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Posted to hdfs-issues@hadoop.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2021/06/25 03:04:00 UTC
[jira] [Updated] (HDFS-16088) Standby NameNode process
getLiveDatanodeStorageReport request to reduce Active load
[ https://issues.apache.org/jira/browse/HDFS-16088?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
ASF GitHub Bot updated HDFS-16088:
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Labels: pull-request-available (was: )
> Standby NameNode process getLiveDatanodeStorageReport request to reduce Active load
> -----------------------------------------------------------------------------------
>
> Key: HDFS-16088
> URL: https://issues.apache.org/jira/browse/HDFS-16088
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: tomscut
> Assignee: tomscut
> Priority: Minor
> Labels: pull-request-available
> Time Spent: 10m
> Remaining Estimate: 0h
>
> As with [HDFS-13183|https://issues.apache.org/jira/browse/HDFS-13183], NameNodeConnector#getLiveDatanodeStorageReport() can also request to SNN to reduce the ANN load.
> There are two points that need to be mentioned:
> 1. NameNodeConnector#getLiveDatanodeStorageReport() is OperationCategory.UNCHECKED in FSNamesystem, so we can access SNN directly.
> 2. We can share the same UT(testBalancerRequestSBNWithHA) with NameNodeConnector#getBlocks().
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