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https://issues.apache.org/jira/browse/HDFS-14593?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16883122#comment-16883122
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Íñigo Goiri commented on HDFS-14593:
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The old Collections.singleton was kind of nice.
I understand that now as we remove this does not allow it?
If we need to change to ArrayList, let's create it empty and add the element
instead of creating on asList.
> 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,
> HDFS-14593.006.patch, HDFS-14593.007.patch, HDFS-14593.008.patch,
> HDFS-14593.009.patch
>
>
> Currently, any router seems to exist in the Router Information eternally.
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