http://git-wip-us.apache.org/repos/asf/hbase-site/blob/32d40534/devapidocs/src-html/org/apache/hadoop/hbase/wal/WALSplitter.EntryBuffers.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/wal/WALSplitter.EntryBuffers.html b/devapidocs/src-html/org/apache/hadoop/hbase/wal/WALSplitter.EntryBuffers.html index f3aed1b..0597160 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/wal/WALSplitter.EntryBuffers.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/wal/WALSplitter.EntryBuffers.html @@ -1513,810 +1513,816 @@ <span class="sourceLineNo">1505</span> if (maxSeqIdInStores == null || maxSeqIdInStores.isEmpty()) {<a name="line.1505"></a> <span class="sourceLineNo">1506</span> return;<a name="line.1506"></a> <span class="sourceLineNo">1507</span> }<a name="line.1507"></a> -<span class="sourceLineNo">1508</span> List<Cell> skippedCells = new ArrayList<Cell>();<a name="line.1508"></a> -<span class="sourceLineNo">1509</span> for (Cell cell : logEntry.getEdit().getCells()) {<a name="line.1509"></a> -<span class="sourceLineNo">1510</span> if (!CellUtil.matchingFamily(cell, WALEdit.METAFAMILY)) {<a name="line.1510"></a> -<span class="sourceLineNo">1511</span> byte[] family = CellUtil.cloneFamily(cell);<a name="line.1511"></a> -<span class="sourceLineNo">1512</span> Long maxSeqId = maxSeqIdInStores.get(family);<a name="line.1512"></a> -<span class="sourceLineNo">1513</span> // Do not skip cell even if maxSeqId is null. 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It's a limitation of distributedLogReplay. Because log replay needs a region is<a name="line.1653"></a> -<span class="sourceLineNo">1654</span> // assigned and online before it can replay wal edits while regions of disabling/disabled table<a name="line.1654"></a> -<span class="sourceLineNo">1655</span> // won't be assigned by AM. 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* Class that manages to replay edits from WAL files directly to assigned fail over region servers<a name="line.1634"></a> +<span class="sourceLineNo">1635</span> */<a name="line.1635"></a> +<span class="sourceLineNo">1636</span> class LogReplayOutputSink extends OutputSink {<a name="line.1636"></a> +<span class="sourceLineNo">1637</span> private static final double BUFFER_THRESHOLD = 0.35;<a name="line.1637"></a> +<span class="sourceLineNo">1638</span> private static final String KEY_DELIMITER = "#";<a name="line.1638"></a> +<span class="sourceLineNo">1639</span><a name="line.1639"></a> +<span class="sourceLineNo">1640</span> private long waitRegionOnlineTimeOut;<a name="line.1640"></a> +<span class="sourceLineNo">1641</span> private final Set<String> recoveredRegions = Collections.synchronizedSet(new HashSet<String>());<a name="line.1641"></a> +<span class="sourceLineNo">1642</span> private final Map<String, RegionServerWriter> writers =<a name="line.1642"></a> +<span 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<servername>:<table name> -> Queue<Row>}<a name="line.1652"></a> +<span class="sourceLineNo">1653</span> */<a name="line.1653"></a> +<span class="sourceLineNo">1654</span> private Map<String, List<Pair<HRegionLocation, Entry>>> serverToBufferQueueMap =<a name="line.1654"></a> +<span class="sourceLineNo">1655</span> new ConcurrentHashMap<String, List<Pair<HRegionLocation, Entry>>>();<a name="line.1655"></a> +<span class="sourceLineNo">1656</span> private List<Throwable> thrown = new ArrayList<Throwable>();<a name="line.1656"></a> +<span class="sourceLineNo">1657</span><a name="line.1657"></a> +<span class="sourceLineNo">1658</span> // The following sink is used in distrubitedLogReplay mode for entries of regions in a disabling<a name="line.1658"></a> +<span class="sourceLineNo">1659</span> // table. It's a limitation of distributedLogReplay. Because log replay needs a region is<a name="line.1659"></a> +<span class="sourceLineNo">1660</span> // assigned and online before it can replay wal edits while regions of disabling/disabled table<a name="line.1660"></a> +<span class="sourceLineNo">1661</span> // won't be assigned by AM. 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addToRecoveredRegions(Bytes.toString(buffer.encodedRegionName));<a name="line.1690"></a> +<span class="sourceLineNo">1691</span> return;<a name="line.1691"></a> +<span class="sourceLineNo">1692</span> }<a name="line.1692"></a> +<span class="sourceLineNo">1693</span><a name="line.1693"></a> +<span class="sourceLineNo">1694</span> // group entries by region servers<a name="line.1694"></a> +<span class="sourceLineNo">1695</span> groupEditsByServer(entries);<a name="line.1695"></a> +<span class="sourceLineNo">1696</span><a name="line.1696"></a> +<span class="sourceLineNo">1697</span> // process workitems<a name="line.1697"></a> +<span class="sourceLineNo">1698</span> String maxLocKey = null;<a name="line.1698"></a> +<span class="sourceLineNo">1699</span> int maxSize = 0;<a name="line.1699"></a> +<span class="sourceLineNo">1700</span> List<Pair<HRegionLocation, Entry>> maxQueue = null;<a name="line.1700"></a> +<span class="sourceLineNo">1701</span> synchronized (this.serverToBufferQueueMap) 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class="sourceLineNo">1754</span> byte[] family = CellUtil.cloneFamily(cell);<a name="line.1754"></a> -<span class="sourceLineNo">1755</span> boolean isCompactionEntry = false;<a name="line.1755"></a> -<span class="sourceLineNo">1756</span> if (CellUtil.matchingFamily(cell, WALEdit.METAFAMILY)) {<a name="line.1756"></a> -<span class="sourceLineNo">1757</span> CompactionDescriptor compaction = WALEdit.getCompaction(cell);<a name="line.1757"></a> -<span class="sourceLineNo">1758</span> if (compaction != null && compaction.hasRegionName()) {<a name="line.1758"></a> -<span class="sourceLineNo">1759</span> try {<a name="line.1759"></a> -<span class="sourceLineNo">1760</span> byte[][] regionName = HRegionInfo.parseRegionName(compaction.getRegionName()<a name="line.1760"></a> -<span class="sourceLineNo">1761</span> .toByteArray());<a name="line.1761"></a> -<span class="sourceLineNo">1762</span> row = regionName[1]; // startKey of the region<a name="line.1762"></a> -<span class="sourceLineNo">1763</span> family = compaction.getFamilyName().toByteArray();<a name="line.1763"></a> -<span class="sourceLineNo">1764</span> isCompactionEntry = true;<a name="line.1764"></a> -<span class="sourceLineNo">1765</span> } catch (Exception ex) {<a name="line.1765"></a> -<span class="sourceLineNo">1766</span> LOG.warn("Unexpected exception received, ignoring " + ex);<a name="line.1766"></a> -<span class="sourceLineNo">1767</span> skippedCells.add(cell);<a name="line.1767"></a> -<span class="sourceLineNo">1768</span> continue;<a name="line.1768"></a> -<span class="sourceLineNo">1769</span> }<a name="line.1769"></a> -<span class="sourceLineNo">1770</span> } else {<a name="line.1770"></a> -<span class="sourceLineNo">1771</span> skippedCells.add(cell);<a name="line.1771"></a> -<span class="sourceLineNo">1772</span> continue;<a name="line.1772"></a> -<span class="sourceLineNo">1773</span> }<a name="line.1773"></a> -<span class="sourceLineNo">1774</span> }<a 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name="line.1784"></a> -<span class="sourceLineNo">1785</span> needSkip = true;<a name="line.1785"></a> -<span class="sourceLineNo">1786</span> }<a name="line.1786"></a> -<span class="sourceLineNo">1787</span> } catch (TableNotFoundException ex) {<a name="line.1787"></a> -<span class="sourceLineNo">1788</span> // table has been deleted so skip edits of the table<a name="line.1788"></a> -<span class="sourceLineNo">1789</span> LOG.info("Table " + table + " doesn't exist. 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name="line.1800"></a> -<span class="sourceLineNo">1801</span> cachedLastFlushedSequenceId =<a name="line.1801"></a> -<span class="sourceLineNo">1802</span> lastFlushedSequenceIds.get(loc.getRegionInfo().getEncodedName());<a name="line.1802"></a> -<span class="sourceLineNo">1803</span> if (cachedLastFlushedSequenceId != null<a name="line.1803"></a> -<span class="sourceLineNo">1804</span> && cachedLastFlushedSequenceId >= entry.getKey().getLogSeqNum()) {<a name="line.1804"></a> -<span class="sourceLineNo">1805</span> // skip the whole WAL entry<a name="line.1805"></a> -<span class="sourceLineNo">1806</span> this.skippedEdits.incrementAndGet();<a name="line.1806"></a> -<span class="sourceLineNo">1807</span> needSkip = true;<a name="line.1807"></a> -<span class="sourceLineNo">1808</span> break;<a name="line.1808"></a> -<span class="sourceLineNo">1809</span> } else {<a name="line.1809"></a> -<span class="sourceLineNo">1810</span> if (maxStoreSequenceIds == null) {<a name="line.1810"></a> -<span class="sourceLineNo">1811</span> maxStoreSequenceIds =<a name="line.1811"></a> -<span class="sourceLineNo">1812</span> regionMaxSeqIdInStores.get(loc.getRegionInfo().getEncodedName());<a name="line.1812"></a> -<span class="sourceLineNo">1813</span> }<a name="line.1813"></a> -<span class="sourceLineNo">1814</span> if (maxStoreSequenceIds != null) {<a name="line.1814"></a> -<span class="sourceLineNo">1815</span> Long maxStoreSeqId = maxStoreSequenceIds.get(family);<a name="line.1815"></a> -<span class="sourceLineNo">1816</span> if (maxStoreSeqId == null || maxStoreSeqId >= entry.getKey().getLogSeqNum()) {<a name="line.1816"></a> -<span class="sourceLineNo">1817</span> // skip current kv if column family doesn't exist anymore or already flushed<a name="line.1817"></a> -<span class="sourceLineNo">1818</span> skippedCells.add(cell);<a name="line.1818"></a> -<span class="sourceLineNo">1819</span> continue;<a name="line.1819"></a> -<span class="sourceLineNo">1820</span> }<a name="line.1820"></a> -<span class="sourceLineNo">1821</span> }<a name="line.1821"></a> -<span class="sourceLineNo">1822</span> }<a name="line.1822"></a> -<span class="sourceLineNo">1823</span> }<a name="line.1823"></a> -<span class="sourceLineNo">1824</span><a name="line.1824"></a> -<span class="sourceLineNo">1825</span> // skip the edit<a name="line.1825"></a> -<span class="sourceLineNo">1826</span> if (loc == null || needSkip) continue;<a name="line.1826"></a> -<span class="sourceLineNo">1827</span><a name="line.1827"></a> -<span class="sourceLineNo">1828</span> if (!skippedCells.isEmpty()) {<a name="line.1828"></a> -<span class="sourceLineNo">1829</span> cells.removeAll(skippedCells);<a name="line.1829"></a> -<span class="sourceLineNo">1830</span> }<a name="line.1830"></a> -<span class="sourceLineNo">1831</span><a name="line.1831"></a> -<span class="sourceLineNo">1832</span> synchronized (serverToBufferQueueMap) {<a name="line.1832"></a> -<span class="sourceLineNo">1833</span> 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class="sourceLineNo">1843</span> addToRecoveredRegions(loc.getRegionInfo().getEncodedName());<a name="line.1843"></a> -<span class="sourceLineNo">1844</span> }<a name="line.1844"></a> -<span class="sourceLineNo">1845</span> }<a name="line.1845"></a> -<span class="sourceLineNo">1846</span><a name="line.1846"></a> -<span class="sourceLineNo">1847</span> /**<a name="line.1847"></a> -<span class="sourceLineNo">1848</span> * Locate destination region based on table name & row. This function also makes sure the<a name="line.1848"></a> -<span class="sourceLineNo">1849</span> * destination region is online for replay.<a name="line.1849"></a> -<span class="sourceLineNo">1850</span> * @throws IOException<a name="line.1850"></a> -<span class="sourceLineNo">1851</span> */<a name="line.1851"></a> -<span class="sourceLineNo">1852</span> private HRegionLocation locateRegionAndRefreshLastFlushedSequenceId(HConnection hconn,<a name="line.1852"></a> -<span class="sourceLineNo">1853</span> TableName table, byte[] row, String originalEncodedRegionName) throws IOException {<a name="line.1853"></a> -<span class="sourceLineNo">1854</span> // fetch location from cache<a name="line.1854"></a> -<span class="sourceLineNo">1855</span> HRegionLocation loc = onlineRegions.get(originalEncodedRegionName);<a name="line.1855"></a> -<span class="sourceLineNo">1856</span> if(loc != null) return loc;<a name="line.1856"></a> -<span class="sourceLineNo">1857</span> // fetch location from hbase:meta directly without using cache to avoid hit old dead server<a name="line.1857"></a> -<span class="sourceLineNo">1858</span> loc = hconn.getRegionLocation(table, row, true);<a name="line.1858"></a> -<span class="sourceLineNo">1859</span> if (loc == null) {<a name="line.1859"></a> -<span class="sourceLineNo">1860</span> throw new IOException("Can't locate location for row:" + Bytes.toString(row)<a name="line.1860"></a> -<span class="sourceLineNo">1861</span> + " of table:" + table);<a name="line.1861"></a> -<span class="sourceLineNo">1862</span> }<a name="line.1862"></a> -<span class="sourceLineNo">1863</span> // check if current row moves to a different region due to region merge/split<a name="line.1863"></a> -<span class="sourceLineNo">1864</span> if (!originalEncodedRegionName.equalsIgnoreCase(loc.getRegionInfo().getEncodedName())) {<a name="line.1864"></a> -<span class="sourceLineNo">1865</span> // originalEncodedRegionName should have already flushed<a name="line.1865"></a> -<span class="sourceLineNo">1866</span> lastFlushedSequenceIds.put(originalEncodedRegionName, Long.MAX_VALUE);<a name="line.1866"></a> -<span class="sourceLineNo">1867</span> HRegionLocation tmpLoc = onlineRegions.get(loc.getRegionInfo().getEncodedName());<a name="line.1867"></a> -<span class="sourceLineNo">1868</span> if (tmpLoc != null) return tmpLoc;<a name="line.1868"></a> -<span class="sourceLineNo">1869</span> }<a name="line.1869"></a> -<span class="sourceLineNo">1870</span><a name="line.1870"></a> -<span class="sourceLineNo">1871</span> Long lastFlushedSequenceId = -1l;<a name="line.1871"></a> -<span class="sourceLineNo">1872</span> AtomicBoolean isRecovering = new AtomicBoolean(true);<a name="line.1872"></a> -<span class="sourceLineNo">1873</span> loc = waitUntilRegionOnline(loc, row, this.waitRegionOnlineTimeOut, isRecovering);<a name="line.1873"></a> -<span class="sourceLineNo">1874</span> if (!isRecovering.get()) {<a name="line.1874"></a> -<span class="sourceLineNo">1875</span> // region isn't in recovering at all because WAL file may contain a region that has<a name="line.1875"></a> -<span class="sourceLineNo">1876</span> // been moved to somewhere before hosting RS fails<a name="line.1876"></a> -<span class="sourceLineNo">1877</span> lastFlushedSequenceIds.put(loc.getRegionInfo().getEncodedName(), Long.MAX_VALUE);<a name="line.1877"></a> -<span class="sourceLineNo">1878</span> LOG.info("logReplay skip region: " + loc.getRegionInfo().getEncodedName()<a name="line.1878"></a> -<span class="sourceLineNo">1879</span> + " because it's not in recovering.");<a name="line.1879"></a> -<span class="sourceLineNo">1880</span> } else {<a name="line.1880"></a> -<span class="sourceLineNo">1881</span> Long cachedLastFlushedSequenceId =<a name="line.1881"></a> -<span class="sourceLineNo">1882</span> lastFlushedSequenceIds.get(loc.getRegionInfo().getEncodedName());<a name="line.1882"></a> -<span class="sourceLineNo">1883</span><a name="line.1883"></a> -<span class="sourceLineNo">1884</span> // retrieve last flushed sequence Id from ZK. Because region postOpenDeployTasks will<a name="line.1884"></a> -<span class="sourceLineNo">1885</span> // update the value for the region<a name="line.1885"></a> -<span class="sourceLineNo">1886</span> RegionStoreSequenceIds ids =<a name="line.1886"></a> -<span class="sourceLineNo">1887</span> csm.getSplitLogWorkerCoordination().getRegionFlushedSequenceId(failedServerName,<a name="line.1887"></a> -<span class="sourceLineNo">1888</span> loc.getRegionInfo().getEncodedName());<a name="line.1888"></a> -<span class="sourceLineNo">1889</span> if (ids != null) {<a name="line.1889"></a> -<span class="sourceLineNo">1890</span> lastFlushedSequenceId = ids.getLastFlushedSequenceId();<a name="line.1890"></a> -<span class="sourceLineNo">1891</span> Map<byte[], Long> storeIds = new TreeMap<byte[], Long>(Bytes.BYTES_COMPARATOR);<a name="line.1891"></a> -<span class="sourceLineNo">1892</span> List<StoreSequenceId> maxSeqIdInStores = ids.getStoreSequenceIdList();<a name="line.1892"></a> -<span class="sourceLineNo">1893</span> for (StoreSequenceId id : maxSeqIdInStores) {<a name="line.1893"></a> -<span class="sourceLineNo">1894</span> storeIds.put(id.getFamilyName().toByteArray(), id.getSequenceId());<a name="line.1894"></a> -<span class="sourceLineNo">1895</span> }<a name="line.1895"></a> -<span class="sourceLineNo">1896</span> regionMaxSeqIdInStores.put(loc.getRegionInfo().getEncodedName(), storeIds);<a name="line.1896"></a> -<span class="sourceLineNo">1897</span> }<a name="line.1897"></a> -<span class="sourceLineNo">1898</span><a name="line.1898"></a> -<span class="sourceLineNo">1899</span> if (cachedLastFlushedSequenceId == null<a name="line.1899"></a> -<span class="sourceLineNo">1900</span> || lastFlushedSequenceId > cachedLastFlushedSequenceId) {<a name="line.1900"></a> -<span class="sourceLineNo">1901</span> lastFlushedSequenceIds.put(loc.getRegionInfo().getEncodedName(), lastFlushedSequenceId);<a name="line.1901"></a> -<span class="sourceLineNo">1902</span> }<a name="line.1902"></a> -<span class="sourceLineNo">1903</span> }<a name="line.1903"></a> +<span class="sourceLineNo">1725</span> private void addToRecoveredRegions(String encodedRegionName) {<a name="line.1725"></a> +<span class="sourceLineNo">1726</span> if (!recoveredRegions.contains(encodedRegionName)) {<a name="line.1726"></a> +<span class="sourceLineNo">1727</span> recoveredRegions.add(encodedRegionName);<a name="line.1727"></a> +<span class="sourceLineNo">1728</span> }<a name="line.1728"></a> +<span class="sourceLineNo">1729</span> }<a name="line.1729"></a> +<span class="sourceLineNo">1730</span><a name="line.1730"></a> +<span class="sourceLineNo">1731</span> /**<a name="line.1731"></a> +<span class="sourceLineNo">1732</span> * Helper function to group WALEntries to individual region servers<a name="line.1732"></a> +<span class="sourceLineNo">1733</span> * @throws IOException<a name="line.1733"></a> +<span class="sourceLineNo">1734</span> */<a name="line.1734"></a> +<span class="sourceLineNo">1735</span> private void groupEditsByServer(List<Entry> entries) throws IOException {<a name="line.1735"></a> +<span class="sourceLineNo">1736</span> Set<TableName> nonExistentTables = null;<a name="line.1736"></a> +<span class="sourceLineNo">1737</span> Long cachedLastFlushedSequenceId = -1l;<a name="line.1737"></a> +<span class="sourceLineNo">1738</span> for (Entry entry : entries) {<a name="line.1738"></a> +<span class="sourceLineNo">1739</span> WALEdit edit = entry.getEdit();<a name="line.1739"></a> +<span class="sourceLineNo">1740</span> TableName table = entry.getKey().getTablename();<a name="line.1740"></a> +<span class="sourceLineNo">1741</span> // clear scopes which isn't needed for recovery<a name="line.1741"></a> +<span class="sourceLineNo">1742</span> entry.getKey().setScopes(null);<a name="line.1742"></a> +<span class="sourceLineNo">1743</span> String encodeRegionNameStr = Bytes.toString(entry.getKey().getEncodedRegionName());<a name="line.1743"></a> +<span class="sourceLineNo">1744</span> // skip edits of non-existent tables<a name="line.1744"></a> +<span class="sourceLineNo">1745</span> if (nonExistentTables != null && nonExistentTables.contains(table)) {<a name="line.1745"></a> +<span class="sourceLineNo">1746</span> this.skippedEdits.incrementAndGet();<a name="line.1746"></a> +<span class="sourceLineNo">1747</span> continue;<a name="line.1747"></a> +<span class="sourceLineNo">1748</span> }<a name="line.1748"></a> +<span class="sourceLineNo">1749</span><a name="line.1749"></a> +<span class="sourceLineNo">1750</span> Map<byte[], Long> maxStoreSequenceIds = null;<a name="line.1750"></a> +<span class="sourceLineNo">1751</span> boolean needSkip = false;<a name="line.1751"></a> +<span class="sourceLineNo">1752</span> HRegionLocation loc = null;<a name="line.1752"></a> +<span class="sourceLineNo">1753</span> String locKey = null;<a name="line.1753"></a> +<span class="sourceLineNo">1754</span> List<Cell> cells = edit.getCells();<a name="line.1754"></a> +<span class="sourceLineNo">1755</span> List<Cell> skippedCells = new ArrayList<Cell>();<a name="line.1755"></a> +<span class="sourceLineNo">1756</span> HConnection hconn = this.getConnectionByTableName(table);<a name="line.1756"></a> +<span class="sourceLineNo">1757</span><a name="line.1757"></a> +<span class="sourceLineNo">1758</span> for (Cell cell : cells) {<a name="line.1758"></a> +<span class="sourceLineNo">1759</span> byte[] row = CellUtil.cloneRow(cell);<a name="line.1759"></a> +<span class="sourceLineNo">1760</span> byte[] family = CellUtil.cloneFamily(cell);<a name="line.1760"></a> +<span class="sourceLineNo">1761</span> boolean isCompactionEntry = false;<a name="line.1761"></a> +<span class="sourceLineNo">1762</span> if (CellUtil.matchingFamily(cell, WALEdit.METAFAMILY)) {<a name="line.1762"></a> +<span class="sourceLineNo">1763</span> CompactionDescriptor compaction = WALEdit.getCompaction(cell);<a name="line.1763"></a> +<span class="sourceLineNo">1764</span> if (compaction != null && compaction.hasRegionName()) {<a name="line.1764"></a> +<span class="sourceLineNo">1765</span> try {<a name="line.1765"></a> +<span class="sourceLineNo">1766</span> byte[][] regionName = HRegionInfo.parseRegionName(compaction.getRegionName()<a name="line.1766"></a> +<span class="sourceLineNo">1767</span> .toByteArray());<a name="line.1767"></a> +<span class="sourceLineNo">1768</span> row = regionName[1]; // startKey of the region<a name="line.1768"></a> +<span class="sourceLineNo">1769</span> family = compaction.getFamilyName().toByteArray();<a name="line.1769"></a> +<span class="sourceLineNo">1770</span> isCompactionEntry = true;<a name="line.1770"></a> +<span class="sourceLineNo">1771</span> } catch (Exception ex) {<a name="line.1771"></a> +<span class="sourceLineNo">1772</span> LOG.warn("Unexpected exception received, ignoring " + ex);<a name="line.1772"></a> +<span class="sourceLineNo">1773</span> skippedCells.add(cell);<a name="line.1773"></a> +<span class="sourceLineNo">1774</span> continue;<a name="line.1774"></a> +<span class="sourceLineNo">1775</span> }<a name="line.1775"></a> +<span class="sourceLineNo">1776</span> } else {<a name="line.1776"></a> +<span class="sourceLineNo">1777</span> skippedCells.add(cell);<a name="line.1777"></a> +<span class="sourceLineNo">1778</span> continue;<a name="line.1778"></a> +<span class="sourceLineNo">1779</span> }<a name="line.1779"></a> +<span class="sourceLineNo">1780</span> }<a name="line.1780"></a> +<span class="sourceLineNo">1781</span><a name="line.1781"></a> +<span class="sourceLineNo">1782</span> try {<a name="line.1782"></a> +<span class="sourceLineNo">1783</span> loc =<a name="line.1783"></a> +<span class="sourceLineNo">1784</span> locateRegionAndRefreshLastFlushedSequenceId(hconn, table, row,<a name="line.1784"></a> +<span class="sourceLineNo">1785</span> encodeRegionNameStr);<a name="line.1785"></a> +<span class="sourceLineNo">1786</span> // skip replaying the compaction if the region is gone<a name="line.1786"></a> +<span class="sourceLineNo">1787</span> if (isCompactionEntry && !encodeRegionNameStr.equalsIgnoreCase(<a name="line.1787"></a> +<span class="sourceLineNo">1788</span> loc.getRegionInfo().getEncodedName())) {<a name="line.1788"></a> +<span class="sourceLineNo">1789</span> LOG.info("Not replaying a compaction marker for an older region: "<a name="line.1789"></a> +<span class="sourceLineNo">1790</span> + encodeRegionNameStr);<a name="line.1790"></a> +<span class="sourceLineNo">1791</span> needSkip = true;<a name="line.1791"></a> +<span class="sourceLineNo">1792</span> }<a name="line.1792"></a> +<span class="sourceLineNo">1793</span> } catch (TableNotFoundException ex) {<a name="line.1793"></a> +<span class="sourceLineNo">1794</span> // table has been deleted so skip edits of the table<a name="line.1794"></a> +<span class="sourceLineNo">1795</span> LOG.info("Table " + table + " doesn't exist. Skip log replay for region "<a name="line.1795"></a> +<span class="sourceLineNo">1796</span> + encodeRegionNameStr);<a name="line.1796"></a> +<span class="sourceLineNo">1797</span> lastFlushedSequenceIds.put(encodeRegionNameStr, Long.MAX_VALUE);<a name="line.1797"></a> +<span class="sourceLineNo">1798</span> if (nonExistentTables == null) {<a name="line.1798"></a> +<span class="sourceLineNo">1799</span> nonExistentTables = new TreeSet<TableName>();<a name="line.1799"></a> +<span class="sourceLineNo">1800</span> }<a name="line.1800"></a> +<span class="sourceLineNo">1801</span> nonExistentTables.add(table);<a name="line.1801"></a> +<span class="sourceLineNo">1802</span> this.skippedEdits.incrementAndGet();<a name="line.1802"></a> +<span class="sourceLineNo">1803</span> needSkip = true;<a name="line.1803"></a> +<span class="sourceLineNo">1804</span> break;<a name="line.1804"></a> +<span class="sourceLineNo">1805</span> }<a name="line.1805"></a> +<span class="sourceLineNo">1806</span><a name="line.1806"></a> +<span class="sourceLineNo">1807</span> cachedLastFlushedSequenceId =<a name="line.1807"></a> +<span class="sourceLineNo">1808</span> lastFlushedSequenceIds.get(loc.getRegionInfo().getEncodedName());<a name="line.1808"></a> +<span class="sourceLineNo">1809</span> if (cachedLastFlushedSequenceId != null<a name="line.1809"></a> +<span class="sourceLineNo">1810</span> && cachedLastFlushedSequenceId >= entry.getKey().getLogSeqNum()) {<a name="line.1810"></a> +<span class="sourceLineNo">1811</span> // skip the whole WAL entry<a name="line.1811"></a> +<span class="sourceLineNo">1812</span> this.skippedEdits.incrementAndGet();<a name="line.1812"></a> +<span class="sourceLineNo">1813</span> needSkip = true;<a name="line.1813"></a> +<span class="sourceLineNo">1814</span> break;<a name="line.1814"></a> +<span class="sourceLineNo">1815</span> } else {<a name="line.1815"></a> +<span class="sourceLineNo">1816</span> if (maxStoreSequenceIds == null) {<a name="line.1816"></a> +<span class="sourceLineNo">1817</span> maxStoreSequenceIds =<a name="line.1817"></a> +<span class="sourceLineNo">1818</span> regionMaxSeqIdInStores.get(loc.getRegionInfo().getEncodedName());<a name="line.1818"></a> +<span class="sourceLineNo">1819</span> }<a name="line.1819"></a> +<span class="sourceLineNo">1820</span> if (maxStoreSequenceIds != null) {<a name="line.1820"></a> +<span class="sourceLineNo">1821</span> Long maxStoreSeqId = maxStoreSequenceIds.get(family);<a name="line.1821"></a> +<span class="sourceLineNo">1822</span> if (maxStoreSeqId == null || maxStoreSeqId >= entry.getKey().getLogSeqNum()) {<a name="line.1822"></a> +<span class="sourceLineNo">1823</span> // skip current kv if column family doesn't exist anymore or already flushed<a name="line.1823"></a> +<span class="sourceLineNo">1824</span> skippedCells.add(cell);<a name="line.1824"></a> +<span class="sourceLineNo">1825</span> continue;<a name="line.1825"></a> +<span class="sourceLineNo">1826</span> }<a name="line.1826"></a> +<span class="sourceLineNo">1827</span> }<a name="line.1827"></a> +<span class="sourceLineNo">1828</span> }<a name="line.1828"></a> +<span class="sourceLineNo">1829</span> }<a name="line.1829"></a> +<span class="sourceLineNo">1830</span><a name="line.1830"></a> +<span class="sourceLineNo">1831</span> // skip the edit<a name="line.1831"></a> +<span class="sourceLineNo">1832</span> if (loc == null || needSkip) continue;<a name="line.1832"></a> +<span class="sourceLineNo">1833</span><a name="line.1833"></a> +<span class="sourceLineNo">1834</span> if (!skippedCells.isEmpty()) {<a name="line.1834"></a> +<span class="sourceLineNo">1835</span> cells.removeAll(skippedCells);<a name="line.1835"></a> +<span class="sourceLineNo">1836</span> }<a name="line.1836"></a> +<span class="sourceLineNo">1837</span><a name="line.1837"></a> +<span class="sourceLineNo">1838</span> synchronized (serverToBufferQueueMap) {<a name="line.1838"></a> +<span class="sourceLineNo">1839</span> locKey = loc.getHostnamePort() + KEY_DELIMITER + table;<a name="line.1839"></a> +<span class="sourceLineNo">1840</span> List<Pair<HRegionLocation, Entry>> queue = serverToBufferQueueMap.get(locKey);<a name="line.1840"></a> +<span class="sourceLineNo">1841</span> if (queue == null) {<a name="line.1841"></a> +<span class="sourceLineNo">1842</span> queue =<a name="line.1842"></a> +<span class="sourceLineNo">1843</span> Collections.synchronizedList(new ArrayList<Pair<HRegionLocation, Entry>>());<a name="line.1843"></a> +<span class="sourceLineNo">1844</span> serverToBufferQueueMap.put(locKey, queue);<a name="line.1844"></a> +<span class="sourceLineNo">1845</span> }<a name="line.1845"></a> +<span class="sourceLineNo">1846</span> queue.add(new Pair<HRegionLocation, Entry>(loc, entry));<a name="line.1846"></a> +<span class="sourceLineNo">1847</span> }<a name="line.1847"></a> +<span class="sourceLineNo">1848</span> // store regions we have recovered so far<a name="line.1848"></a> +<span class="sourceLineNo">1849</span> addToRecoveredRegions(loc.getRegionInfo().getEncodedName());<a name="line.1849"></a> +<span class="sourceLineNo">1850</span> }<a name="line.1850"></a> +<span class="sourceLineNo">1851</span> }<a name="line.1851"></a> +<span class="sourceLineNo">1852</span><a name="line.1852"></a> +<span class="sourceLineNo">1853</span> /**<a name="line.1853"></a> +<span class="sourceLineNo">1854</span> * Locate destination region based on table name & row. This function also makes sure the<a name="line.1854"></a> +<span class="sourceLineNo">1855</span> * destination region is online for replay.<a name="line.1855"></a> +<span class="sourceLineNo">1856</span> * @throws IOException<a name="line.1856"></a> +<span class="sourceLineNo">1857</span> */<a name="line.1857"></a> +<span class="sourceLineNo">1858</span> private HRegionLocation locateRegionAndRefreshLastFlushedSequenceId(HConnection hconn,<a name="line.1858"></a> +<span class="sourceLineNo">1859</span> TableName table, byte[] row, String originalEncodedRegionName) throws IOException {<a name="line.1859"></a> +<span class="sourceLineNo">1860</span> // fetch location from cache<a name="line.1860"></a> +<span class="sourceLineNo">1861</span> HRegionLocation loc = onlineRegions.get(originalEncodedRegionName);<a name="line.1861"></a> +<span class="sourceLineNo">1862</span> if(loc != null) return loc;<a name="line.1862"></a> +<span class="sourceLineNo">1863</span> // fetch location from hbase:meta directly without using cache to avoid hit old dead server<a name="line.1863"></a> +<span class="sourceLineNo">1864</span> loc = hconn.getRegionLocation(table, row, true);<a name="line.1864"></a> +<span class="sourceLineNo">1865</span> if (loc == null) {<a name="line.1865"></a> +<span class="sourceLineNo">1866</span> throw new IOException("Can't locate location for row:" + Bytes.toString(row)<a name="line.1866"></a> +<span class="sourceLineNo">1867</span> + " of table:" + table);<a name="line.1867"></a> +<span class="sourceLineNo">1868</span> }<a name="line.1868"></a> +<span class="sourceLineNo">1869</span> // check if current row moves to a different region due to region merge/split<a name="line.1869"></a> +<span class="sourceLineNo">1870</span> if (!originalEncodedRegionName.equalsIgnoreCase(loc.getRegionInfo().getEncodedName())) {<a name="line.1870"></a> +<span class="sourceLineNo">1871</span> // originalEncodedRegionName should have already flushed<a name="line.1871"></a> +<span class="sourceLineNo">1872</span> lastFlushedSequenceIds.put(originalEncodedRegionName, Long.MAX_VALUE);<a name="line.1872"></a> +<span class="sourceLineNo">1873</span> HRegionLocation tmpLoc = onlineRegions.get(loc.getRegionInfo().getEncodedName());<a name="line.1873"></a> +<span class="sourceLineNo">1874</span> if (tmpLoc != null) return tmpLoc;<a name="line.1874"></a> +<span class="sourceLineNo">1875</span> }<a name="line.1875"></a> +<span class="sourceLineNo">1876</span><a name="line.1876"></a> +<span class="sourceLineNo">1877</span> Long lastFlushedSequenceId = -1l;<a name="line.1877"></a> +<span class="sourceLineNo">1878</span> AtomicBoolean isRecovering = new AtomicBoolean(true);<a name="line.1878"></a> +<span class="sourceLineNo">1879</span> loc = waitUntilRegionOnline(loc, row, this.waitRegionOnlineTimeOut, isRecovering);<a name="line.1879"></a> +<span class="sourceLineNo">1880</span> if (!isRecovering.get()) {<a name="line.1880"></a> +<span class="sourceLineNo">1881</span> // region isn't in recovering at all because WAL file may contain a region that has<a name="line.1881"></a> +<span class="sourceLineNo">1882</span> // been moved to somewhere before hosting RS fails<a name="line.1882"></a> +<span class="sourceLineNo">1883</span> lastFlushedSequenceIds.put(loc.getRegionInfo().getEncodedName(), Long.MAX_VALUE);<a name="line.1883"></a> +<span class="sourceLineNo">1884</span> LOG.info("logReplay skip region: " + loc.getRegionInfo().getEncodedName()<a name="line.1884"></a> +<span class="sourceLineNo">1885</span> + " because it's not in recovering.");<a name="line.1885"></a> +<span class="sourceLineNo">1886</span> } else {<a name="line.1886"></a> +<span class="sourceLineNo">1887</span> Long cachedLastFlushedSequenceId =<a name="line.1887"></a> +<span class="sourceLineNo">1888</span> lastFlushedSequenceIds.get(loc.getRegionInfo().getEncodedName());<a name="line.1888"></a> +<span class="sourceLineNo">1889</span><a name="line.1889"></a> +<span class="sourceLineNo">1890</span> // retrieve last flushed sequence Id from ZK. Because region postOpenDeployTasks will<a name="line.1890"></a> +<span class="sourceLineNo">1891</span> // update the value for the region<a name="line.1891"></a> +<span class="sourceLineNo">1892</span> RegionStoreSequenceIds ids =<a name="line.1892"></a> +<span class="sourceLineNo">1893</span> csm.getSplitLogWorkerCoordination().getRegionFlushedSequenceId(failedServerName,<a name="line.1893"></a> +<span class="sourceLineNo">1894</span> loc.getRegionInfo().getEncodedName());<a name="line.1894"></a> +<span class="sourceLineNo">1895</span> if (ids != null) {<a name="line.1895"></a> +<span class="sourceLineNo">1896</span> lastFlushedSequenceId = ids.getLastFlushedSequenceId();<a name="line.1896"></a> +<span class="sourceLineNo">1897</span> Map<byte[], Long> storeIds = new TreeMap<byte[], Long>(Bytes.BYTES_COMPARATOR);<a name="line.1897"></a> +<span class="sourceLineNo">1898</span> List<StoreSequenceId> maxSeqIdInStores = ids.getStoreSequenceIdList();<a name="line.1898"></a> +<span class="sourceLineNo">1899</span> for (StoreSequenceId id : maxSeqIdInStores) {<a name="line.1899"></a> +<span class="sourceLineNo">1900</span> storeIds.put(id.getFamilyName().toByteArray(), id.getSequenceId());<a name="line.1900"></a> +<span class="sourceLineNo">1901</span> }<a name="line.1901"></a> +<span class="sourceLineNo">1902</span> regionMaxSeqIdInStores.put(loc.getRegionInfo().getEncodedName(), storeIds);<a name="line.1902"></a> +<span class="sourceLineNo">1903</span> }<a name="line.1903"></a> <span class="sourceLineNo">1904</span><a name="line.1904"></a> -<span class="sourceLineNo">1905</span> onlineRegions.put(loc.getRegionInfo().getEncodedName(), loc);<a name="line.1905"></a> -<span class="sourceLineNo">1906</span> return loc;<a name="line.1906"></a> -<span class="sourceLineNo">1907</span> }<a name="line.1907"></a> -<span class="sourceLineNo">1908</span><a name="line.1908"></a> -<span class="sourceLineNo">1909</span> private void processWorkItems(String key, List<Pair<HRegionLocation, Entry>> actions)<a name="line.1909"></a> -<span class="sourceLineNo">1910</span> throws IOException {<a name="line.1910"></a> -<span class="sourceLineNo">1911</span> RegionServerWriter rsw = null;<a name="line.1911"></a> -<span class="sourceLineNo">1912</span><a name="line.1912"></a> -<span class="sourceLineNo">1913</span> long startTime = System.nanoTime();<a name="line.1913"></a> -<span class="sourceLineNo">1914</span> try {<a name="line.1914"></a> -<span class="sourceLineNo">1915</span> rsw = getRegionServerWriter(key);<a name="line.1915"></a> -<span class="sourceLineNo">1916</span> rsw.sink.replayEntries(actions);<a name="line.1916"></a> -<span class="sourceLineNo">1917</span><a name="line.1917"></a> -<span class="sourceLineNo">1918</span> // Pass along summary statistics<a name="line.1918"></a> -<span class="sourceLineNo">1919</span> rsw.incrementEdits(actions.size());<a name="line.1919"></a> -<span class="sourceLineNo">1920</span> rsw.incrementNanoTime(System.nanoTime() - startTime);<a name="line.1920"></a> -<span class="sourceLineNo">1921</span> } catch (IOException e) {<a name="line.1921"></a> -<span class="sourceLineNo">1922</span> e = e instanceof RemoteException ? ((RemoteException) e).unwrapRemoteException() : e;<a name="line.1922"></a> -<span class="sourceLineNo">1923</span> LOG.fatal(" Got while writing log entry to log", e);<a name="line.1923"></a> -<span class="sourceLineNo">1924</span> throw e;<a name="line.1924"></a> -<span class="sourceLineNo">1925</span> }<a name="line.1925"></a> -<span class="sourceLineNo">1926</span> }<a name="line.1926"></a> -<span class="sourceLineNo">1927</span><a name="line.1927"></a> -<span class="sourceLineNo">1928</span> /**<a name="line.1928"></a> -<span class="sourceLineNo">1929</span> * Wait until region is online on the destination region server<a name="line.1929"></a> -<span class="sourceLineNo">1930</span> * @param loc<a name="line.1930"></a> -<span class="sourceLineNo">1931</span> * @param row<a name="line.1931"></a> -<span class="sourceLineNo">1932</span> * @param timeout How long to wait<a name="line.1932"></a> -<span class="sourceLineNo">1933</span> * @param isRecovering Recovering state of the region interested on destination region server.<a name="line.1933"></a> -<span class="sourceLineNo">1934</span> * @return True when region is online on the destination region server<a name="line.1934"></a> -<span class="sourceLineNo">1935</span> * @throws InterruptedException<a name="line.1935"></a> -<span class="sourceLineNo">1936</span> */<a name="line.1936"></a> -<span class="sourceLineNo">1937</span> private HRegionLocation waitUntilRegionOnline(HRegionLocation loc, byte[] row,<a name="line.1937"></a> -<span class="sourceLineNo">1938</span> final long timeout, AtomicBoolean isRecovering)<a name="line.1938"></a> -<span class="sourceLineNo">1939</span> throws IOException {<a name="line.1939"></a> -<span class="sourceLineNo">1940</span> final long endTime = EnvironmentEdgeManager.currentTime() + timeout;<a name="line.1940"></a> -<span class="sourceLineNo">1941</span> final long pause = conf.getLong(HConstants.HBASE_CLIENT_PAUSE,<a name="line.1941"></a> -<span class="sourceLineNo">1942</span> HConstants.DEFAULT_HBASE_CLIENT_PAUSE);<a name="line.1942"></a> -<span class="sourceLineNo">1943</span> boolean reloadLocation = false;<a name="line.1943"></a> -<span class="sourceLineNo">1944</span> TableName tableName = loc.getRegionInfo().getTable();<a name="line.1944"></a> -<span class="sourceLineNo">1945</span> int tries = 0;<a name="line.1945"></a> -<span class="sourceLineNo">1946</span> Throwable cause = null;<a name="line.1946"></a> -<span class="sourceLineNo">1947</span> while (endTime > EnvironmentEdgeManager.currentTime()) {<a name="line.1947"></a> -<span class="sourceLineNo">1948</span> try {<a name="line.1948"></a> -<span class="sourceLineNo">1949</span> // Try and get regioninfo from the hosting server.<a name="line.1949"></a> -<span class="sourceLineNo">1950</span> HConnection hconn = getConnectionByTableName(tableName);<a name="line.1950"></a> -<span class="sourceLineNo">1951</span> if(reloadLocation) {<a name="line.1951"></a> -<span class="sourceLineNo">1952</span> loc = hconn.getRegionLocation(tableName, row, true);<a name="line.1952"></a> -<span class="sourceLineNo">1953</span> }<a name="line.1953"></a> -<span class="sourceLineNo">1954</span> BlockingInterface remoteSvr = hconn.getAdmin(loc.getServerName());<a name="line.1954"></a> -<span class="sourceLineNo">1955</span> HRegionInfo region = loc.getRegionInfo();<a name="line.1955"></a> -<span class="sourceLineNo">1956</span> try {<a name="line.1956"></a> -<span class="sourceLineNo">1957</span> GetRegionInfoRequest request =<a name="line.1957"></a> -<span class="sourceLineNo">1958</span> RequestConverter.buildGetRegionInfoRequest(region.getRegionName());<a name="line.1958"></a> -<span class="sourceLineNo">1959</span> GetRegionInfoResponse response = remoteSvr.getRegionInfo(null, request);<a name="line.1959"></a> -<span class="sourceLineNo">1960</span> if (HRegionInfo.convert(response.getRegionInfo()) != null) {<a name="line.1960"></a> -<span class="sourceLineNo">1961</span> isRecovering.set((response.hasIsRecovering()) ? response.getIsRecovering() : true);<a name="line.1961"></a> -<span class="sourceLineNo">1962</span> return loc;<a name="line.1962"></a> -<span class="sourceLineNo">1963</span> }<a name="line.1963"></a> -<span class="sourceLineNo">1964</span> } catch (ServiceException se) {<a name="line.1964"></a> -<span class="sourceLineNo">1965</span> throw ProtobufUtil.getRemoteException(se);<a name="line.1965"></a> -<span class="sourceLineNo">1966</span> }<a name="line.1966"></a> -<span c
<TRUNCATED>
