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Posted to hdfs-issues@hadoop.apache.org by "Matt Foley (JIRA)" <ji...@apache.org> on 2011/04/12 05:50:05 UTC

[jira] [Assigned] (HDFS-1806) TestBlockReport.blockReport_08() and _09() are timing-dependent and likely to fail on fast servers

     [ https://issues.apache.org/jira/browse/HDFS-1806?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Matt Foley reassigned HDFS-1806:
--------------------------------

    Assignee: Matt Foley

> TestBlockReport.blockReport_08() and _09() are timing-dependent and likely to fail on fast servers
> --------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-1806
>                 URL: https://issues.apache.org/jira/browse/HDFS-1806
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: data-node, name-node
>    Affects Versions: 0.22.0
>            Reporter: Matt Foley
>            Assignee: Matt Foley
>         Attachments: TestBlockReport.java.patch, blockReport_08_failure_log.html
>
>
> Method waitForTempReplica() polls every 100ms during block replication, attempting to "catch" a datanode in the state of having a TEMPORARY replica.  But examination of a current Hudson test failure log shows that the replica goes from "start" to "TEMPORARY" to "FINALIZED" in only 50ms, so of course the poll usually misses it.

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