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https://issues.apache.org/jira/browse/HDFS-17671?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17900231#comment-17900231
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ASF GitHub Bot commented on HDFS-17671:
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xinglin opened a new pull request, #7180:
URL: https://github.com/apache/hadoop/pull/7180
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### Description of PR
HDFS-17671 Suppress callstack when adding a datanode to deadnodes. These are
non-fatal errors and showing callstack in the log confuses users.
### How was this patch tested?
mvn package
### For code changes:
- [ ] Does the title or this PR starts with the corresponding JIRA issue id
(e.g. 'HADOOP-17799. Your PR title ...')?
- [ ] Object storage: have the integration tests been executed and the
endpoint declared according to the connector-specific documentation?
- [ ] If adding new dependencies to the code, are these dependencies
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> Suppress callstack in LOG.warn() when we add a datanode to deadnode list
> -------------------------------------------------------------------------
>
> Key: HDFS-17671
> URL: https://issues.apache.org/jira/browse/HDFS-17671
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: hdfs
> Reporter: Xing Lin
> Assignee: Xing Lin
> Priority: Trivial
>
> Right now, we print the callstack whenever we add a datanode to deadnodes.
> Whenever a user sees a couple of these callstacks, they would think hdfs is
> having some issue. We should suppress the callstack for these retriable
> errors.
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