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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ZOOKEEPER-2700) Force ZooKeeper to generate snapshot
Date Wed, 08 Mar 2017 00:50:38 GMT

    [ https://issues.apache.org/jira/browse/ZOOKEEPER-2700?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15900485#comment-15900485
] 

ASF GitHub Bot commented on ZOOKEEPER-2700:
-------------------------------------------

Github user hanm commented on a diff in the pull request:

    https://github.com/apache/zookeeper/pull/180#discussion_r104819835
  
    --- Diff: src/java/main/org/apache/zookeeper/server/ZooKeeperServer.java ---
    @@ -303,15 +305,38 @@ public void loadData() throws IOException, InterruptedException
{
     
         public void takeSnapshot(){
    --- End diff --
    
    >> we have an internal project named zkpipe, it read Zookeeper snapshot/binlog and
send it to a Kafka topic, our client could choose to rebuild the transaction or subscribe
the changes. I believe it will better than hack Zookeeper itself. If you have interested,
I could push it to github later.
    
    @flier This sounds interesting. I am sure there are users of ZooKeeper that could benefit
from this, because ZooKeeper does not work out of back for such backup scenarios. If you are
OK / allowed to open source this work I recommend put it on github.


> Force ZooKeeper to generate snapshot
> ------------------------------------
>
>                 Key: ZOOKEEPER-2700
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2700
>             Project: ZooKeeper
>          Issue Type: Improvement
>            Reporter: Flier Lu
>            Priority: Minor
>
> When cold backup or remote offline sync Zookeeper instances, we need the latest snapshot.
> Add a four letter `snap` command to force Zookeeper to generate snapshot.



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