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https://issues.apache.org/jira/browse/HDFS-16547?focusedWorklogId=758400&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-758400
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ASF GitHub Bot logged work on HDFS-16547:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 19/Apr/22 11:27
Start Date: 19/Apr/22 11:27
Worklog Time Spent: 10m
Work Description: tomscut opened a new pull request, #4201:
URL: https://github.com/apache/hadoop/pull/4201
JIRA: HDFS-16547.
Currently, when a Namenode is in safemode(under starting or enter safemode
manually), we can transfer this Namenode to Observer by command. This Observer
node may receive many requests and then throw a SafemodeException, this causes
unnecessary failover on the client.
So Namenode in safe mode should not be transfer to observer state.
Issue Time Tracking
-------------------
Worklog Id: (was: 758400)
Remaining Estimate: 0h
Time Spent: 10m
> [SBN read] Namenode in safe mode should not be transfer to observer state
> -------------------------------------------------------------------------
>
> Key: HDFS-16547
> URL: https://issues.apache.org/jira/browse/HDFS-16547
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: tomscut
> Assignee: tomscut
> Priority: Major
> Time Spent: 10m
> Remaining Estimate: 0h
>
> Currently, when a Namenode is in safemode(under starting or enter safemode
> manually), we can transfer this Namenode to Observer by command. This
> Observer node may receive many requests and then throw a SafemodeException,
> this causes unnecessary failover on the client.
> So Namenode in safe mode should not be transfer to observer state.
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