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nkeywal commented on HBASE-6109: -------------------------------- testRegionInOpeningStateOnDeadRSWhileMasterFailover fails at this line: {noformat} public void testRegionInOpeningStateOnDeadRSWhileMasterFailover() throws IOException, KeeperException, ServiceException, InterruptedException { AssignmentManagerWithExtrasForTesting am = setUpMockedAssignmentManager(this.server, this.serverManager); ZKAssign.createNodeOffline(this.watcher, REGIONINFO, SERVERNAME_A); <============== FAILED HERE: KeeperErrorCode = NodeExists for /hbase/unassigned/5c7fe078551611acb0923a9ca0e1e1f4 {noformat} So it's more a test error. This node should be deleted in the after() clause of the previous, for whatever reason it was not or was recreated after the delete. Investigating... > Improve RIT performances during assignment on large clusters > ------------------------------------------------------------ > > Key: HBASE-6109 > URL: https://issues.apache.org/jira/browse/HBASE-6109 > Project: HBase > Issue Type: Improvement > Components: master > Affects Versions: 0.96.0 > Reporter: nkeywal > Assignee: nkeywal > Priority: Minor > Fix For: 0.96.0 > > Attachments: 6109.v19.patch, 6109.v21.patch, 6109.v7.patch > > > The main points in this patch are: > - lowering the number of copy of the RIT list > - lowering the number of synchronization > - synchronizing on a region rather than on everything > It also contains: > - some fixes around the RIT notification: the list was sometimes modified > without a corresponding 'notify'. > - some tests flakiness correction, actually unrelated to this patch. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira