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https://issues.apache.org/jira/browse/HBASE-13529?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14510801#comment-14510801
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Hudson commented on HBASE-13529:
--------------------------------
FAILURE: Integrated in HBase-1.1.0RC0-JDK8 #5 (See
[https://builds.apache.org/job/HBase-1.1.0RC0-JDK8/5/])
HBASE-13529 Procedure v2 - WAL Improvements (matteo.bertozzi: rev
ba217ac07d4c5834216646bf953e9167135100e5)
*
hbase-procedure/src/main/java/org/apache/hadoop/hbase/procedure2/store/wal/WALProcedureStore.java
*
hbase-procedure/src/main/java/org/apache/hadoop/hbase/procedure2/store/ProcedureStoreTracker.java
*
hbase-procedure/src/test/java/org/apache/hadoop/hbase/procedure2/store/TestProcedureStoreTracker.java
*
hbase-procedure/src/main/java/org/apache/hadoop/hbase/procedure2/util/StringUtils.java
> Procedure v2 - WAL Improvements
> -------------------------------
>
> Key: HBASE-13529
> URL: https://issues.apache.org/jira/browse/HBASE-13529
> Project: HBase
> Issue Type: Sub-task
> Components: proc-v2
> Affects Versions: 2.0.0, 1.1.0
> Reporter: Matteo Bertozzi
> Assignee: Matteo Bertozzi
> Priority: Blocker
> Fix For: 2.0.0, 1.1.0
>
> Attachments: HBASE-13529-v0.patch, HBASE-13529-v1.patch,
> HBASE-13529-v2.patch, ProcedureStoreTest.java
>
>
> from the discussion in HBASE-12439 the wal was resulting slow.
> * there is an error around the awake of the slotCond.await(), causing more
> wait then necessary
> * ArrayBlockingQueue is dog slow, replace it with ConcurrentLinkedQueue
> * roll the wal only if reaches a threshold (conf ops) to amortize the cost
> * hsync() is used by default, when the normal wal is using just hflush()
> make it tunable via conf
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