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[HBASE-7103] Need to fail split if SPLIT znode is deleted even before the split is completed. - HBase - [issue]
...This came up after the following mail in dev list'infinite loop of RS_ZK_REGION_SPLIT on .94.2'.The following is the reason for the problemThe following steps happen-> Initially the paren...
http://issues.apache.org/jira/browse/HBASE-7103    Author: ramkrishna.s.vasudevan, 2012-12-03, 21:47
[HBASE-6854] Deletion of SPLITTING node on split rollback should clear the region from RIT - HBase - [issue]
...If a failure happens in split before OFFLINING_PARENT, we tend to rollback the split including deleting the znodes created.On deletion of the RS_ZK_SPLITTING node we are getting a callback b...
http://issues.apache.org/jira/browse/HBASE-6854    Author: ramkrishna.s.vasudevan, 2012-11-09, 23:44
[HBASE-6070] AM.nodeDeleted and SSH races creating problems for regions under SPLIT - HBase - [issue]
...We tried to address the problems in Master restart and RS restart while SPLIT region is in progress as part of HBASE-5806.While doing some more we found still there is one race condition.-&g...
http://issues.apache.org/jira/browse/HBASE-6070    Author: ramkrishna.s.vasudevan, 2012-10-27, 05:32
[HBASE-6997] HRegion.mutateRows() should check for blocking memstore size and if the region is closing. - HBase - [issue]
...Currently HRegion.mutateRows() does not call startRegionOperation() and checkResources().  Ideally before doing mutateRows() the memstore size and 'closing' flag should be checked....
http://issues.apache.org/jira/browse/HBASE-6997    Author: ramkrishna.s.vasudevan, 2012-10-18, 05:25
[HBASE-6246] Admin.move without specifying destination does not go through AccessController - HBase - [issue]
...if (destServerName == null || destServerName.length == 0) {      LOG.info("Passed destination servername is null/empty so " +        "choosing a ...
http://issues.apache.org/jira/browse/HBASE-6246    Author: ramkrishna.s.vasudevan, 2012-10-12, 06:36
[HBASE-6900] RegionScanner.reseek() creates NPE when a flush or compaction happens before the reseek. - HBase - [issue]
...HBASE-5520 introduced reseek() on the RegionScanner.  Now when a scanner is created we have the StoreScanner heap.  After this if a flush or compaction happens parallely all the St...
http://issues.apache.org/jira/browse/HBASE-6900    Author: ramkrishna.s.vasudevan, 2012-10-06, 03:35
[HBASE-6438] RegionAlreadyInTransitionException needs to give more info to avoid assignment inconsistencies - HBase - [issue]
...Seeing some of the recent issues in region assignment, RegionAlreadyInTransitionException is one reason after which the region assignment may or may not happen(in the sense we need to wait f...
http://issues.apache.org/jira/browse/HBASE-6438    Author: ramkrishna.s.vasudevan, 2012-10-05, 03:59
[HBASE-6784] TestCoprocessorScanPolicy is sometimes flaky when run locally - HBase - [issue]
...The problem is not seen in jenkins build.  When we run TestCoprocessorScanPolicy.testBaseCases locally or in our internal jenkins we tend to get random failures.  The reason is the...
http://issues.apache.org/jira/browse/HBASE-6784    Author: ramkrishna.s.vasudevan, 2012-09-27, 17:07
[HBASE-6698] Refactor checkAndPut and checkAndDelete to use doMiniBatchMutation - HBase - [issue]
...Currently the checkAndPut and checkAndDelete api internally calls the internalPut and internalDelete.  May be we can just call doMiniBatchMutationonly.  This will help in future li...
http://issues.apache.org/jira/browse/HBASE-6698    Author: ramkrishna.s.vasudevan, 2012-09-21, 11:38
[HBASE-4748] Race between creating recovered edits for META and master assigning ROOT and META. - HBase - [issue]
...1. Start a cluster.2. Alter a table3. Restart the master using ./hbase-daemon.sh restart master4. Kill the RS after master restarts.5. Start RS again.6. No table operations can be performed ...
http://issues.apache.org/jira/browse/HBASE-4748    Author: ramkrishna.s.vasudevan, 2012-08-28, 19:16
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