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https://issues.apache.org/jira/browse/ZOOKEEPER-1030?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13061198#comment-13061198
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Hudson commented on ZOOKEEPER-1030:
-----------------------------------
Integrated in ZooKeeper-trunk #1236 (See
[https://builds.apache.org/job/ZooKeeper-trunk/1236/])
ZOOKEEPER-1073. address a documentation issue in ZOOKEEPER-1030. (phunt via
mahadev)
mahadev :
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1143688
Files :
* /zookeeper/trunk/docs/zookeeperOver.html
* /zookeeper/trunk/docs/zookeeperStarted.pdf
* /zookeeper/trunk/docs/zookeeperProgrammers.html
* /zookeeper/trunk/docs/zookeeperObservers.html
* /zookeeper/trunk/docs/releasenotes.pdf
* /zookeeper/trunk/docs/zookeeperTutorial.pdf
* /zookeeper/trunk/docs/zookeeperJMX.html
* /zookeeper/trunk/docs/skin/screen.css
* /zookeeper/trunk/docs/zookeeperAdmin.pdf
* /zookeeper/trunk/docs/index.pdf
* /zookeeper/trunk/docs/zookeeperAdmin.html
* /zookeeper/trunk/docs/zookeeperJMX.pdf
* /zookeeper/trunk/docs/zookeeperInternals.pdf
* /zookeeper/trunk/docs/javaExample.html
* /zookeeper/trunk/docs/skin/basic.css
* /zookeeper/trunk/docs/bookkeeperStarted.html
* /zookeeper/trunk/docs/zookeeperObservers.pdf
* /zookeeper/trunk/docs/zookeeperProgrammers.pdf
* /zookeeper/trunk/docs/zookeeperStarted.html
* /zookeeper/trunk/docs/bookkeeperOverview.html
* /zookeeper/trunk/docs/linkmap.html
* /zookeeper/trunk/docs/bookkeeperOverview.pdf
* /zookeeper/trunk/docs/linkmap.pdf
* /zookeeper/trunk/docs/bookkeeperProgrammer.html
* /zookeeper/trunk/docs/recipes.pdf
* /zookeeper/trunk/docs/bookkeeperStarted.pdf
* /zookeeper/trunk/docs/zookeeperQuotas.pdf
* /zookeeper/trunk/docs/javaExample.pdf
* /zookeeper/trunk/docs/bookkeeperStream.pdf
* /zookeeper/trunk/docs/zookeeperInternals.html
* /zookeeper/trunk/docs/bookkeeperConfig.pdf
* /zookeeper/trunk/docs/zookeeperHierarchicalQuorums.pdf
* /zookeeper/trunk/docs/index.html
* /zookeeper/trunk/docs/zookeeperHierarchicalQuorums.html
* /zookeeper/trunk/docs/bookkeeperConfig.html
* /zookeeper/trunk/docs/zookeeperTutorial.html
* /zookeeper/trunk/docs/bookkeeperStream.html
* /zookeeper/trunk/CHANGES.txt
* /zookeeper/trunk/docs/releasenotes.html
* /zookeeper/trunk/docs/zookeeperQuotas.html
* /zookeeper/trunk/src/docs/src/documentation/content/xdocs/zookeeperAdmin.xml
* /zookeeper/trunk/docs/recipes.html
* /zookeeper/trunk/docs/bookkeeperProgrammer.pdf
* /zookeeper/trunk/docs/zookeeperOver.pdf
> Increase default for maxClientCnxns
> -----------------------------------
>
> Key: ZOOKEEPER-1030
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1030
> Project: ZooKeeper
> Issue Type: Improvement
> Affects Versions: 3.2.2
> Reporter: Todd Lipcon
> Assignee: Todd Lipcon
> Priority: Trivial
> Fix For: 3.4.0
>
> Attachments: zk-1030.txt, zk-1030.txt
>
>
> The default for maxClientCnxns is 10, which is too low for many applications.
> For example, HBase users often run MR jobs where each task needs to use
> ZooKeeper to talk to HBase. This means that each slot on the tasktracker will
> have at least one ZK connection. With today's beefy machines, that's easily
> 20+ connections per node.
> I would suggest bumping the default to 60, which will still protect against
> runaway nodes (eg a leak in a tight loop) but won't impact MR jobs that need
> to talk to ZK.
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