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Posted to hdfs-issues@hadoop.apache.org by "Felix N (Jira)" <ji...@apache.org> on 2024/05/17 10:44:00 UTC
[jira] [Updated] (HDFS-17529) Improve router state store cache update
[ https://issues.apache.org/jira/browse/HDFS-17529?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Felix N updated HDFS-17529:
---------------------------
Description:
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 contains 2 parts: improving the deletion process for ZK state store implementation, and allowing the overwrite part and delete part of org.apache.hadoop.hdfs.server.federation.store.CachedRecordStore#overrideExpiredRecords to run in parallel.
was:
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 contains 2 parts: improving the deletion process for ZK state store implementation, and allowing the overwrite part and delete part of
> Improve router state store cache update
> ---------------------------------------
>
> Key: HDFS-17529
> URL: https://issues.apache.org/jira/browse/HDFS-17529
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: hdfs, rbf
> Reporter: Felix N
> Assignee: Felix N
> Priority: Major
>
> 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 contains 2 parts: improving the deletion process for ZK state store implementation, and allowing the overwrite part and delete part of org.apache.hadoop.hdfs.server.federation.store.CachedRecordStore#overrideExpiredRecords to run in parallel.
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