[jira] Commented: (PIG-480) PERFORMANCE: Use identity mapper in a chain of M-R jobs

2010-01-12 Thread Ying He (JIRA)
[ https://issues.apache.org/jira/browse/PIG-480?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=12799370#action_12799370 ] Ying He commented on PIG-480: - I did some tests with larger data set, and the results are

[jira] Commented: (PIG-480) PERFORMANCE: Use identity mapper in a chain of M-R jobs

2010-01-12 Thread Alan Gates (JIRA)
[ https://issues.apache.org/jira/browse/PIG-480?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=12799373#action_12799373 ] Alan Gates commented on PIG-480: So this code definitely wins in some instances and looses in

[jira] Commented: (PIG-480) PERFORMANCE: Use identity mapper in a chain of M-R jobs

2010-01-12 Thread Ying He (JIRA)
[ https://issues.apache.org/jira/browse/PIG-480?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=12799376#action_12799376 ] Ying He commented on PIG-480: - the option to turn it off is already there. Use

[jira] Commented: (PIG-480) PERFORMANCE: Use identity mapper in a chain of M-R jobs

2010-01-06 Thread Ying He (JIRA)
[ https://issues.apache.org/jira/browse/PIG-480?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=12797412#action_12797412 ] Ying He commented on PIG-480: - I did more performance tests. It shows the performance is related

[jira] Commented: (PIG-480) PERFORMANCE: Use identity mapper in a chain of M-R jobs

2010-01-06 Thread Hadoop QA (JIRA)
[ https://issues.apache.org/jira/browse/PIG-480?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=12797518#action_12797518 ] Hadoop QA commented on PIG-480: --- -1 overall. Here are the results of testing the latest

[jira] Commented: (PIG-480) PERFORMANCE: Use identity mapper in a chain of M-R jobs

2009-12-18 Thread Alan Gates (JIRA)
[ https://issues.apache.org/jira/browse/PIG-480?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=12792569#action_12792569 ] Alan Gates commented on PIG-480: What kind of performance gain do we get from this? The only

[jira] Commented: (PIG-480) PERFORMANCE: Use identity mapper in a chain of M-R jobs

2009-12-07 Thread Ying He (JIRA)
[ https://issues.apache.org/jira/browse/PIG-480?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=12787060#action_12787060 ] Ying He commented on PIG-480: - The javac warnings are caused by the references to hadoop

[jira] Commented: (PIG-480) PERFORMANCE: Use identity mapper in a chain of M-R jobs

2009-12-03 Thread Hadoop QA (JIRA)
[ https://issues.apache.org/jira/browse/PIG-480?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=12785801#action_12785801 ] Hadoop QA commented on PIG-480: --- -1 overall. Here are the results of testing the latest