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Posted to notifications@accumulo.apache.org by "John Vines (JIRA)" <ji...@apache.org> on 2014/01/28 23:57:38 UTC
[jira] [Resolved] (ACCUMULO-2266) TServer should ensure wal
settings are valid for underlying FS
[ https://issues.apache.org/jira/browse/ACCUMULO-2266?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
John Vines resolved ACCUMULO-2266.
----------------------------------
Resolution: Fixed
> TServer should ensure wal settings are valid for underlying FS
> --------------------------------------------------------------
>
> Key: ACCUMULO-2266
> URL: https://issues.apache.org/jira/browse/ACCUMULO-2266
> Project: Accumulo
> Issue Type: Bug
> Components: tserver
> Affects Versions: 1.5.0
> Reporter: Sean Busbey
> Assignee: John Vines
> Priority: Critical
> Fix For: 1.5.1, 1.6.0
>
>
> ACCUMULO-2264 revealed a problem in how the tserver handles conflicts between its settings and the restrictions of the underlying fs.
> In the case of ACCUMULO-2264, if the tserver is configured with a wal block size less than that allowed by HDFS the tserver sits in an infinite loop.
> The tserver should probably be checking for the minimum blocksize (the property is dfs.namenode.fs-limits.min-block-size) and then either issuing a WARN/ERROR to the client and using the minimum or failing loudly and refusing to start. I favor the latter.
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