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https://issues.apache.org/jira/browse/ZOOKEEPER-3352?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16825661#comment-16825661
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maoling commented on ZOOKEEPER-3352:
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[~belugabehr]
1.if we pick up a LSM one, we should really take care and test the issue.e.g:
random read,write amplification
2.IMO, a LMDB/B+tree one is more appropriate for the system like zk which is
read-heavy and it also have a good write perfermace.
e.g https://github.com/lmdbjava/lmdbjava
> Use LevelDB For Backend
> -----------------------
>
> Key: ZOOKEEPER-3352
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-3352
> Project: ZooKeeper
> Issue Type: New Feature
> Components: server
> Reporter: David Mollitor
> Assignee: David Mollitor
> Priority: Critical
> 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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