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Hadoop QA commented on HADOOP-1553: ----------------------------------- -1, build or testing failed 2 attempts failed to build and test the latest attachment http://issues.apache.org/jira/secure/attachment/12362983/new-log-2.patch against trunk revision r561603. Test results: http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch/500/testReport/ Console output: http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch/500/console Please note that this message is automatically generated and may represent a problem with the automation system and not the patch. > Extensive logging of C++ application can slow down task by an order of > magnitude > -------------------------------------------------------------------------------- > > Key: HADOOP-1553 > URL: https://issues.apache.org/jira/browse/HADOOP-1553 > Project: Hadoop > Issue Type: Bug > Components: mapred > Affects Versions: 0.13.0 > Reporter: Christian Kunz > Assignee: Owen O'Malley > Priority: Blocker > Fix For: 0.14.0 > > Attachments: new-log-2.patch > > > We observed that extensive logging (due to some configuration mistake) of a > c++ application using the pipes interface can slow down the task by an order > of magnitude. During that time disk usage was not high, with no abnormal > memory usage, and basically idle CPU. -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.