[jira] [Commented] (HDFS-14794) [SBN read] reportBadBlock is rejected by Observer.
[
https://issues.apache.org/jira/browse/HDFS-14794?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17541339#comment-17541339
]
Masatake Iwasaki commented on HDFS-14794:
-
updated the target version for preparing 2.10.2 release.
> [SBN read] reportBadBlock is rejected by Observer.
> --
>
> Key: HDFS-14794
> URL: https://issues.apache.org/jira/browse/HDFS-14794
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: namenode
>Affects Versions: 2.10.0
>Reporter: Konstantin Shvachko
>Priority: Major
>
> {{reportBadBlock}} is rejected by Observer via StandbyException
> {code}StandbyException: Operation category WRITE is not supported in state
> observer{code}
> We should investigate what are the consequences of this and if we should
> treat {{reportBadBlock}} as IBRs. Note that {{reportBadBlock}} is a part of
> both {{ClientProtocol}} and {{DatanodeProtocol}}
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[jira] [Commented] (HDFS-14794) [SBN read] reportBadBlock is rejected by Observer.
[
https://issues.apache.org/jira/browse/HDFS-14794?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17190565#comment-17190565
]
Masatake Iwasaki commented on HDFS-14794:
-
updated the target version for preparing 2.10.1 release.
> [SBN read] reportBadBlock is rejected by Observer.
> --
>
> Key: HDFS-14794
> URL: https://issues.apache.org/jira/browse/HDFS-14794
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: namenode
>Affects Versions: 2.10.0
>Reporter: Konstantin Shvachko
>Priority: Major
>
> {{reportBadBlock}} is rejected by Observer via StandbyException
> {code}StandbyException: Operation category WRITE is not supported in state
> observer{code}
> We should investigate what are the consequences of this and if we should
> treat {{reportBadBlock}} as IBRs. Note that {{reportBadBlock}} is a part of
> both {{ClientProtocol}} and {{DatanodeProtocol}}
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[jira] [Commented] (HDFS-14794) [SBN read] reportBadBlock is rejected by Observer.
[
https://issues.apache.org/jira/browse/HDFS-14794?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16964455#comment-16964455
]
Wei-Chiu Chuang commented on HDFS-14794:
reportBadBlock is initiated by client or DataNode when they detect a block is
bad.
And then it is up to the active NameNode to schedule a replica for the bad
block / invalidation.
There would be a period of time where observer thinks a bad block is still
good. But hopefully the duration is short. Client would retry other replicas
IIRC. It's might be okay for observer to process reportBadBlock and mark a
block replica corrupt but it should not try to schedule block replication/
invalidation.
> [SBN read] reportBadBlock is rejected by Observer.
> --
>
> Key: HDFS-14794
> URL: https://issues.apache.org/jira/browse/HDFS-14794
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: namenode
>Affects Versions: 2.10.0
>Reporter: Konstantin Shvachko
>Priority: Major
>
> {{reportBadBlock}} is rejected by Observer via StandbyException
> {code}StandbyException: Operation category WRITE is not supported in state
> observer{code}
> We should investigate what are the consequences of this and if we should
> treat {{reportBadBlock}} as IBRs. Note that {{reportBadBlock}} is a part of
> both {{ClientProtocol}} and {{DatanodeProtocol}}
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[jira] [Commented] (HDFS-14794) [SBN read] reportBadBlock is rejected by Observer.
[
https://issues.apache.org/jira/browse/HDFS-14794?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16940656#comment-16940656
]
Surendra Singh Lilhore commented on HDFS-14794:
---
Root cause of this bad block is HDFS-14794. We also saw the same in Observer
namenode.
> [SBN read] reportBadBlock is rejected by Observer.
> --
>
> Key: HDFS-14794
> URL: https://issues.apache.org/jira/browse/HDFS-14794
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: namenode
>Affects Versions: 2.10.0
>Reporter: Konstantin Shvachko
>Priority: Major
>
> {{reportBadBlock}} is rejected by Observer via StandbyException
> {code}StandbyException: Operation category WRITE is not supported in state
> observer{code}
> We should investigate what are the consequences of this and if we should
> treat {{reportBadBlock}} as IBRs. Note that {{reportBadBlock}} is a part of
> both {{ClientProtocol}} and {{DatanodeProtocol}}
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