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https://issues.apache.org/jira/browse/HDFS-16088?focusedWorklogId=618891&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-618891
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ASF GitHub Bot logged work on HDFS-16088:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 06/Jul/21 06:35
Start Date: 06/Jul/21 06:35
Worklog Time Spent: 10m
Work Description: tomscut commented on pull request #3140:
URL: https://github.com/apache/hadoop/pull/3140#issuecomment-874499453
Thanks @Hexiaoqiao for your comments and suggestions. I fixed the problems.
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Issue Time Tracking
-------------------
Worklog Id: (was: 618891)
Time Spent: 3h (was: 2h 50m)
> 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: Major
> Labels: pull-request-available
> Attachments: standyby-ipcserver.jpg
>
> Time Spent: 3h
> Remaining Estimate: 0h
>
> As with HDFS-13183, NameNodeConnector#getLiveDatanodeStorageReport() can also
> request to SNN to reduce the ANN load.
> There are two points that need to be mentioned:
> 1. FSNamesystem#getDatanodeStorageReport() is OperationCategory.UNCHECKED,
> so we can access SNN directly.
> 2. We can share the same UT(testBalancerRequestSBNWithHA) with
> NameNodeConnector#getBlocks().
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