[jira] [Commented] (HBASE-5332) Deterministic Compaction Jitter

2012-02-21 Thread Prakash Khemani (Commented) (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-5332?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13212858#comment-13212858 ] Prakash Khemani commented on HBASE-5332: The major compactions are jittered so

[jira] [Commented] (HBASE-5347) GC free memory management in Level-1 Block Cache

2012-02-23 Thread Prakash Khemani (Commented) (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-5347?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13215085#comment-13215085 ] Prakash Khemani commented on HBASE-5347: Lars, you are right. I have been trying

[jira] [Commented] (HBASE-4932) Block cache can be mistakenly instantiated by tools

2012-02-24 Thread Prakash Khemani (Commented) (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-4932?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13215947#comment-13215947 ] Prakash Khemani commented on HBASE-4932: Yes ... It is a good to have patch.

[jira] [Commented] (HBASE-5270) Handle potential data loss due to concurrent processing of processFaileOver and ServerShutdownHandler

2012-02-27 Thread Prakash Khemani (Commented) (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-5270?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13217968#comment-13217968 ] Prakash Khemani commented on HBASE-5270: (I haven't read through the comments

[jira] [Commented] (HBASE-5270) Handle potential data loss due to concurrent processing of processFaileOver and ServerShutdownHandler

2012-02-28 Thread Prakash Khemani (Commented) (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-5270?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13218407#comment-13218407 ] Prakash Khemani commented on HBASE-5270: Assuming that the master uses the saved

[jira] [Commented] (HBASE-5270) Handle potential data loss due to concurrent processing of processFaileOver and ServerShutdownHandler

2012-02-29 Thread Prakash Khemani (Commented) (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-5270?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13219413#comment-13219413 ] Prakash Khemani commented on HBASE-5270: @Stack If we presume that the list of

[jira] [Commented] (HBASE-5528) Retry splitting log if failed in the process of ServerShutdownHandler, and abort master when retries exhausted

2012-03-06 Thread Prakash Khemani (Commented) (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-5528?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13223475#comment-13223475 ] Prakash Khemani commented on HBASE-5528: I think the log-splitting retry logic is

[jira] [Commented] (HBASE-5606) SplitLogManger async delete node hangs log splitting when ZK connection is lost

2012-03-21 Thread Prakash Khemani (Commented) (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-5606?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13234592#comment-13234592 ] Prakash Khemani commented on HBASE-5606: @Chinna It is the TimeoutMonitor that

[jira] [Commented] (HBASE-5606) SplitLogManger async delete node hangs log splitting when ZK connection is lost

2012-03-21 Thread Prakash Khemani (Commented) (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-5606?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13235297#comment-13235297 ] Prakash Khemani commented on HBASE-5606: The getDataSetWatch() call in the

[jira] [Commented] (HBASE-5606) SplitLogManger async delete node hangs log splitting when ZK connection is lost

2012-03-26 Thread Prakash Khemani (Commented) (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-5606?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13238794#comment-13238794 ] Prakash Khemani commented on HBASE-5606: @Jimmy This is similar to HBASE-5081

[jira] [Commented] (HBASE-5618) SplitLogManager - prevent unnecessary attempts to resubmits

2012-04-03 Thread Prakash Khemani (Commented) (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-5618?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13245790#comment-13245790 ] Prakash Khemani commented on HBASE-5618: sorry for the test failure. fixed and

[jira] [Commented] (HBASE-5606) SplitLogManger async delete node hangs log splitting when ZK connection is lost

2012-04-03 Thread Prakash Khemani (Commented) (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-5606?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13245797#comment-13245797 ] Prakash Khemani commented on HBASE-5606: Making the deletes synchronous doesn't

[jira] [Commented] (HBASE-5618) SplitLogManager - prevent unnecessary attempts to resubmits

2012-04-04 Thread Prakash Khemani (Commented) (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-5618?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13246874#comment-13246874 ] Prakash Khemani commented on HBASE-5618: TestColumnSeeking isn't failing for me.

[jira] [Commented] (HBASE-5029) TestDistributedLogSplitting fails on occasion

2011-12-19 Thread Prakash Khemani (Commented) (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-5029?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13172613#comment-13172613 ] Prakash Khemani commented on HBASE-5029: I have been running this test in a loop

[jira] [Commented] (HBASE-5029) TestDistributedLogSplitting fails on occasion

2011-12-19 Thread Prakash Khemani (Commented) (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-5029?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13172677#comment-13172677 ] Prakash Khemani commented on HBASE-5029: The cause for this error appears to be

[jira] [Commented] (HBASE-5081) Distributed log splitting deleteNode races against splitLog retry

2012-01-03 Thread Prakash Khemani (Commented) (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-5081?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13179320#comment-13179320 ] Prakash Khemani commented on HBASE-5081: Assuming splitlog failed, the delete of

[jira] [Commented] (HBASE-5081) Distributed log splitting deleteNode races against splitLog retry

2012-01-04 Thread Prakash Khemani (Commented) (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-5081?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13179891#comment-13179891 ] Prakash Khemani commented on HBASE-5081: The retry logic is in

[jira] [Commented] (HBASE-5081) Distributed log splitting deleteNode races against splitLog retry

2012-01-04 Thread Prakash Khemani (Commented) (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-5081?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13179894#comment-13179894 ] Prakash Khemani commented on HBASE-5081: Will look into the test failure. I am not

[jira] [Commented] (HBASE-5081) Distributed log splitting deleteNode races against splitLog retry

2012-01-04 Thread Prakash Khemani (Commented) (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-5081?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13179926#comment-13179926 ] Prakash Khemani commented on HBASE-5081: If there is a spurious wakeup before the

[jira] [Commented] (HBASE-5081) Distributed log splitting deleteNode races against splitLog retry

2012-01-04 Thread Prakash Khemani (Commented) (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-5081?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13180167#comment-13180167 ] Prakash Khemani commented on HBASE-5081: {code} +while (oldtask.status ==

[jira] [Commented] (HBASE-5081) Distributed log splitting deleteNode races against splitLog retry

2012-01-04 Thread Prakash Khemani (Commented) (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-5081?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13180206#comment-13180206 ] Prakash Khemani commented on HBASE-5081: Latest patch uploaded by Ted looks good.

[jira] [Commented] (HBASE-5136) Redundant MonitoredTask instances in case of distributed log splitting retry

2012-01-06 Thread Prakash Khemani (Commented) (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-5136?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13181777#comment-13181777 ] Prakash Khemani commented on HBASE-5136: it will be lot simpler to do

[jira] [Commented] (HBASE-5010) Filter HFiles based on TTL

2012-01-26 Thread Prakash Khemani (Commented) (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-5010?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13194454#comment-13194454 ] Prakash Khemani commented on HBASE-5010: This change is doesn't break HBASE-4721.

[jira] [Commented] (HBASE-5347) GC free memory management in Level-1 Block Cache

2012-02-08 Thread Prakash Khemani (Commented) (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-5347?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13203871#comment-13203871 ] Prakash Khemani commented on HBASE-5347: initial diff for feedback

[jira] [Commented] (HBASE-5313) Restructure hfiles layout for better compression

2012-02-08 Thread Prakash Khemani (Commented) (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-5313?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13203918#comment-13203918 ] Prakash Khemani commented on HBASE-5313: The values can be kept compressed in

[jira] [Commented] (HBASE-5347) GC free memory management in Level-1 Block Cache

2012-02-10 Thread Prakash Khemani (Commented) (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-5347?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13205647#comment-13205647 ] Prakash Khemani commented on HBASE-5347: another advantage of this approach will

[jira] [Commented] (HBASE-4696) HRegionThriftServer' might have to indefinitely do redirtects

2011-10-28 Thread Prakash Khemani (Commented) (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-4696?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13138891#comment-13138891 ] Prakash Khemani commented on HBASE-4696: looks good to me. thanks.

[jira] [Commented] (HBASE-4674) splitLog silently fails

2011-10-30 Thread Prakash Khemani (Commented) (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-4674?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13139857#comment-13139857 ] Prakash Khemani commented on HBASE-4674: Stack, it is pretty obvious in the code.

[jira] [Commented] (HBASE-4721) Retain Delete Markers after Major Compaction

2011-11-07 Thread Prakash Khemani (Commented) (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-4721?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13145785#comment-13145785 ] Prakash Khemani commented on HBASE-4721: I had started at a point where I thought

[jira] [Commented] (HBASE-4823) long running scans lose benefit of bloomfilters and timerange hints

2011-11-19 Thread Prakash Khemani (Commented) (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-4823?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13153655#comment-13153655 ] Prakash Khemani commented on HBASE-4823:

[jira] [Commented] (HBASE-4987) wrong use of incarnation var in SplitLogManager

2011-12-08 Thread Prakash Khemani (Commented) (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-4987?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13165766#comment-13165766 ] Prakash Khemani commented on HBASE-4987: Old issue HBASE-4855

[jira] [Commented] (HBASE-5013) NPE in HBaseClient$Connection.receiveResponse

2011-12-12 Thread Prakash Khemani (Commented) (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-5013?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13168168#comment-13168168 ] Prakash Khemani commented on HBASE-5013: It could be HBASE-4980. HBASE-4980 is