[jira] [Assigned] (HDFS-15641) DataNode could meet deadlock if invoke refreshNameNode

2020-10-30 Thread Xiaoqiao He (Jira)


 [ 
https://issues.apache.org/jira/browse/HDFS-15641?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Xiaoqiao He reassigned HDFS-15641:
--

Assignee: Hongbing Wang  (was: Xiaoqiao He)

> DataNode could meet deadlock if invoke refreshNameNode
> --
>
> Key: HDFS-15641
> URL: https://issues.apache.org/jira/browse/HDFS-15641
> Project: Hadoop HDFS
>  Issue Type: Bug
>Affects Versions: 3.2.0
>Reporter: Hongbing Wang
>Assignee: Hongbing Wang
>Priority: Critical
> Fix For: 3.3.1, 3.4.0, 3.1.5, 3.2.3
>
> Attachments: HDFS-15641.001.patch, HDFS-15641.002.patch, 
> HDFS-15641.003.patch, deadlock.png, deadlock_fixed.png, jstack.log
>
>
> DataNode could meet deadlock when invoke `hdfs dfsadmin -refreshNamenodes 
> hostname:50020` to register a new namespace in federation env.
> The jstack is shown in jstack.log
>  The specific process is shown in Figure deadlock.png



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[jira] [Assigned] (HDFS-15641) DataNode could meet deadlock if invoke refreshNameNode

2020-10-30 Thread Xiaoqiao He (Jira)


 [ 
https://issues.apache.org/jira/browse/HDFS-15641?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Xiaoqiao He reassigned HDFS-15641:
--

Assignee: Xiaoqiao He  (was: Hongbing Wang)

> DataNode could meet deadlock if invoke refreshNameNode
> --
>
> Key: HDFS-15641
> URL: https://issues.apache.org/jira/browse/HDFS-15641
> Project: Hadoop HDFS
>  Issue Type: Bug
>Affects Versions: 3.2.0
>Reporter: Hongbing Wang
>Assignee: Xiaoqiao He
>Priority: Critical
> Fix For: 3.3.1, 3.4.0, 3.1.5, 3.2.3
>
> Attachments: HDFS-15641.001.patch, HDFS-15641.002.patch, 
> HDFS-15641.003.patch, deadlock.png, deadlock_fixed.png, jstack.log
>
>
> DataNode could meet deadlock when invoke `hdfs dfsadmin -refreshNamenodes 
> hostname:50020` to register a new namespace in federation env.
> The jstack is shown in jstack.log
>  The specific process is shown in Figure deadlock.png



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