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https://issues.apache.org/jira/browse/ZOOKEEPER-1552?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13650431#comment-13650431
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Thawan Kooburat commented on ZOOKEEPER-1552:
--------------------------------------------
I would say that we can also classify this jira as a bug as well in order to
put this into 3.4 branch. This is because many people assumed that the observer
is already writing to txnlog. Currently, it only writes a snapshot to disk
after the synchronization phase.
> Enable sync request processor in Observer
> -----------------------------------------
>
> Key: ZOOKEEPER-1552
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1552
> Project: ZooKeeper
> Issue Type: Improvement
> Components: quorum, server
> Affects Versions: 3.4.3
> Reporter: Thawan Kooburat
> Assignee: Thawan Kooburat
> Fix For: 3.5.0
>
> Attachments: ZOOKEEPER-1552.patch, ZOOKEEPER-1552.patch,
> ZOOKEEPER-1552.patch
>
>
> Observer doesn't forward its txns to SyncRequestProcessor. So it never
> persists the txns onto disk or periodically creates snapshots. This increases
> the start-up time since it will get the entire snapshot if the observer has
> be running for a long time.
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