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https://issues.apache.org/jira/browse/HDFS-1112?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hairong Kuang reassigned HDFS-1112:
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Assignee: Hairong Kuang
> Edit log buffer should not grow unboundedly
> -------------------------------------------
>
> Key: HDFS-1112
> URL: https://issues.apache.org/jira/browse/HDFS-1112
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: name-node
> Affects Versions: 0.22.0
> Reporter: Hairong Kuang
> Assignee: Hairong Kuang
> Fix For: 0.22.0
>
>
> Currently HDFS does not impose an upper limit on the edit log buffer. In case
> there are a large number of open operations coming in with access time update
> on, since open does not call sync automatically, there is a possibility that
> the buffer grow to a large size, therefore causes memory leak and full GC in
> extreme cases as described in HDFS-1104.
> The edit log buffer should be automatically flushed when the buffer becomes
> full.
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