[jira] [Commented] (MAPREDUCE-3235) Improve CPU cache behavior in map side sort

2013-08-15 Thread Sandy Ryza (JIRA)
[ https://issues.apache.org/jira/browse/MAPREDUCE-3235?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13741329#comment-13741329 ] Sandy Ryza commented on MAPREDUCE-3235: --- Creating subtasks for the two items so

[jira] [Commented] (MAPREDUCE-3235) Improve CPU cache behavior in map side sort

2012-11-07 Thread Gopal V (JIRA)
[ https://issues.apache.org/jira/browse/MAPREDUCE-3235?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13492822#comment-13492822 ] Gopal V commented on MAPREDUCE-3235: Yes, approximately 90M. The patch I've put u

[jira] [Commented] (MAPREDUCE-3235) Improve CPU cache behavior in map side sort

2012-11-07 Thread Todd Lipcon (JIRA)
[ https://issues.apache.org/jira/browse/MAPREDUCE-3235?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13492758#comment-13492758 ] Todd Lipcon commented on MAPREDUCE-3235: Hi Gopal. I agree the patch isn't sui

[jira] [Commented] (MAPREDUCE-3235) Improve CPU cache behavior in map side sort

2012-11-07 Thread Gopal V (JIRA)
[ https://issues.apache.org/jira/browse/MAPREDUCE-3235?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13492599#comment-13492599 ] Gopal V commented on MAPREDUCE-3235: For a sort set of 100 x 99171 unique strings

[jira] [Commented] (MAPREDUCE-3235) Improve CPU cache behavior in map side sort

2012-11-07 Thread Gopal V (JIRA)
[ https://issues.apache.org/jira/browse/MAPREDUCE-3235?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13492371#comment-13492371 ] Gopal V commented on MAPREDUCE-3235: My descending sorter fails to sort words in r

[jira] [Commented] (MAPREDUCE-3235) Improve CPU cache behavior in map side sort

2012-07-04 Thread Hal Mo (JIRA)
[ https://issues.apache.org/jira/browse/MAPREDUCE-3235?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13406452#comment-13406452 ] Hal Mo commented on MAPREDUCE-3235: --- bq. I guess you're working with Krystal Mok? Co

[jira] [Commented] (MAPREDUCE-3235) Improve CPU cache behavior in map side sort

2012-06-18 Thread Todd Lipcon (JIRA)
[ https://issues.apache.org/jira/browse/MAPREDUCE-3235?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13396222#comment-13396222 ] Todd Lipcon commented on MAPREDUCE-3235: bq. BTW, I know you are interested in

[jira] [Commented] (MAPREDUCE-3235) Improve CPU cache behavior in map side sort

2012-06-16 Thread Hal Mo (JIRA)
[ https://issues.apache.org/jira/browse/MAPREDUCE-3235?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13296127#comment-13296127 ] Hal Mo commented on MAPREDUCE-3235: --- @Todd bq. How did the wall clock differ? Almos

[jira] [Commented] (MAPREDUCE-3235) Improve CPU cache behavior in map side sort

2012-06-15 Thread Todd Lipcon (JIRA)
[ https://issues.apache.org/jira/browse/MAPREDUCE-3235?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13296110#comment-13296110 ] Todd Lipcon commented on MAPREDUCE-3235: Nice test. So, the 13% improvement is

[jira] [Commented] (MAPREDUCE-3235) Improve CPU cache behavior in map side sort

2012-06-15 Thread Hal Mo (JIRA)
[ https://issues.apache.org/jira/browse/MAPREDUCE-3235?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13296065#comment-13296065 ] Hal Mo commented on MAPREDUCE-3235: --- > Todd Lipcon added a comment - 15/Jun/12 21:15

[jira] [Commented] (MAPREDUCE-3235) Improve CPU cache behavior in map side sort

2012-06-15 Thread Todd Lipcon (JIRA)
[ https://issues.apache.org/jira/browse/MAPREDUCE-3235?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13295927#comment-13295927 ] Todd Lipcon commented on MAPREDUCE-3235: bq. Unit test passed, and got 10% imp

[jira] [Commented] (MAPREDUCE-3235) Improve CPU cache behavior in map side sort

2012-05-31 Thread Hal Mo (JIRA)
[ https://issues.apache.org/jira/browse/MAPREDUCE-3235?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13287093#comment-13287093 ] Hal Mo commented on MAPREDUCE-3235: --- >Todd Lipcon added a comment - 21/Oct/11 15:24

[jira] [Commented] (MAPREDUCE-3235) Improve CPU cache behavior in map side sort

2011-10-21 Thread Chris Douglas (Commented) (JIRA)
[ https://issues.apache.org/jira/browse/MAPREDUCE-3235?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13133214#comment-13133214 ] Chris Douglas commented on MAPREDUCE-3235: -- bq. One optimization there would

[jira] [Commented] (MAPREDUCE-3235) Improve CPU cache behavior in map side sort

2011-10-21 Thread Todd Lipcon (Commented) (JIRA)
[ https://issues.apache.org/jira/browse/MAPREDUCE-3235?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13132744#comment-13132744 ] Todd Lipcon commented on MAPREDUCE-3235: I didn't have a chance to run several

[jira] [Commented] (MAPREDUCE-3235) Improve CPU cache behavior in map side sort

2011-10-21 Thread Binglin Chang (Commented) (JIRA)
[ https://issues.apache.org/jira/browse/MAPREDUCE-3235?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13132531#comment-13132531 ] Binglin Chang commented on MAPREDUCE-3235: -- Very cool, again. bq. On a teraso

[jira] [Commented] (MAPREDUCE-3235) Improve CPU cache behavior in map side sort

2011-10-20 Thread Todd Lipcon (Commented) (JIRA)
[ https://issues.apache.org/jira/browse/MAPREDUCE-3235?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13132097#comment-13132097 ] Todd Lipcon commented on MAPREDUCE-3235: bq. Todd, why do the proxies have to

[jira] [Commented] (MAPREDUCE-3235) Improve CPU cache behavior in map side sort

2011-10-20 Thread Milind Bhandarkar (Commented) (JIRA)
[ https://issues.apache.org/jira/browse/MAPREDUCE-3235?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13132048#comment-13132048 ] Milind Bhandarkar commented on MAPREDUCE-3235: -- Todd, why do the proxies

[jira] [Commented] (MAPREDUCE-3235) Improve CPU cache behavior in map side sort

2011-10-20 Thread Todd Lipcon (Commented) (JIRA)
[ https://issues.apache.org/jira/browse/MAPREDUCE-3235?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13131949#comment-13131949 ] Todd Lipcon commented on MAPREDUCE-3235: oops, accidentally uploaded the wrong

[jira] [Commented] (MAPREDUCE-3235) Improve CPU cache behavior in map side sort

2011-10-20 Thread Todd Lipcon (Commented) (JIRA)
[ https://issues.apache.org/jira/browse/MAPREDUCE-3235?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13131934#comment-13131934 ] Todd Lipcon commented on MAPREDUCE-3235: bq. -1 for the second. The key distri

[jira] [Commented] (MAPREDUCE-3235) Improve CPU cache behavior in map side sort

2011-10-20 Thread Chris Douglas (Commented) (JIRA)
[ https://issues.apache.org/jira/browse/MAPREDUCE-3235?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13131901#comment-13131901 ] Chris Douglas commented on MAPREDUCE-3235: -- Very cool. bq. The key distribut

[jira] [Commented] (MAPREDUCE-3235) Improve CPU cache behavior in map side sort

2011-10-20 Thread Milind Bhandarkar (Commented) (JIRA)
[ https://issues.apache.org/jira/browse/MAPREDUCE-3235?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13131871#comment-13131871 ] Milind Bhandarkar commented on MAPREDUCE-3235: -- +1 for the first improvem