http://git-wip-us.apache.org/repos/asf/hbase-site/blob/f3d62514/devapidocs/src-html/org/apache/hadoop/hbase/wal/WALSplitter.OutputSink.html
----------------------------------------------------------------------
diff --git
a/devapidocs/src-html/org/apache/hadoop/hbase/wal/WALSplitter.OutputSink.html
b/devapidocs/src-html/org/apache/hadoop/hbase/wal/WALSplitter.OutputSink.html
index 63e4b46..514f830 100644
---
a/devapidocs/src-html/org/apache/hadoop/hbase/wal/WALSplitter.OutputSink.html
+++
b/devapidocs/src-html/org/apache/hadoop/hbase/wal/WALSplitter.OutputSink.html
@@ -468,15 +468,15 @@
<span class="sourceLineNo">460</span> * creating it if necessary.<a
name="line.460"></a>
<span class="sourceLineNo">461</span> * @param logEntry<a
name="line.461"></a>
<span class="sourceLineNo">462</span> * @param fileNameBeingSplit the file
being split currently. Used to generate tmp file name.<a name="line.462"></a>
-<span class="sourceLineNo">463</span> * @param conf<a name="line.463"></a>
-<span class="sourceLineNo">464</span> * @return Path to file into which to
dump split log edits.<a name="line.464"></a>
-<span class="sourceLineNo">465</span> * @throws IOException<a
name="line.465"></a>
-<span class="sourceLineNo">466</span> */<a name="line.466"></a>
-<span class="sourceLineNo">467</span> @SuppressWarnings("deprecation")<a
name="line.467"></a>
-<span class="sourceLineNo">468</span> @VisibleForTesting<a
name="line.468"></a>
-<span class="sourceLineNo">469</span> static Path
getRegionSplitEditsPath(final Entry logEntry, String fileNameBeingSplit,<a
name="line.469"></a>
-<span class="sourceLineNo">470</span> Configuration conf)<a
name="line.470"></a>
-<span class="sourceLineNo">471</span> throws IOException {<a
name="line.471"></a>
+<span class="sourceLineNo">463</span> * @param tmpDirName of the directory
used to sideline old recovered edits file<a name="line.463"></a>
+<span class="sourceLineNo">464</span> * @param conf<a name="line.464"></a>
+<span class="sourceLineNo">465</span> * @return Path to file into which to
dump split log edits.<a name="line.465"></a>
+<span class="sourceLineNo">466</span> * @throws IOException<a
name="line.466"></a>
+<span class="sourceLineNo">467</span> */<a name="line.467"></a>
+<span class="sourceLineNo">468</span> @SuppressWarnings("deprecation")<a
name="line.468"></a>
+<span class="sourceLineNo">469</span> @VisibleForTesting<a
name="line.469"></a>
+<span class="sourceLineNo">470</span> static Path
getRegionSplitEditsPath(final Entry logEntry, String fileNameBeingSplit,<a
name="line.470"></a>
+<span class="sourceLineNo">471</span> String tmpDirName, Configuration
conf) throws IOException {<a name="line.471"></a>
<span class="sourceLineNo">472</span> FileSystem fs =
FileSystem.get(conf);<a name="line.472"></a>
<span class="sourceLineNo">473</span> Path rootDir =
FSUtils.getRootDir(conf);<a name="line.473"></a>
<span class="sourceLineNo">474</span> Path tableDir =
FSUtils.getTableDir(rootDir, logEntry.getKey().getTableName());<a
name="line.474"></a>
@@ -491,7 +491,7 @@
<span class="sourceLineNo">483</span> return null;<a name="line.483"></a>
<span class="sourceLineNo">484</span> }<a name="line.484"></a>
<span class="sourceLineNo">485</span> if (fs.exists(dir) &&
fs.isFile(dir)) {<a name="line.485"></a>
-<span class="sourceLineNo">486</span> Path tmp = new Path("/tmp");<a
name="line.486"></a>
+<span class="sourceLineNo">486</span> Path tmp = new Path(tmpDirName);<a
name="line.486"></a>
<span class="sourceLineNo">487</span> if (!fs.exists(tmp)) {<a
name="line.487"></a>
<span class="sourceLineNo">488</span> fs.mkdirs(tmp);<a
name="line.488"></a>
<span class="sourceLineNo">489</span> }<a name="line.489"></a>
@@ -1520,411 +1520,413 @@
<span class="sourceLineNo">1512</span> * @return a path with a write for
that path. caller should close.<a name="line.1512"></a>
<span class="sourceLineNo">1513</span> */<a name="line.1513"></a>
<span class="sourceLineNo">1514</span> WriterAndPath createWAP(byte[]
region, Entry entry) throws IOException {<a name="line.1514"></a>
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getRegionSplitEditsPath(entry,<a name="line.1515"></a>
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fileBeingSplit.getPath().getName(), conf);<a name="line.1516"></a>
-<span class="sourceLineNo">1517</span> if (regionedits == null) {<a
name="line.1517"></a>
-<span class="sourceLineNo">1518</span> return null;<a
name="line.1518"></a>
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-<span class="sourceLineNo">1520</span> FileSystem rootFs =
FileSystem.get(conf);<a name="line.1520"></a>
-<span class="sourceLineNo">1521</span> if (rootFs.exists(regionedits))
{<a name="line.1521"></a>
-<span class="sourceLineNo">1522</span> LOG.warn("Found old edits file.
It could be the "<a name="line.1522"></a>
-<span class="sourceLineNo">1523</span> + "result of a previous
failed split attempt. Deleting " + regionedits + ", length="<a
name="line.1523"></a>
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rootFs.getFileStatus(regionedits).getLen());<a name="line.1524"></a>
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false)) {<a name="line.1525"></a>
-<span class="sourceLineNo">1526</span> LOG.warn("Failed delete of old
{}", regionedits);<a name="line.1526"></a>
-<span class="sourceLineNo">1527</span> }<a name="line.1527"></a>
-<span class="sourceLineNo">1528</span> }<a name="line.1528"></a>
-<span class="sourceLineNo">1529</span> Writer w =
createWriter(regionedits);<a name="line.1529"></a>
-<span class="sourceLineNo">1530</span> LOG.debug("Creating writer
path={}", regionedits);<a name="line.1530"></a>
-<span class="sourceLineNo">1531</span> return new
WriterAndPath(regionedits, w, entry.getKey().getSequenceId());<a
name="line.1531"></a>
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-<span class="sourceLineNo">1533</span><a name="line.1533"></a>
-<span class="sourceLineNo">1534</span> void filterCellByStore(Entry
logEntry) {<a name="line.1534"></a>
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maxSeqIdInStores =<a name="line.1535"></a>
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regionMaxSeqIdInStores.get(Bytes.toString(logEntry.getKey().getEncodedRegionName()));<a
name="line.1536"></a>
-<span class="sourceLineNo">1537</span> if
(MapUtils.isEmpty(maxSeqIdInStores)) {<a name="line.1537"></a>
-<span class="sourceLineNo">1538</span> return;<a name="line.1538"></a>
-<span class="sourceLineNo">1539</span> }<a name="line.1539"></a>
-<span class="sourceLineNo">1540</span> // Create the array list for the
cells that aren't filtered.<a name="line.1540"></a>
-<span class="sourceLineNo">1541</span> // We make the assumption that
most cells will be kept.<a name="line.1541"></a>
-<span class="sourceLineNo">1542</span> ArrayList<Cell> keptCells =
new ArrayList<>(logEntry.getEdit().getCells().size());<a
name="line.1542"></a>
-<span class="sourceLineNo">1543</span> for (Cell cell :
logEntry.getEdit().getCells()) {<a name="line.1543"></a>
-<span class="sourceLineNo">1544</span> if
(CellUtil.matchingFamily(cell, WALEdit.METAFAMILY)) {<a name="line.1544"></a>
-<span class="sourceLineNo">1545</span> keptCells.add(cell);<a
name="line.1545"></a>
-<span class="sourceLineNo">1546</span> } else {<a name="line.1546"></a>
-<span class="sourceLineNo">1547</span> byte[] family =
CellUtil.cloneFamily(cell);<a name="line.1547"></a>
-<span class="sourceLineNo">1548</span> Long maxSeqId =
maxSeqIdInStores.get(family);<a name="line.1548"></a>
-<span class="sourceLineNo">1549</span> // Do not skip cell even if
maxSeqId is null. Maybe we are in a rolling upgrade,<a name="line.1549"></a>
-<span class="sourceLineNo">1550</span> // or the master was crashed
before and we can not get the information.<a name="line.1550"></a>
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maxSeqId.longValue() < logEntry.getKey().getSequenceId()) {<a
name="line.1551"></a>
-<span class="sourceLineNo">1552</span> keptCells.add(cell);<a
name="line.1552"></a>
-<span class="sourceLineNo">1553</span> }<a name="line.1553"></a>
-<span class="sourceLineNo">1554</span> }<a name="line.1554"></a>
-<span class="sourceLineNo">1555</span> }<a name="line.1555"></a>
-<span class="sourceLineNo">1556</span><a name="line.1556"></a>
-<span class="sourceLineNo">1557</span> // Anything in the keptCells array
list is still live.<a name="line.1557"></a>
-<span class="sourceLineNo">1558</span> // So rather than removing the
cells from the array list<a name="line.1558"></a>
-<span class="sourceLineNo">1559</span> // which would be an O(n^2)
operation, we just replace the list<a name="line.1559"></a>
-<span class="sourceLineNo">1560</span>
logEntry.getEdit().setCells(keptCells);<a name="line.1560"></a>
-<span class="sourceLineNo">1561</span> }<a name="line.1561"></a>
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-<span class="sourceLineNo">1563</span> @Override<a name="line.1563"></a>
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buffer) throws IOException {<a name="line.1564"></a>
-<span class="sourceLineNo">1565</span> appendBuffer(buffer, true);<a
name="line.1565"></a>
-<span class="sourceLineNo">1566</span> }<a name="line.1566"></a>
-<span class="sourceLineNo">1567</span><a name="line.1567"></a>
-<span class="sourceLineNo">1568</span> WriterAndPath
appendBuffer(RegionEntryBuffer buffer, boolean reusable) throws IOException{<a
name="line.1568"></a>
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buffer.entryBuffer;<a name="line.1569"></a>
-<span class="sourceLineNo">1570</span> if (entries.isEmpty()) {<a
name="line.1570"></a>
-<span class="sourceLineNo">1571</span> LOG.warn("got an empty buffer,
skipping");<a name="line.1571"></a>
-<span class="sourceLineNo">1572</span> return null;<a
name="line.1572"></a>
-<span class="sourceLineNo">1573</span> }<a name="line.1573"></a>
-<span class="sourceLineNo">1574</span><a name="line.1574"></a>
-<span class="sourceLineNo">1575</span> WriterAndPath wap = null;<a
name="line.1575"></a>
+<span class="sourceLineNo">1515</span> String tmpDirName =
conf.get(HConstants.TEMPORARY_FS_DIRECTORY_KEY,<a name="line.1515"></a>
+<span class="sourceLineNo">1516</span>
HConstants.DEFAULT_TEMPORARY_HDFS_DIRECTORY);<a name="line.1516"></a>
+<span class="sourceLineNo">1517</span> Path regionedits =
getRegionSplitEditsPath(entry,<a name="line.1517"></a>
+<span class="sourceLineNo">1518</span>
fileBeingSplit.getPath().getName(), tmpDirName, conf);<a name="line.1518"></a>
+<span class="sourceLineNo">1519</span> if (regionedits == null) {<a
name="line.1519"></a>
+<span class="sourceLineNo">1520</span> return null;<a
name="line.1520"></a>
+<span class="sourceLineNo">1521</span> }<a name="line.1521"></a>
+<span class="sourceLineNo">1522</span> FileSystem rootFs =
FileSystem.get(conf);<a name="line.1522"></a>
+<span class="sourceLineNo">1523</span> if (rootFs.exists(regionedits))
{<a name="line.1523"></a>
+<span class="sourceLineNo">1524</span> LOG.warn("Found old edits file.
It could be the "<a name="line.1524"></a>
+<span class="sourceLineNo">1525</span> + "result of a previous
failed split attempt. Deleting " + regionedits + ", length="<a
name="line.1525"></a>
+<span class="sourceLineNo">1526</span> +
rootFs.getFileStatus(regionedits).getLen());<a name="line.1526"></a>
+<span class="sourceLineNo">1527</span> if (!rootFs.delete(regionedits,
false)) {<a name="line.1527"></a>
+<span class="sourceLineNo">1528</span> LOG.warn("Failed delete of old
{}", regionedits);<a name="line.1528"></a>
+<span class="sourceLineNo">1529</span> }<a name="line.1529"></a>
+<span class="sourceLineNo">1530</span> }<a name="line.1530"></a>
+<span class="sourceLineNo">1531</span> Writer w =
createWriter(regionedits);<a name="line.1531"></a>
+<span class="sourceLineNo">1532</span> LOG.debug("Creating writer
path={}", regionedits);<a name="line.1532"></a>
+<span class="sourceLineNo">1533</span> return new
WriterAndPath(regionedits, w, entry.getKey().getSequenceId());<a
name="line.1533"></a>
+<span class="sourceLineNo">1534</span> }<a name="line.1534"></a>
+<span class="sourceLineNo">1535</span><a name="line.1535"></a>
+<span class="sourceLineNo">1536</span> void filterCellByStore(Entry
logEntry) {<a name="line.1536"></a>
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maxSeqIdInStores =<a name="line.1537"></a>
+<span class="sourceLineNo">1538</span>
regionMaxSeqIdInStores.get(Bytes.toString(logEntry.getKey().getEncodedRegionName()));<a
name="line.1538"></a>
+<span class="sourceLineNo">1539</span> if
(MapUtils.isEmpty(maxSeqIdInStores)) {<a name="line.1539"></a>
+<span class="sourceLineNo">1540</span> return;<a name="line.1540"></a>
+<span class="sourceLineNo">1541</span> }<a name="line.1541"></a>
+<span class="sourceLineNo">1542</span> // Create the array list for the
cells that aren't filtered.<a name="line.1542"></a>
+<span class="sourceLineNo">1543</span> // We make the assumption that
most cells will be kept.<a name="line.1543"></a>
+<span class="sourceLineNo">1544</span> ArrayList<Cell> keptCells =
new ArrayList<>(logEntry.getEdit().getCells().size());<a
name="line.1544"></a>
+<span class="sourceLineNo">1545</span> for (Cell cell :
logEntry.getEdit().getCells()) {<a name="line.1545"></a>
+<span class="sourceLineNo">1546</span> if
(CellUtil.matchingFamily(cell, WALEdit.METAFAMILY)) {<a name="line.1546"></a>
+<span class="sourceLineNo">1547</span> keptCells.add(cell);<a
name="line.1547"></a>
+<span class="sourceLineNo">1548</span> } else {<a name="line.1548"></a>
+<span class="sourceLineNo">1549</span> byte[] family =
CellUtil.cloneFamily(cell);<a name="line.1549"></a>
+<span class="sourceLineNo">1550</span> Long maxSeqId =
maxSeqIdInStores.get(family);<a name="line.1550"></a>
+<span class="sourceLineNo">1551</span> // Do not skip cell even if
maxSeqId is null. Maybe we are in a rolling upgrade,<a name="line.1551"></a>
+<span class="sourceLineNo">1552</span> // or the master was crashed
before and we can not get the information.<a name="line.1552"></a>
+<span class="sourceLineNo">1553</span> if (maxSeqId == null ||
maxSeqId.longValue() < logEntry.getKey().getSequenceId()) {<a
name="line.1553"></a>
+<span class="sourceLineNo">1554</span> keptCells.add(cell);<a
name="line.1554"></a>
+<span class="sourceLineNo">1555</span> }<a name="line.1555"></a>
+<span class="sourceLineNo">1556</span> }<a name="line.1556"></a>
+<span class="sourceLineNo">1557</span> }<a name="line.1557"></a>
+<span class="sourceLineNo">1558</span><a name="line.1558"></a>
+<span class="sourceLineNo">1559</span> // Anything in the keptCells array
list is still live.<a name="line.1559"></a>
+<span class="sourceLineNo">1560</span> // So rather than removing the
cells from the array list<a name="line.1560"></a>
+<span class="sourceLineNo">1561</span> // which would be an O(n^2)
operation, we just replace the list<a name="line.1561"></a>
+<span class="sourceLineNo">1562</span>
logEntry.getEdit().setCells(keptCells);<a name="line.1562"></a>
+<span class="sourceLineNo">1563</span> }<a name="line.1563"></a>
+<span class="sourceLineNo">1564</span><a name="line.1564"></a>
+<span class="sourceLineNo">1565</span> @Override<a name="line.1565"></a>
+<span class="sourceLineNo">1566</span> public void append(RegionEntryBuffer
buffer) throws IOException {<a name="line.1566"></a>
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name="line.1567"></a>
+<span class="sourceLineNo">1568</span> }<a name="line.1568"></a>
+<span class="sourceLineNo">1569</span><a name="line.1569"></a>
+<span class="sourceLineNo">1570</span> WriterAndPath
appendBuffer(RegionEntryBuffer buffer, boolean reusable) throws IOException{<a
name="line.1570"></a>
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buffer.entryBuffer;<a name="line.1571"></a>
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name="line.1572"></a>
+<span class="sourceLineNo">1573</span> LOG.warn("got an empty buffer,
skipping");<a name="line.1573"></a>
+<span class="sourceLineNo">1574</span> return null;<a
name="line.1574"></a>
+<span class="sourceLineNo">1575</span> }<a name="line.1575"></a>
<span class="sourceLineNo">1576</span><a name="line.1576"></a>
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name="line.1582"></a>
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name="line.1584"></a>
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name="line.1586"></a>
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LOG.trace("getWriterAndPath decided we don't need to write edits for {}",
logEntry);<a name="line.1587"></a>
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name="line.1588"></a>
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(!logEntry.getEdit().isEmpty()) {<a name="line.1592"></a>
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name="line.1593"></a>
-<span class="sourceLineNo">1594</span>
this.updateRegionMaximumEditLogSeqNum(logEntry);<a name="line.1594"></a>
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name="line.1595"></a>
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name="line.1596"></a>
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wap.incrementSkippedEdits(1);<a name="line.1597"></a>
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-<span class="sourceLineNo">1600</span> // Pass along summary
statistics<a name="line.1600"></a>
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wap.incrementEdits(editsCount);<a name="line.1601"></a>
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wap.incrementNanoTime(System.nanoTime() - startTime);<a name="line.1602"></a>
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name="line.1603"></a>
-<span class="sourceLineNo">1604</span> e = e instanceof
RemoteException ?<a name="line.1604"></a>
-<span class="sourceLineNo">1605</span>
((RemoteException)e).unwrapRemoteException() : e;<a name="line.1605"></a>
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"Got while writing log entry to log", e);<a name="line.1606"></a>
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-<span class="sourceLineNo">1623</span> /**<a name="line.1623"></a>
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-<span class="sourceLineNo">1626</span> @Override<a name="line.1626"></a>
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getOutputCounts() {<a name="line.1627"></a>
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new TreeMap<>(Bytes.BYTES_COMPARATOR);<a name="line.1628"></a>
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ret.put(Bytes.toBytes(entry.getKey()), entry.getValue().editsWritten);<a
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entry.getKey().getNonceGroup() : HConstants.NO_NONCE;<a name="line.1890"></a>
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