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From "Brian Nixon (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ZOOKEEPER-3352) Use LevelDB For Backend
Date Tue, 09 Apr 2019 19:43:00 GMT

    [ https://issues.apache.org/jira/browse/ZOOKEEPER-3352?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16813760#comment-16813760
] 

Brian Nixon commented on ZOOKEEPER-3352:
----------------------------------------

We've been curious whether wiring ZooKeeper on top of RocksDB could give similar performance
benefits that Instagram saw with putting Apache Cassandra on top of RocksDB ([https://instagram-engineering.com/open-sourcing-a-10x-reduction-in-apache-cassandra-tail-latency-d64f86b43589]
for some details). Something like this ticket that involves abstracting out the data storage
components would be useful for us.

> Use LevelDB For Backend
> -----------------------
>
>                 Key: ZOOKEEPER-3352
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-3352
>             Project: ZooKeeper
>          Issue Type: Improvement
>          Components: server
>            Reporter: David Mollitor
>            Assignee: David Mollitor
>            Priority: Major
>             Fix For: 4.0.0
>
>
> Use LevelDB for managing data stored in ZK (transaction logs and snapshots).
> https://stackoverflow.com/questions/6779669/does-leveldb-support-java



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