[jira] [Updated] (HDFS-17532) Allow router state store cache update to overwrite and delete in parallel

["ASF GitHub Bot (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HDFS-17532?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

ASF GitHub Bot updated HDFS-17532:
----------------------------------
    Labels: pull-request-available  (was: )

> Allow router state store cache update to overwrite and delete in parallel
> -------------------------------------------------------------------------
>
>                 Key: HDFS-17532
>                 URL: https://issues.apache.org/jira/browse/HDFS-17532
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: hdfs, rbf
>            Reporter: Felix N
>            Assignee: Felix N
>            Priority: Minor
>              Labels: pull-request-available
>
> Current implementation for router state store update is quite inefficient, so much that when routers are removed and a lot of NameNodeMembership records are deleted in a short burst, the deletions triggered a router safemode in our cluster and caused a lot of troubles.
> This ticket aims to allow the overwrite part and delete part of org.apache.hadoop.hdfs.server.federation.store.CachedRecordStore#overrideExpiredRecords to run in parallel.
> See HDFS-17529 for the other half of this improvement.



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