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Posted to notifications@accumulo.apache.org by "Hudson (JIRA)" <ji...@apache.org> on 2012/12/10 22:11:21 UTC

[jira] [Commented] (ACCUMULO-879) Try to speed up MiniAccumuloCluster startup time

    [ https://issues.apache.org/jira/browse/ACCUMULO-879?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13528295#comment-13528295 ] 

Hudson commented on ACCUMULO-879:
---------------------------------

Integrated in Accumulo-Trunk #571 (See [https://builds.apache.org/job/Accumulo-Trunk/571/])
    ACCUMULO-879 Shaved ~1sec off Accumulo statup time by reacting to new tservers using zookeeper watchers (Revision 1419712)

     Result = SUCCESS
kturner : 
Files : 
* /accumulo/trunk/server/src/main/java/org/apache/accumulo/server/master/LiveTServerSet.java

                
> Try to speed up MiniAccumuloCluster startup time
> ------------------------------------------------
>
>                 Key: ACCUMULO-879
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-879
>             Project: Accumulo
>          Issue Type: Sub-task
>          Components: client
>            Reporter: Keith Turner
>             Fix For: 1.5.0
>
>
> I have looked a little bit into where the time is going when starting MiniAccumuloCluster, but I have not looked into how it could possibly be sped up.
> First a ZooKeeper server is started and then Accumulo initialize is run.   This takes about 1 second.   After this a master and tablet server are started.  It takes ~2 seconds from the time the tablet server starts until the root tablet is assigned.  I think these two places are where the bulk of the startup time is currently spent.

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