[jira] [Commented] (HADOOP-8198) Support multiple network interfaces

2012-04-11 Thread Nathan Roberts (Commented) (JIRA)
[ https://issues.apache.org/jira/browse/HADOOP-8198?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13251573#comment-13251573 ] Nathan Roberts commented on HADOOP-8198: Hi Eli, I'd really like to understand

[jira] [Commented] (HADOOP-4885) Try to restore failed replicas of Name Node storage (at checkpoint time)

2012-03-20 Thread Nathan Roberts (Commented) (JIRA)
[ https://issues.apache.org/jira/browse/HADOOP-4885?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13233469#comment-13233469 ] Nathan Roberts commented on HADOOP-4885: Quick question on this patch. Are there

[jira] [Commented] (HADOOP-4885) Try to restore failed replicas of Name Node storage (at checkpoint time)

2012-03-20 Thread Nathan Roberts (Commented) (JIRA)
[ https://issues.apache.org/jira/browse/HADOOP-4885?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13233868#comment-13233868 ] Nathan Roberts commented on HADOOP-4885: Thanks for the response Brandon. My real

[jira] [Commented] (HADOOP-7973) DistributedFileSystem close has severe consequences

2012-01-17 Thread Nathan Roberts (Commented) (JIRA)
[ https://issues.apache.org/jira/browse/HADOOP-7973?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13187756#comment-13187756 ] Nathan Roberts commented on HADOOP-7973: {quote} We'll experiment on a

[jira] [Commented] (HADOOP-7832) Using mincore to understand the effect of fadvise in the Linux page cache

2011-11-23 Thread Nathan Roberts (Commented) (JIRA)
[ https://issues.apache.org/jira/browse/HADOOP-7832?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13155935#comment-13155935 ] Nathan Roberts commented on HADOOP-7832: bq. On clusters with lots of blocks, we

[jira] [Commented] (HADOOP-7753) Support fadvise and sync_data_range in NativeIO, add ReadaheadPool class

2011-10-26 Thread Nathan Roberts (Commented) (JIRA)
[ https://issues.apache.org/jira/browse/HADOOP-7753?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13136451#comment-13136451 ] Nathan Roberts commented on HADOOP-7753: Hi Todd. I reviewed the patch and only

[jira] [Commented] (HADOOP-7753) Support fadvise and sync_data_range in NativeIO, add ReadaheadPool class

2011-10-26 Thread Nathan Roberts (Commented) (JIRA)
[ https://issues.apache.org/jira/browse/HADOOP-7753?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13136574#comment-13136574 ] Nathan Roberts commented on HADOOP-7753: Thanks Todd for the answers. I'm fine

[jira] [Commented] (HADOOP-7714) Add support in native libs for OS buffer cache management

2011-10-06 Thread Nathan Roberts (Commented) (JIRA)
[ https://issues.apache.org/jira/browse/HADOOP-7714?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13122003#comment-13122003 ] Nathan Roberts commented on HADOOP-7714: Yes nice improvement. Seems like it's

[jira] [Commented] (HADOOP-7714) Add support in native libs for OS buffer cache management

2011-10-06 Thread Nathan Roberts (Commented) (JIRA)
[ https://issues.apache.org/jira/browse/HADOOP-7714?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13122315#comment-13122315 ] Nathan Roberts commented on HADOOP-7714: I was referring to the read side,