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https://issues.apache.org/jira/browse/HDFS-4979?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13710444#comment-13710444
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Suresh Srinivas commented on HDFS-4979:
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bq. Would it make sense then to generalize RetryCache to a common file rather
than an inner class of FSNamesystem?
Yes. That is the plan.
My comment from earlier (lost in other comments):
bq. This patch currently uses a simple LightWeightGSet for implementing the
retry cache. It currently does not support limiting the number of cache entries
or ejecting entries in the cache based on timeout (design proposed keeping
entries for 10 minutes). The RetryCache should also move common, so that it can
be used by other server that may want to use it.
> Implement retry cache on the namenode
> -------------------------------------
>
> Key: HDFS-4979
> URL: https://issues.apache.org/jira/browse/HDFS-4979
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: namenode
> Reporter: Suresh Srinivas
> Assignee: Suresh Srinivas
> Attachments: HDFS-4979.1.patch, HDFS-4979.2.patch, HDFS-4979.patch
>
>
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