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https://issues.apache.org/jira/browse/HDFS-14593?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16880967#comment-16880967
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Takanobu Asanuma commented on HDFS-14593:
-----------------------------------------
Thanks for your review, [~elgoiri]. Uploaded the 5th patch addressing your
comments. It uses {{GenericTestUtils.waitFor()}} for the unit tests.
{quote}What is the case in CachedRecordStore where the record should be deleted
but then when removing we get false?
{quote}
If router can't delete the record which should be deleted, router tries to
delete the record in the next loadCache.
Although I don't think it's a problem, I added a warn log for that case to the
latest patch.
> RBF: Implement deletion feature for expired records in State Store
> ------------------------------------------------------------------
>
> Key: HDFS-14593
> URL: https://issues.apache.org/jira/browse/HDFS-14593
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: rbf
> Reporter: Takanobu Asanuma
> Assignee: Takanobu Asanuma
> Priority: Major
> Attachments: HDFS-14593.001.patch, HDFS-14593.002.patch,
> HDFS-14593.003.patch, HDFS-14593.004.patch, HDFS-14593.005.patch
>
>
> Currently, any router seems to exist in the Router Information eternally.
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