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https://issues.apache.org/jira/browse/HBASE-6775?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13562632#comment-13562632
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Hudson commented on HBASE-6775:
-------------------------------
Integrated in HBase-TRUNK-on-Hadoop-2.0.0 #374 (See
[https://builds.apache.org/job/HBase-TRUNK-on-Hadoop-2.0.0/374/])
HBASE-7382 Port ZK.multi support from HBASE-6775 to 0.96 (Gregory, Himanshu
and Ted) (Revision 1438317)
Result = FAILURE
tedyu :
Files :
*
/hbase/trunk/hbase-common/src/main/java/org/apache/hadoop/hbase/HConstants.java
*
/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/zookeeper/RecoverableZooKeeper.java
*
/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/zookeeper/ZKUtil.java
* /hbase/trunk/hbase-server/src/main/resources/hbase-default.xml
*
/hbase/trunk/hbase-server/src/test/java/org/apache/hadoop/hbase/zookeeper/TestZKMulti.java
> Use ZK.multi when available for HBASE-6710 0.92/0.94 compatibility fix
> ----------------------------------------------------------------------
>
> Key: HBASE-6775
> URL: https://issues.apache.org/jira/browse/HBASE-6775
> Project: HBase
> Issue Type: Improvement
> Components: Zookeeper
> Affects Versions: 0.94.2
> Reporter: Gregory Chanan
> Assignee: Gregory Chanan
> Priority: Minor
> Fix For: 0.94.4
>
> Attachments: HBASE-6775-v2.patch
>
>
> This issue introduces the ability for the HMaster to make use of ZooKeeper's
> multi-update functionality. This allows certain ZooKeeper operations to
> complete more quickly and prevents some issues with rare ZooKeeper failure
> scenarios (see the release note of HBASE-6710 for an example). This feature
> is off by default; to enable set "hbase.zookeeper.useMulti" to true in the
> configuration of the HMaster.
> IMPORTANT: "hbase.zookeeper.useMulti" should only be set to true if all
> ZooKeeper servers in the cluster are on version 3.4+ and will not be
> downgraded. ZooKeeper versions before 3.4 do not support multi-update and
> will not fail gracefully if multi-update is invoked (see ZOOKEEPER-1495).
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