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Posted to dev@zookeeper.apache.org by "Thawan Kooburat (JIRA)" <ji...@apache.org> on 2013/03/02 04:33:13 UTC

[jira] [Commented] (ZOOKEEPER-1552) Enable sync request processor in Observer

    [ https://issues.apache.org/jira/browse/ZOOKEEPER-1552?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13591250#comment-13591250 ] 

Thawan Kooburat commented on ZOOKEEPER-1552:
--------------------------------------------

I can change list this a bug instead of an improvement, so that it is eligible for 3.4 branch. When we use the observer, we expected that it will also write to txnlog but it actually don't. 
                
> 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
>
>
> 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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