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https://issues.apache.org/jira/browse/HDFS-14812?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16921501#comment-16921501
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Mohammad Arshad commented on HDFS-14812:
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I checked HDFS-14812-trunk-002.patch.
This change will have performance impact on add/update/delete mount table entry
operations but given the fact that these operations are admin operation and
will not be used frequently, changes should be OK. Performance degradation
dependents on how much time is taken in RouterState cache update which intern
depends on number of records in it. [~xuzq_zander], can you please check if
this change does not have significant impact on those operations. Other than
this performance concern, changes LGTM
> RBF: MountTableRefresherService should load cache when refresh
> --------------------------------------------------------------
>
> Key: HDFS-14812
> URL: https://issues.apache.org/jira/browse/HDFS-14812
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: xuzq
> Assignee: xuzq
> Priority: Major
> Attachments: HDFS-14812-trunk-001.patch, HDFS-14812-trunk-002.patch
>
>
> MountTableRefresherService should load routerStore when refresh mount table.
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