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https://issues.apache.org/jira/browse/ZOOKEEPER-866?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13010495#comment-13010495
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Mahadev konar commented on ZOOKEEPER-866:
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maya/jurgen,
I am happy to see good results. Some folks wanted to use ZK for fine grained
locking and I had done this as a hack for them but they had done some extensive
experiments and had suggested to me that it did not help them. Please do run
some extensive tests to make sure it actually helps. I'd be happy to get this
into 3.4 release (though it needs a little more work).
> Adding no disk persistence option in zookeeper.
> -----------------------------------------------
>
> Key: ZOOKEEPER-866
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-866
> Project: ZooKeeper
> Issue Type: New Feature
> Reporter: Mahadev konar
> Assignee: Mahadev konar
> Fix For: 3.4.0
>
> Attachments: ZOOKEEPER-nodisk.patch
>
>
> Its been seen that some folks would like to use zookeeper for very fine
> grained locking. Also, in there use case they are fine with loosing all old
> zookeeper state if they reboot zookeeper or zookeeper goes down. The use case
> is more of a runtime locking wherein forgetting the state of locks is
> acceptable in case of a zookeeper reboot. Not logging to disk allows high
> throughput on and low latency on the writes to zookeeper. This would be a
> configuration option to set (ofcourse the default would be logging to disk).
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