[jira] [Commented] (HDFS-6450) Support non-positional hedged reads in HDFS

[ https://issues.apache.org/jira/browse/HDFS-6450?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16173490#comment-16173490 ] Hadoop QA commented on HDFS-6450: - | (x) *{color:red}-1 overall{color}* | \\ \\ || Vote || Subsystem ||

[jira] [Commented] (HDFS-6450) Support non-positional hedged reads in HDFS

[ https://issues.apache.org/jira/browse/HDFS-6450?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15903506#comment-15903506 ] Andrew Wang commented on HDFS-6450: --- I think it's fine to re-use the existing config, it seems unlikely

[jira] [Commented] (HDFS-6450) Support non-positional hedged reads in HDFS

[ https://issues.apache.org/jira/browse/HDFS-6450?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15902444#comment-15902444 ] stack commented on HDFS-6450: - [~elgoiri] Ignore my comment above. I thought this the resolved positional

[jira] [Commented] (HDFS-6450) Support non-positional hedged reads in HDFS

[ https://issues.apache.org/jira/browse/HDFS-6450?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15902152#comment-15902152 ] Inigo Goiri commented on HDFS-6450: --- Thanks [~andrew.wang]. Most of the hedging management is done

[jira] [Commented] (HDFS-6450) Support non-positional hedged reads in HDFS

[ https://issues.apache.org/jira/browse/HDFS-6450?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15902141#comment-15902141 ] Andrew Wang commented on HDFS-6450: --- Added [~thinktaocs] as a contributor, so can now be assigned JIRAs.

[jira] [Commented] (HDFS-6450) Support non-positional hedged reads in HDFS

[ https://issues.apache.org/jira/browse/HDFS-6450?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15901701#comment-15901701 ] Inigo Goiri commented on HDFS-6450: --- [~stack], we are trying to solve the exact same issue as this JIRA

[jira] [Commented] (HDFS-6450) Support non-positional hedged reads in HDFS

[ https://issues.apache.org/jira/browse/HDFS-6450?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15901691#comment-15901691 ] stack commented on HDFS-6450: - Open a new issue I'd say [~elgoiri]. Link it back here. > Support

[jira] [Commented] (HDFS-6450) Support non-positional hedged reads in HDFS

[ https://issues.apache.org/jira/browse/HDFS-6450?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15901684#comment-15901684 ] Inigo Goiri commented on HDFS-6450: --- In our own scenario, some Datanodes are very likely to be much

[jira] [Commented] (HDFS-6450) Support non-positional hedged reads in HDFS

[ https://issues.apache.org/jira/browse/HDFS-6450?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15806191#comment-15806191 ] Hadoop QA commented on HDFS-6450: - | (x) *{color:red}-1 overall{color}* | \\ \\ || Vote || Subsystem ||

[jira] [Commented] (HDFS-6450) Support non-positional hedged reads in HDFS

[ https://issues.apache.org/jira/browse/HDFS-6450?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14382682#comment-14382682 ] Colin Patrick McCabe commented on HDFS-6450: bq. Would be a (small) shame

[jira] [Commented] (HDFS-6450) Support non-positional hedged reads in HDFS

[ https://issues.apache.org/jira/browse/HDFS-6450?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14380745#comment-14380745 ] Andrew Purtell commented on HDFS-6450: -- bq. I think it's much easier to just implement

[jira] [Commented] (HDFS-6450) Support non-positional hedged reads in HDFS

[ https://issues.apache.org/jira/browse/HDFS-6450?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14351346#comment-14351346 ] Zhe Zhang commented on HDFS-6450: - Thanks for the suggestion Colin. Hedged pread is already

[jira] [Commented] (HDFS-6450) Support non-positional hedged reads in HDFS

[ https://issues.apache.org/jira/browse/HDFS-6450?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14350869#comment-14350869 ] Colin Patrick McCabe commented on HDFS-6450: I think it would be possible to

[jira] [Commented] (HDFS-6450) Support non-positional hedged reads in HDFS

[ https://issues.apache.org/jira/browse/HDFS-6450?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14349499#comment-14349499 ] Zhe Zhang commented on HDFS-6450: - In the erasure coding project we need to implement the

[jira] [Commented] (HDFS-6450) Support non-positional hedged reads in HDFS

[ https://issues.apache.org/jira/browse/HDFS-6450?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14349724#comment-14349724 ] Zhe Zhang commented on HDFS-6450: - I just posted a

[jira] [Commented] (HDFS-6450) Support non-positional hedged reads in HDFS

[ https://issues.apache.org/jira/browse/HDFS-6450?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14349867#comment-14349867 ] Liang Xie commented on HDFS-6450: - Thanks [~zhz] for the comments, i am not active in this

[jira] [Commented] (HDFS-6450) Support non-positional hedged reads in HDFS

[ https://issues.apache.org/jira/browse/HDFS-6450?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14066126#comment-14066126 ] Liang Xie commented on HDFS-6450: - bq. How is testHedgedReadBasic exercising the new

[jira] [Commented] (HDFS-6450) Support non-positional hedged reads in HDFS

[ https://issues.apache.org/jira/browse/HDFS-6450?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14063892#comment-14063892 ] Colin Patrick McCabe commented on HDFS-6450: Yeah... if the first read, done

[jira] [Commented] (HDFS-6450) Support non-positional hedged reads in HDFS

[ https://issues.apache.org/jira/browse/HDFS-6450?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14064564#comment-14064564 ] Liang Xie commented on HDFS-6450: - bq. I think in the short term, applications will have

[jira] [Commented] (HDFS-6450) Support non-positional hedged reads in HDFS

[ https://issues.apache.org/jira/browse/HDFS-6450?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14064598#comment-14064598 ] stack commented on HDFS-6450: - I like [~cmccabe]'s take and his suggestion on unsetting current

[jira] [Commented] (HDFS-6450) Support non-positional hedged reads in HDFS

[ https://issues.apache.org/jira/browse/HDFS-6450?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14061760#comment-14061760 ] Liang Xie commented on HDFS-6450: - After a deep looking, it's kind of hard to

[jira] [Commented] (HDFS-6450) Support non-positional hedged reads in HDFS

[ https://issues.apache.org/jira/browse/HDFS-6450?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14057296#comment-14057296 ] Hadoop QA commented on HDFS-6450: - {color:red}-1 overall{color}. Here are the results of

[jira] [Commented] (HDFS-6450) Support non-positional hedged reads in HDFS

[ https://issues.apache.org/jira/browse/HDFS-6450?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14053600#comment-14053600 ] Hadoop QA commented on HDFS-6450: - {color:red}-1 overall{color}. Here are the results of

[jira] [Commented] (HDFS-6450) Support non-positional hedged reads in HDFS

[ https://issues.apache.org/jira/browse/HDFS-6450?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14053324#comment-14053324 ] Liang Xie commented on HDFS-6450: - [~cmccabe] [~saint@gmail.com] I made a prototype

[jira] [Commented] (HDFS-6450) Support non-positional hedged reads in HDFS

[ https://issues.apache.org/jira/browse/HDFS-6450?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14012033#comment-14012033 ] Liang Xie commented on HDFS-6450: - will dive into it a couple of days later. Support