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Posted to hdfs-issues@hadoop.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2020/11/03 22:59:00 UTC
[jira] [Work logged] (HDFS-15562) StandbyCheckpointer will do
checkpoint repeatedly while connecting observer/active namenode failed
[ https://issues.apache.org/jira/browse/HDFS-15562?focusedWorklogId=507370&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-507370 ]
ASF GitHub Bot logged work on HDFS-15562:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 03/Nov/20 22:58
Start Date: 03/Nov/20 22:58
Worklog Time Spent: 10m
Work Description: aihuaxu opened a new pull request #2430:
URL: https://github.com/apache/hadoop/pull/2430
Standby namenode does the checkpoint and uploads the image to the other active/observer namenodes. If other namenodes, e.g., observers are down for maintenance, currently uploading will fail and retrigger the checkpoint and image uploading immediately. That is causing unnecessary network traffic. This patch logs a message when unloading fails and continue with the regular checkpoint schedule.
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Issue Time Tracking
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Worklog Id: (was: 507370)
Remaining Estimate: 0h
Time Spent: 10m
> StandbyCheckpointer will do checkpoint repeatedly while connecting observer/active namenode failed
> --------------------------------------------------------------------------------------------------
>
> Key: HDFS-15562
> URL: https://issues.apache.org/jira/browse/HDFS-15562
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: SunHao
> Assignee: Aihua Xu
> Priority: Major
> Attachments: HDFS-15562.patch
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> We find the standby namenode will do checkpoint over and over while connecting observer/active namenode failed.
> StandbyCheckpointer won't update “lastCheckpointTime” when upload new fsimage to the other namenode failed, so that the standby namenode will keep doing checkpoint repeatedly.
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