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Posted to hdfs-issues@hadoop.apache.org by "Allen Wittenauer (JIRA)" <ji...@apache.org> on 2010/05/22 06:05:17 UTC

[jira] Commented: (HDFS-340) Allow MAX_XCEIVER_COUNT to be configured

    [ https://issues.apache.org/jira/browse/HDFS-340?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12870268#action_12870268 ] 

Allen Wittenauer commented on HDFS-340:
---------------------------------------

Those are the best ones. :)

> Allow MAX_XCEIVER_COUNT to be configured
> ----------------------------------------
>
>                 Key: HDFS-340
>                 URL: https://issues.apache.org/jira/browse/HDFS-340
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: Arun C Murthy
>
> Currently DataXcieverServer.java hardcodes MAX_XCEIVER_COUNT to 256. 
> I ran a randomwriter with 4k maps and output replication set to 40 - all write pipelines failed since each DataNode hit the above limit and refused connections.
> Should we consider making it configurable?

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