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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ZOOKEEPER-2700) Force ZooKeeper to generate snapshot
Date Mon, 20 Feb 2017 13:13:44 GMT

    [ https://issues.apache.org/jira/browse/ZOOKEEPER-2700?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15874511#comment-15874511
] 

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

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

    https://github.com/apache/zookeeper/pull/180#discussion_r101969629
  
    --- Diff: src/java/main/org/apache/zookeeper/server/ZooKeeperServer.java ---
    @@ -126,6 +125,9 @@
         private final ZooKeeperServerListener listener;
         private ZooKeeperServerShutdownHandler zkShutdownHandler;
     
    +    private volatile long lastSnapshotZxid;
    +    private AtomicInteger isGeneratingSnapshot = new AtomicInteger(0);
    --- End diff --
    
    You could use an `AtomicBoolean` here, right?
    
    Make `isGeneratingSnapshot` **final**, please.


> 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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