[jira] [Commented] (MAPREDUCE-3628) DFSIO read throughput is decreased by 16% in 0.23 than Hadoop-0.20.204 on 350 nodes size cluster.

2012-02-19 Thread Amol Kekre (Commented) (JIRA)
[ https://issues.apache.org/jira/browse/MAPREDUCE-3628?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13211674#comment-13211674 ] Amol Kekre commented on MAPREDUCE-3628: --- throughput decrease is now 4%. This jir

[jira] [Commented] (MAPREDUCE-3628) DFSIO read throughput is decreased by 16% in 0.23 than Hadoop-0.20.204 on 350 nodes size cluster.

2012-02-06 Thread Amol Kekre (Commented) (JIRA)
[ https://issues.apache.org/jira/browse/MAPREDUCE-3628?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13201547#comment-13201547 ] Amol Kekre commented on MAPREDUCE-3628: --- Throughput decrease was 10% with 6% CPU

[jira] [Commented] (MAPREDUCE-3628) DFSIO read throughput is decreased by 16% in 0.23 than Hadoop-0.20.204 on 350 nodes size cluster.

2012-01-06 Thread Amol Kekre (Commented) (JIRA)
[ https://issues.apache.org/jira/browse/MAPREDUCE-3628?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13181528#comment-13181528 ] Amol Kekre commented on MAPREDUCE-3628: --- Todd, thanks for the update. We are tak

[jira] [Commented] (MAPREDUCE-3628) DFSIO read throughput is decreased by 16% in 0.23 than Hadoop-0.20.204 on 350 nodes size cluster.

2012-01-06 Thread Todd Lipcon (Commented) (JIRA)
[ https://issues.apache.org/jira/browse/MAPREDUCE-3628?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13181510#comment-13181510 ] Todd Lipcon commented on MAPREDUCE-3628: k, my hunch is that it's probably MR-

[jira] [Commented] (MAPREDUCE-3628) DFSIO read throughput is decreased by 16% in 0.23 than Hadoop-0.20.204 on 350 nodes size cluster.

2012-01-06 Thread Kihwal Lee (Commented) (JIRA)
[ https://issues.apache.org/jira/browse/MAPREDUCE-3628?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13181391#comment-13181391 ] Kihwal Lee commented on MAPREDUCE-3628: --- I believe it was TestDFSIO. {noformat}

[jira] [Commented] (MAPREDUCE-3628) DFSIO read throughput is decreased by 16% in 0.23 than Hadoop-0.20.204 on 350 nodes size cluster.

2012-01-05 Thread Todd Lipcon (Commented) (JIRA)
[ https://issues.apache.org/jira/browse/MAPREDUCE-3628?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13181113#comment-13181113 ] Todd Lipcon commented on MAPREDUCE-3628: Which test case are you using here? I