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https://issues.apache.org/jira/browse/ZOOKEEPER-3352?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16814372#comment-16814372
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maoling commented on ZOOKEEPER-3352:
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A good issue.That will be a huge work.
1. zk is read-heavy system,so LSM data structure may be not a good option.
2. For the reference the design of etcd-v3 which used boltDB(the
https://github.com/boltdb/bolt) as the backend store engine.
https://github.com/etcd-io/etcd/issues/2646
I also find this:mavibot,
https://github.com/apache/directory-mavibot
https://directory.apache.org/mavibot/user-guide.html
3.Before we choose the new backend store engine,we need to take the following
into consideration:
Does it support b-tree?, mvcc?
Does it support tranctions?
Is it light-weight, embedded?
it has been endorsed by other famous system?
> 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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