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https://issues.apache.org/jira/browse/HDFS-7054?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14365801#comment-14365801
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Colin Patrick McCabe commented on HDFS-7054:
--------------------------------------------
The "new" findbugs warnings are all from YARN, which is not changed in this
patch:
{code}
IS Inconsistent synchronization of
org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.AllocationFileLoaderService.reloadListener;
locked 50% of time
IS Inconsistent synchronization of
org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler.allocConf;
locked 80% of time
IS Inconsistent synchronization of
org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler.fsOpDurations;
locked 66% of time
IS Inconsistent synchronization of
org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler.updateInterval;
locked 75% of time
{code}
similarly none of the "new warnings" are in files changed by this patch, so
they seem like false positive.
> Make DFSOutputStream tracing more fine-grained
> ----------------------------------------------
>
> Key: HDFS-7054
> URL: https://issues.apache.org/jira/browse/HDFS-7054
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: datanode, namenode
> Affects Versions: 2.6.0
> Reporter: Colin Patrick McCabe
> Assignee: Colin Patrick McCabe
> Attachments: HDFS-7054.001.patch, HDFS-7054.002.patch
>
>
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