[ http://issues.apache.org/jira/browse/HADOOP-443?page=all ]
Yoram Arnon updated HADOOP-443:
-------------------------------
Component/s: dfs
> optionally ignore a bad entry in namenode state when starting up
> ----------------------------------------------------------------
>
> Key: HADOOP-443
> URL: http://issues.apache.org/jira/browse/HADOOP-443
> Project: Hadoop
> Issue Type: Improvement
> Components: dfs
> Reporter: Yoram Arnon
>
> if the namenode state (fsimage, edits) contains a bad entry, the namenode
> refused to start.
> Normally that's a good thing, alerting the administrator that something's
> corrupted.
> An option to ignore those entries is useful for recovering from such a
> condition. Anyone but a hard core developer would be helpless in the face of
> a corruption like that, and would prefer to lose a couple of records and be
> able to run than to be down, or remove the entire state of dfs.
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