[jira] [Commented] (SPARK-2468) zero-copy shuffle network communication

2014-07-31 Thread Raymond Liu (JIRA)
[ https://issues.apache.org/jira/browse/SPARK-2468?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14080657#comment-14080657 ] Raymond Liu commented on SPARK-2468: so, is there anyone working on this? zero-copy

[jira] [Commented] (SPARK-2468) zero-copy shuffle network communication

2014-07-31 Thread Reynold Xin (JIRA)
[ https://issues.apache.org/jira/browse/SPARK-2468?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14081357#comment-14081357 ] Reynold Xin commented on SPARK-2468: It's something I'd like to prototype for 1.2. Do

[jira] [Commented] (SPARK-2468) zero-copy shuffle network communication

2014-07-14 Thread Mridul Muralidharan (JIRA)
[ https://issues.apache.org/jira/browse/SPARK-2468?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14060543#comment-14060543 ] Mridul Muralidharan commented on SPARK-2468: We map the file content and

[jira] [Commented] (SPARK-2468) zero-copy shuffle network communication

2014-07-14 Thread Mridul Muralidharan (JIRA)
[ https://issues.apache.org/jira/browse/SPARK-2468?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14060545#comment-14060545 ] Mridul Muralidharan commented on SPARK-2468: Writing mmap'ed buffers are

[jira] [Commented] (SPARK-2468) zero-copy shuffle network communication

2014-07-14 Thread Reynold Xin (JIRA)
[ https://issues.apache.org/jira/browse/SPARK-2468?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14060937#comment-14060937 ] Reynold Xin commented on SPARK-2468: We do use mmap for large blocks. However, most of

[jira] [Commented] (SPARK-2468) zero-copy shuffle network communication

2014-07-14 Thread Mridul Muralidharan (JIRA)
[ https://issues.apache.org/jira/browse/SPARK-2468?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14061094#comment-14061094 ] Mridul Muralidharan commented on SPARK-2468: Ah, small files - those are