[
https://issues.apache.org/jira/browse/HDFS-15641?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Hongbing Wang updated HDFS-15641:
---------------------------------
Comment: was deleted
(was: Thanks [~ferhui] and [~hexiaoqiao] .
{quote}
is it OK with one datanode?
{quote}
Yes, one dn also works for this patch. So I improved UT with one dn.
[^HDFS-15641.addendum.patch] is a addendum patch after v003. )
> 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, HDFS-15641.addendum.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
--
This message was sent by Atlassian Jira
(v8.3.4#803005)
---------------------------------------------------------------------
To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org
For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
