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Re: HConnectionManager$HConnectionImplementation.locateRegionInMeta - HBase - [mail # user]
...bq. Anoop attached backported patch in HBASE-8655. It should go into 0.94.9, the next release - current is 0.94.8  In case you want it sooner, you can apply 8655 patch and test/verify i...
   Author: Himanshu Vashishtha, 2013-05-30, 16:48
[HBASE-8612] Fix TestMetaScanner.testConcurrentMetaScannerAndCatalogJanitor failure - HBase - [issue]
...Got this test failure:REGRESSION:  org.apache.hadoop.hbase.client.TestMetaScanner.testConcurrentMetaScannerAndCatalogJanitorError Message:Split daughter region testConcurrentMetaScanner...
http://issues.apache.org/jira/browse/HBASE-8612    Author: Himanshu Vashishtha, 2013-05-24, 22:58
[expand - 1 more] - Re: RS crash upon replication - HBase - [mail # user]
...That sounds like a bug for sure. Could you create a jira with logs/znode dump/steps to reproduce it?  Thanks, himanshu   On Wed, May 22, 2013 at 5:01 PM, Varun Sharma  wrote: ...
   Author: Himanshu Vashishtha, 2013-05-23, 00:40
Re: [jira] [Resolved] (HBASE-8591) Doc Improvement: Replication blog - HBase - [mail # dev]
...Since the source metrics would not be available in case the master cluster is down, your best bet would be "sink.ageOfLastAppliedOp" at the slave cluster.  Its value is the timestamp of...
   Author: Himanshu Vashishtha, 2013-05-22, 18:00
[HBASE-8591] Doc Improvement: Replication blog - HBase - [issue]
...Add a section for source level metrics and some truth about table batch ops at sink....
http://issues.apache.org/jira/browse/HBASE-8591    Author: Himanshu Vashishtha, 2013-05-22, 13:52
[HBASE-7970] Improve file descriptor usage: currently, there are two file descriptors per storefile - HBase - [issue]
...This is because there are two open calls in the HFile: one with checksum and another for without checksum support in v2:see the method in HFile:createReaderWithEncoding()FSDataInputStream fs...
http://issues.apache.org/jira/browse/HBASE-7970    Author: Himanshu Vashishtha, 2013-04-29, 22:40
[HBASE-8395] Remove TestFromClientSide.testPoolBehavior - HBase - [issue]
...This test tests the underlying ThreadPoolExecutor's thread management, and has nothing to do with HBase functionality. I suggest we should delete it....
http://issues.apache.org/jira/browse/HBASE-8395    Author: Himanshu Vashishtha, 2013-04-24, 13:22
[HBASE-7937] Retry log rolling to support HA NN scenario - HBase - [issue]
...A failure in log rolling causes regionserver abort. In case of HA NN, it will be good if there is a retry mechanism to roll the logs.A corresponding jira for MemStore retries is HBASE-7507....
http://issues.apache.org/jira/browse/HBASE-7937    Author: Himanshu Vashishtha, 2013-04-24, 06:44
[HBASE-8102] Replication NodeFailoverWorker should check other rs znodes before proceeding - HBase - [issue]
...NodeFailoverWorker takes the dead rs znode and starts processing it (moving the log znodes under it, etc). Even a regionserver restart will trigger this znodes movement. This cause some othe...
http://issues.apache.org/jira/browse/HBASE-8102    Author: Himanshu Vashishtha, 2013-04-23, 20:26
Re: Under Heavy Write Load + Replication On : Brings All My Region Servers Dead - HBase - [mail # user]
...Hello Ameya,  Sorry to hear that.  You have two options:  1) Apply HBase-8099 patch to your version. ( https://issues.apache.org/jira/browse/HBASE-8099) The patch is simple, s...
   Author: Himanshu Vashishtha, 2013-04-18, 05:48
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