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https://issues.apache.org/jira/browse/HBASE-15205?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15169679#comment-15169679
]
Hudson commented on HBASE-15205:
--------------------------------
FAILURE: Integrated in HBase-Trunk_matrix #741 (See
[https://builds.apache.org/job/HBase-Trunk_matrix/741/])
HBASE-15205 Do not find the replication scope for every WAL#append()
(ramkrishna: rev 8f2bd06019869a1738bcfd66066737cdb7802ca8)
* hbase-server/src/test/java/org/apache/hadoop/hbase/wal/TestSecureWAL.java
*
hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/wal/FSHLog.java
*
hbase-server/src/test/java/org/apache/hadoop/hbase/wal/TestWALReaderOnSecureWAL.java
* hbase-server/src/test/java/org/apache/hadoop/hbase/TestIOFencing.java
*
hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestBulkLoad.java
*
hbase-server/src/test/java/org/apache/hadoop/hbase/wal/WALPerformanceEvaluation.java
*
hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/wal/TestWALActionsListener.java
* hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HStore.java
*
hbase-server/src/test/java/org/apache/hadoop/hbase/wal/TestDefaultWALProviderWithHLogKey.java
*
hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/wal/TestWALReplay.java
*
hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestWALLockup.java
* hbase-server/src/main/java/org/apache/hadoop/hbase/wal/WALKey.java
*
hbase-server/src/test/java/org/apache/hadoop/hbase/replication/TestReplicationBase.java
* hbase-server/src/test/java/org/apache/hadoop/hbase/wal/TestWALFactory.java
*
hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestHRegionReplayEvents.java
*
hbase-server/src/test/java/org/apache/hadoop/hbase/mapreduce/TestImportExport.java
*
hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/wal/TestFSHLog.java
*
hbase-server/src/main/java/org/apache/hadoop/hbase/replication/ScopeWALEntryFilter.java
*
hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/wal/TestLogRollingNoCluster.java
*
hbase-server/src/test/java/org/apache/hadoop/hbase/replication/TestReplicationSmallTests.java
* hbase-server/src/test/java/org/apache/hadoop/hbase/wal/FaultyFSLog.java
*
hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/wal/WALUtil.java
*
hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestDistributedLogSplitting.java
*
hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/wal/WALActionsListener.java
*
hbase-server/src/test/java/org/apache/hadoop/hbase/wal/TestDefaultWALProvider.java
*
hbase-server/src/main/java/org/apache/hadoop/hbase/wal/DisabledWALProvider.java
*
hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestHRegionServerBulkLoad.java
*
hbase-server/src/test/java/org/apache/hadoop/hbase/replication/TestReplicationWALEntryFilters.java
*
hbase-server/src/test/java/org/apache/hadoop/hbase/replication/regionserver/TestReplicationSourceManager.java
* hbase-server/src/main/java/org/apache/hadoop/hbase/wal/WAL.java
*
hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/wal/TestLogRollAbort.java
*
hbase-server/src/test/java/org/apache/hadoop/hbase/mapreduce/TestWALRecordReader.java
*
hbase-server/src/test/java/org/apache/hadoop/hbase/replication/regionserver/TestReplicationWALReaderManager.java
*
hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/wal/HLogKey.java
* hbase-server/src/main/java/org/apache/hadoop/hbase/wal/WALSplitter.java
*
hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/wal/FSWALEntry.java
*
hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/Replication.java
*
hbase-server/src/test/java/org/apache/hadoop/hbase/mapreduce/TestHLogRecordReader.java
*
hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestHRegion.java
* hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegion.java
*
hbase-server/src/main/java/org/apache/hadoop/hbase/protobuf/ReplicationProtbufUtil.java
*
hbase-server/src/test/java/org/apache/hadoop/hbase/coprocessor/TestWALObserver.java
> Do not find the replication scope for every WAL#append()
> --------------------------------------------------------
>
> Key: HBASE-15205
> URL: https://issues.apache.org/jira/browse/HBASE-15205
> Project: HBase
> Issue Type: Sub-task
> Components: regionserver
> Reporter: ramkrishna.s.vasudevan
> Assignee: ramkrishna.s.vasudevan
> Priority: Minor
> Fix For: 2.0.0
>
> Attachments: HBASE-15204_6.patch, HBASE-15205.patch,
> HBASE-15205_1.patch, HBASE-15205_10.patch, HBASE-15205_11.patch,
> HBASE-15205_12.patch, HBASE-15205_2.patch, HBASE-15205_3.patch,
> HBASE-15205_4.patch, HBASE-15205_6.patch, HBASE-15205_6.patch,
> HBASE-15205_7.patch, HBASE-15205_8.patch, HBASE-15205_9.patch,
> ScopeWALEdits.jpg, ScopeWALEdits_afterpatch.jpg
>
>
> After the byte[] and char[] the other top contributor for lot of GC (though
> it is only 2.86%) is the UTF_8.newDecoder.
> This happens because for every WAL append we try to calculate the replication
> scope associate with the families associated with the TableDescriptor. I
> think per WAL append doing this is very costly and creates lot of garbage.
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