zookeeper-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ZOOKEEPER-2700) Force ZooKeeper to generate snapshot
Date Mon, 20 Feb 2017 14:27:44 GMT

    [ https://issues.apache.org/jira/browse/ZOOKEEPER-2700?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15874599#comment-15874599
] 

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

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

    https://github.com/apache/zookeeper/pull/180#discussion_r102028465
  
    --- 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 --
    
    In fact, I'm not sure whether Zookeeper backend threads will take snapshot in parallel.
So, I choose to use a `AtomicInteger` to protect manual call `takeSnapshot`.


> 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.



--
This message was sent by Atlassian JIRA
(v6.3.15#6346)

Mime
View raw message