name="line.767"></a> -<span class="sourceLineNo">768</span> */<a name="line.768"></a> -<span class="sourceLineNo">769</span> public static int getMobValueLength(Cell cell) {<a name="line.769"></a> -<span class="sourceLineNo">770</span> return PrivateCellUtil.getValueAsInt(cell);<a name="line.770"></a> -<span class="sourceLineNo">771</span> }<a name="line.771"></a> -<span class="sourceLineNo">772</span><a name="line.772"></a> -<span class="sourceLineNo">773</span> /**<a name="line.773"></a> -<span class="sourceLineNo">774</span> * Gets the mob file name from the mob ref cell.<a name="line.774"></a> -<span class="sourceLineNo">775</span> * A mob ref cell has a mob reference tag.<a name="line.775"></a> -<span class="sourceLineNo">776</span> * The value of a mob ref cell consists of two parts, real mob value length and mob file name.<a name="line.776"></a> -<span class="sourceLineNo">777</span> * The real mob value length takes 4 bytes.<a name="line.777"></a> -<span class="sourceLineNo">778</span> * The remaining part is the mob file name.<a name="line.778"></a> -<span class="sourceLineNo">779</span> * @param cell The mob ref cell.<a name="line.779"></a> -<span class="sourceLineNo">780</span> * @return The mob file name.<a name="line.780"></a> -<span class="sourceLineNo">781</span> */<a name="line.781"></a> -<span class="sourceLineNo">782</span> public static String getMobFileName(Cell cell) {<a name="line.782"></a> -<span class="sourceLineNo">783</span> return Bytes.toString(cell.getValueArray(), cell.getValueOffset() + Bytes.SIZEOF_INT,<a name="line.783"></a> -<span class="sourceLineNo">784</span> cell.getValueLength() - Bytes.SIZEOF_INT);<a name="line.784"></a> -<span class="sourceLineNo">785</span> }<a name="line.785"></a> -<span class="sourceLineNo">786</span><a name="line.786"></a> -<span class="sourceLineNo">787</span> /**<a name="line.787"></a> -<span class="sourceLineNo">788</span> * Gets the table name used in the table lock.<a name="line.788"></a> -<span class="sourceLineNo">789</span> * The table lock name is a dummy one, it's not a table name. It's tableName + ".mobLock".<a name="line.789"></a> -<span class="sourceLineNo">790</span> * @param tn The table name.<a name="line.790"></a> -<span class="sourceLineNo">791</span> * @return The table name used in table lock.<a name="line.791"></a> -<span class="sourceLineNo">792</span> */<a name="line.792"></a> -<span class="sourceLineNo">793</span> public static TableName getTableLockName(TableName tn) {<a name="line.793"></a> -<span class="sourceLineNo">794</span> byte[] tableName = tn.getName();<a name="line.794"></a> -<span class="sourceLineNo">795</span> return TableName.valueOf(Bytes.add(tableName, MobConstants.MOB_TABLE_LOCK_SUFFIX));<a name="line.795"></a> -<span class="sourceLineNo">796</span> }<a name="line.796"></a> -<span class="sourceLineNo">797</span><a name="line.797"></a> -<span class="sourceLineNo">798</span> /**<a name="line.798"></a> -<span class="sourceLineNo">799</span> * Performs the mob compaction.<a name="line.799"></a> -<span class="sourceLineNo">800</span> * @param conf the Configuration<a name="line.800"></a> -<span class="sourceLineNo">801</span> * @param fs the file system<a name="line.801"></a> -<span class="sourceLineNo">802</span> * @param tableName the table the compact<a name="line.802"></a> -<span class="sourceLineNo">803</span> * @param hcd the column descriptor<a name="line.803"></a> -<span class="sourceLineNo">804</span> * @param pool the thread pool<a name="line.804"></a> -<span class="sourceLineNo">805</span> * @param allFiles Whether add all mob files into the compaction.<a name="line.805"></a> -<span class="sourceLineNo">806</span> */<a name="line.806"></a> -<span class="sourceLineNo">807</span> public static void doMobCompaction(Configuration conf, FileSystem fs, TableName tableName,<a name="line.807"></a> -<span class="sourceLineNo">808</span> ColumnFamilyDescriptor hcd, ExecutorService pool, boolean allFiles, LockManager.MasterLock lock)<a name="line.808"></a> -<span class="sourceLineNo">809</span> throws IOException {<a name="line.809"></a> -<span class="sourceLineNo">810</span> String className = conf.get(MobConstants.MOB_COMPACTOR_CLASS_KEY,<a name="line.810"></a> -<span class="sourceLineNo">811</span> PartitionedMobCompactor.class.getName());<a name="line.811"></a> -<span class="sourceLineNo">812</span> // instantiate the mob compactor.<a name="line.812"></a> -<span class="sourceLineNo">813</span> MobCompactor compactor = null;<a name="line.813"></a> -<span class="sourceLineNo">814</span> try {<a name="line.814"></a> -<span class="sourceLineNo">815</span> compactor = ReflectionUtils.instantiateWithCustomCtor(className, new Class[] {<a name="line.815"></a> -<span class="sourceLineNo">816</span> Configuration.class, FileSystem.class, TableName.class, ColumnFamilyDescriptor.class,<a name="line.816"></a> -<span class="sourceLineNo">817</span> ExecutorService.class }, new Object[] { conf, fs, tableName, hcd, pool });<a name="line.817"></a> -<span class="sourceLineNo">818</span> } catch (Exception e) {<a name="line.818"></a> -<span class="sourceLineNo">819</span> throw new IOException("Unable to load configured mob file compactor '" + className + "'", e);<a name="line.819"></a> -<span class="sourceLineNo">820</span> }<a name="line.820"></a> -<span class="sourceLineNo">821</span> // compact only for mob-enabled column.<a name="line.821"></a> -<span class="sourceLineNo">822</span> // obtain a write table lock before performing compaction to avoid race condition<a name="line.822"></a> -<span class="sourceLineNo">823</span> // with major compaction in mob-enabled column.<a name="line.823"></a> -<span class="sourceLineNo">824</span> try {<a name="line.824"></a> -<span class="sourceLineNo">825</span> lock.acquire();<a name="line.825"></a> -<span class="sourceLineNo">826</span> compactor.compact(allFiles);<a name="line.826"></a> -<span class="sourceLineNo">827</span> } catch (Exception e) {<a name="line.827"></a> -<span class="sourceLineNo">828</span> LOG.error("Failed to compact the mob files for the column " + hcd.getNameAsString()<a name="line.828"></a> -<span class="sourceLineNo">829</span> + " in the table " + tableName.getNameAsString(), e);<a name="line.829"></a> -<span class="sourceLineNo">830</span> } finally {<a name="line.830"></a> -<span class="sourceLineNo">831</span> lock.release();<a name="line.831"></a> -<span class="sourceLineNo">832</span> }<a name="line.832"></a> -<span class="sourceLineNo">833</span> }<a name="line.833"></a> -<span class="sourceLineNo">834</span><a name="line.834"></a> -<span class="sourceLineNo">835</span> /**<a name="line.835"></a> -<span class="sourceLineNo">836</span> * Creates a thread pool.<a name="line.836"></a> -<span class="sourceLineNo">837</span> * @param conf the Configuration<a name="line.837"></a> -<span class="sourceLineNo">838</span> * @return A thread pool.<a name="line.838"></a> -<span class="sourceLineNo">839</span> */<a name="line.839"></a> -<span class="sourceLineNo">840</span> public static ExecutorService createMobCompactorThreadPool(Configuration conf) {<a name="line.840"></a> -<span class="sourceLineNo">841</span> int maxThreads = conf.getInt(MobConstants.MOB_COMPACTION_THREADS_MAX,<a name="line.841"></a> -<span class="sourceLineNo">842</span> MobConstants.DEFAULT_MOB_COMPACTION_THREADS_MAX);<a name="line.842"></a> -<span class="sourceLineNo">843</span> if (maxThreads == 0) {<a name="line.843"></a> -<span class="sourceLineNo">844</span> maxThreads = 1;<a name="line.844"></a> -<span class="sourceLineNo">845</span> }<a name="line.845"></a> -<span class="sourceLineNo">846</span> final SynchronousQueue<Runnable> queue = new SynchronousQueue<>();<a name="line.846"></a> -<span class="sourceLineNo">847</span> ThreadPoolExecutor pool = new ThreadPoolExecutor(1, maxThreads, 60, TimeUnit.SECONDS, queue,<a name="line.847"></a> -<span class="sourceLineNo">848</span> Threads.newDaemonThreadFactory("MobCompactor"), new RejectedExecutionHandler() {<a name="line.848"></a> -<span class="sourceLineNo">849</span> @Override<a name="line.849"></a> -<span class="sourceLineNo">850</span> public void rejectedExecution(Runnable r, ThreadPoolExecutor executor) {<a name="line.850"></a> -<span class="sourceLineNo">851</span> try {<a name="line.851"></a> -<span class="sourceLineNo">852</span> // waiting for a thread to pick up instead of throwing exceptions.<a name="line.852"></a> -<span class="sourceLineNo">853</span> queue.put(r);<a name="line.853"></a> -<span class="sourceLineNo">854</span> } catch (InterruptedException e) {<a name="line.854"></a> -<span class="sourceLineNo">855</span> throw new RejectedExecutionException(e);<a name="line.855"></a> -<span class="sourceLineNo">856</span> }<a name="line.856"></a> -<span class="sourceLineNo">857</span> }<a name="line.857"></a> -<span class="sourceLineNo">858</span> });<a name="line.858"></a> -<span class="sourceLineNo">859</span> ((ThreadPoolExecutor) pool).allowCoreThreadTimeOut(true);<a name="line.859"></a> -<span class="sourceLineNo">860</span> return pool;<a name="line.860"></a> -<span class="sourceLineNo">861</span> }<a name="line.861"></a> -<span class="sourceLineNo">862</span><a name="line.862"></a> -<span class="sourceLineNo">863</span> /**<a name="line.863"></a> -<span class="sourceLineNo">864</span> * Checks whether this table has mob-enabled columns.<a name="line.864"></a> -<span class="sourceLineNo">865</span> * @param htd The current table descriptor.<a name="line.865"></a> -<span class="sourceLineNo">866</span> * @return Whether this table has mob-enabled columns.<a name="line.866"></a> -<span class="sourceLineNo">867</span> */<a name="line.867"></a> -<span class="sourceLineNo">868</span> public static boolean hasMobColumns(TableDescriptor htd) {<a name="line.868"></a> -<span class="sourceLineNo">869</span> ColumnFamilyDescriptor[] hcds = htd.getColumnFamilies();<a name="line.869"></a> -<span class="sourceLineNo">870</span> for (ColumnFamilyDescriptor hcd : hcds) {<a name="line.870"></a> -<span class="sourceLineNo">871</span> if (hcd.isMobEnabled()) {<a name="line.871"></a> -<span class="sourceLineNo">872</span> return true;<a name="line.872"></a> -<span class="sourceLineNo">873</span> }<a name="line.873"></a> -<span class="sourceLineNo">874</span> }<a name="line.874"></a> -<span class="sourceLineNo">875</span> return false;<a name="line.875"></a> -<span class="sourceLineNo">876</span> }<a name="line.876"></a> -<span class="sourceLineNo">877</span><a name="line.877"></a> -<span class="sourceLineNo">878</span> /**<a name="line.878"></a> -<span class="sourceLineNo">879</span> * Indicates whether return null value when the mob file is missing or corrupt.<a name="line.879"></a> -<span class="sourceLineNo">880</span> * The information is set in the attribute "empty.value.on.mobcell.miss" of scan.<a name="line.880"></a> -<span class="sourceLineNo">881</span> * @param scan The current scan.<a name="line.881"></a> -<span class="sourceLineNo">882</span> * @return True if the readEmptyValueOnMobCellMiss is enabled.<a name="line.882"></a> -<span class="sourceLineNo">883</span> */<a name="line.883"></a> -<span class="sourceLineNo">884</span> public static boolean isReadEmptyValueOnMobCellMiss(Scan scan) {<a name="line.884"></a> -<span class="sourceLineNo">885</span> byte[] readEmptyValueOnMobCellMiss =<a name="line.885"></a> -<span class="sourceLineNo">886</span> scan.getAttribute(MobConstants.EMPTY_VALUE_ON_MOBCELL_MISS);<a name="line.886"></a>
<TRUNCATED>