[jira] [Commented] (HDFS-6871) Improve NameNode performance when creating file

2014-08-25 Thread Yi Liu (JIRA)
[ https://issues.apache.org/jira/browse/HDFS-6871?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14110068#comment-14110068 ] Yi Liu commented on HDFS-6871: -- [~daryn], about removing blocks after the lock is released and

[jira] [Commented] (HDFS-6871) Improve NameNode performance when creating file

2014-08-25 Thread Daryn Sharp (JIRA)
[ https://issues.apache.org/jira/browse/HDFS-6871?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14109776#comment-14109776 ] Daryn Sharp commented on HDFS-6871: --- Currently, when the write lock is released the block

[jira] [Commented] (HDFS-6871) Improve NameNode performance when creating file

2014-08-21 Thread Vinayakumar B (JIRA)
[ https://issues.apache.org/jira/browse/HDFS-6871?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14106392#comment-14106392 ] Vinayakumar B commented on HDFS-6871: - Thanks [~umamahesh] for pointing to Jira. > Imp

[jira] [Commented] (HDFS-6871) Improve NameNode performance when creating file

2014-08-21 Thread Uma Maheswara Rao G (JIRA)
[ https://issues.apache.org/jira/browse/HDFS-6871?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14106389#comment-14106389 ] Uma Maheswara Rao G commented on HDFS-6871: --- We have one HDFS-2975 > Improve Nam

[jira] [Commented] (HDFS-6871) Improve NameNode performance when creating file

2014-08-21 Thread Vinayakumar B (JIRA)
[ https://issues.apache.org/jira/browse/HDFS-6871?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14106388#comment-14106388 ] Vinayakumar B commented on HDFS-6871: - Similar to Create+Overwrite, we need to delete b

[jira] [Commented] (HDFS-6871) Improve NameNode performance when creating file

2014-08-20 Thread Yi Liu (JIRA)
[ https://issues.apache.org/jira/browse/HDFS-6871?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14104929#comment-14104929 ] Yi Liu commented on HDFS-6871: -- Besides using one single editlog record for creating file + ov

[jira] [Commented] (HDFS-6871) Improve NameNode performance when creating file

2014-08-20 Thread Yi Liu (JIRA)
[ https://issues.apache.org/jira/browse/HDFS-6871?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14104895#comment-14104895 ] Yi Liu commented on HDFS-6871: -- [~daryn], thanks for your comment. If I understand your commen

[jira] [Commented] (HDFS-6871) Improve NameNode performance when creating file

2014-08-20 Thread Jing Zhao (JIRA)
[ https://issues.apache.org/jira/browse/HDFS-6871?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14104523#comment-14104523 ] Jing Zhao commented on HDFS-6871: - bq. If we're going to deal with this case correctly, is

[jira] [Commented] (HDFS-6871) Improve NameNode performance when creating file

2014-08-20 Thread Colin Patrick McCabe (JIRA)
[ https://issues.apache.org/jira/browse/HDFS-6871?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14104458#comment-14104458 ] Colin Patrick McCabe commented on HDFS-6871: OK, so if I understand [~daryn] an

[jira] [Commented] (HDFS-6871) Improve NameNode performance when creating file

2014-08-20 Thread Hadoop QA (JIRA)
[ https://issues.apache.org/jira/browse/HDFS-6871?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14104114#comment-14104114 ] Hadoop QA commented on HDFS-6871: - {color:red}-1 overall{color}. Here are the results of t

[jira] [Commented] (HDFS-6871) Improve NameNode performance when creating file

2014-08-20 Thread Daryn Sharp (JIRA)
[ https://issues.apache.org/jira/browse/HDFS-6871?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14103984#comment-14103984 ] Daryn Sharp commented on HDFS-6871: --- My only concern which I don't have cycles to investi

[jira] [Commented] (HDFS-6871) Improve NameNode performance when creating file

2014-08-20 Thread Hadoop QA (JIRA)
[ https://issues.apache.org/jira/browse/HDFS-6871?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14103743#comment-14103743 ] Hadoop QA commented on HDFS-6871: - {color:green}+1 overall{color}. Here are the results of

[jira] [Commented] (HDFS-6871) Improve NameNode performance when creating file

2014-08-20 Thread Yi Liu (JIRA)
[ https://issues.apache.org/jira/browse/HDFS-6871?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14103571#comment-14103571 ] Yi Liu commented on HDFS-6871: -- Thanks [~umamaheswararao] and [~vinayrpet], I get your point.

[jira] [Commented] (HDFS-6871) Improve NameNode performance when creating file

2014-08-20 Thread Vinayakumar B (JIRA)
[ https://issues.apache.org/jira/browse/HDFS-6871?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14103543#comment-14103543 ] Vinayakumar B commented on HDFS-6871: - [~umamaheswararao] and me discussed. This could

[jira] [Commented] (HDFS-6871) Improve NameNode performance when creating file

2014-08-20 Thread Uma Maheswara Rao G (JIRA)
[ https://issues.apache.org/jira/browse/HDFS-6871?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14103527#comment-14103527 ] Uma Maheswara Rao G commented on HDFS-6871: --- Nice catch Yi! Thanks a lot for wor

[jira] [Commented] (HDFS-6871) Improve NameNode performance when creating file

2014-08-19 Thread Yi Liu (JIRA)
[ https://issues.apache.org/jira/browse/HDFS-6871?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14103233#comment-14103233 ] Yi Liu commented on HDFS-6871: -- Thanks [~cmccabe] for review, I will add the comment and updat

[jira] [Commented] (HDFS-6871) Improve NameNode performance when creating file

2014-08-19 Thread Colin Patrick McCabe (JIRA)
[ https://issues.apache.org/jira/browse/HDFS-6871?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14103197#comment-14103197 ] Colin Patrick McCabe commented on HDFS-6871: Sure, we could have an overwrite f

[jira] [Commented] (HDFS-6871) Improve NameNode performance when creating file

2014-08-19 Thread Jing Zhao (JIRA)
[ https://issues.apache.org/jira/browse/HDFS-6871?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14103073#comment-14103073 ] Jing Zhao commented on HDFS-6871: - Or can we just use one single editlog record for (create

[jira] [Commented] (HDFS-6871) Improve NameNode performance when creating file

2014-08-19 Thread Hadoop QA (JIRA)
[ https://issues.apache.org/jira/browse/HDFS-6871?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14103038#comment-14103038 ] Hadoop QA commented on HDFS-6871: - {color:red}-1 overall{color}. Here are the results of t

[jira] [Commented] (HDFS-6871) Improve NameNode performance when creating file

2014-08-19 Thread Colin Patrick McCabe (JIRA)
[ https://issues.apache.org/jira/browse/HDFS-6871?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14102559#comment-14102559 ] Colin Patrick McCabe commented on HDFS-6871: Good idea. Can you add a comment