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https://issues.apache.org/jira/browse/HDFS-9941?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15190259#comment-15190259
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ASF GitHub Bot commented on HDFS-9941:
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GitHub user arp7 opened a pull request:
https://github.com/apache/hadoop/pull/83
HDFS-9941. Do not log StandbyException on NN, other minor logging fixes.
v1 patch includes the following fixes:
# Suppress StandbyException log messages for NameNode.
# {{saveAllocatedBlock}} logs the block locations (DN xfer addresses).
# {{logBlockReplicationInfo}} logs to the blockStateChangeLog instead of
{{DecomissionManager#LOG}}. Also added a log level guard.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/arp7/hadoop HDFS-9941
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/hadoop/pull/83.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #83
----
commit fbf1bf7fd6d530687b2e9610b8c160e9c7a3fdcb
Author: Arpit Agarwal <[email protected]>
Date: 2016-03-10T19:17:17Z
HDFS-9941. Do not log StandbyException on NN, other minor logging fixes.
----
> Do not log StandbyException on NN, other minor logging fixes
> ------------------------------------------------------------
>
> Key: HDFS-9941
> URL: https://issues.apache.org/jira/browse/HDFS-9941
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: namenode
> Affects Versions: 2.8.0
> Reporter: Arpit Agarwal
> Assignee: Arpit Agarwal
>
> The NameNode can skip logging StandbyException messages. These are seen
> regularly in normal operation and convey no useful information.
> We no longer log the locations of newly allocated blocks in 2.8.0. The DN IDs
> can be useful for debugging so let's add that back.
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