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From "Bill Havanki (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ACCUMULO-1923) warning at the end of a MapReduce job
Date Tue, 10 Dec 2013 18:44:07 GMT

    [ https://issues.apache.org/jira/browse/ACCUMULO-1923?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13844521#comment-13844521
] 

Bill Havanki commented on ACCUMULO-1923:
----------------------------------------

The extra ZK instances are being created by {{AccumuloInputFormat}} ({{InputFormatBase}},
actually) and {{AccumuloOutputFormat}}, so this is not as simple a fix as it initially seemed.

> warning at the end of a MapReduce job
> -------------------------------------
>
>                 Key: ACCUMULO-1923
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-1923
>             Project: Accumulo
>          Issue Type: Bug
>          Components: client
>         Environment: development single node, hadoop 2.2, 
>            Reporter: Eric Newton
>            Assignee: Bill Havanki
>             Fix For: 1.4.5, 1.5.1, 1.6.0
>
>
> While running the randomwalk tests I saw this at the end of a map/reduce job:
> {noformat}
> 22 16:56:30,583 [client.ZooKeeperInstance] WARN : ZooKeeperInstance being cleaned up
without being closed. Please remember to call close() before dereferencing to clean up threads.
> {noformat}
> This came just after the warning:
> {noformat}
> 22 16:56:31,742 [sequential.MapRedVerify] DEBUG: Dropping table: sequential_hostname_1385157013877_MR
> {noformat}



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