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Posted to issues@hbase.apache.org by "Ted Yu (JIRA)" <ji...@apache.org> on 2013/09/05 03:01:44 UTC
[jira] [Updated] (HBASE-9441) Intermittent
TestRegionPlacement#testRegionPlacement failure
[ https://issues.apache.org/jira/browse/HBASE-9441?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ted Yu updated HBASE-9441:
--------------------------
Attachment: 9441-v1.txt
Patch v1 waits for region transition to complete before obtaining region placement report.
> Intermittent TestRegionPlacement#testRegionPlacement failure
> ------------------------------------------------------------
>
> Key: HBASE-9441
> URL: https://issues.apache.org/jira/browse/HBASE-9441
> Project: HBase
> Issue Type: Test
> Reporter: Ted Yu
> Assignee: Ted Yu
> Priority: Minor
> Attachments: 9441-v1.txt
>
>
> Occasionally TestRegionPlacement#testRegionPlacement fails due to no region found on secondary / tertiary region server.
> In the following test output, 10359edcfb1a761f94ab6d5b559c2278 was the region from the killed region server:
> {code}
> 2013-09-04 23:28:25,127 INFO [pool-1-thread-1] util.FSUtils(1878): Scan DFS for locality info takes 38 ms
> Region Assignment Verification for Table: testRegionAssignment
> Total regions : 10
> Total regions on favored nodes 10
> Total regions on PRIMARY region servers: 10
> Total regions on SECONDARY region servers: 0
> Total regions on TERTIARY region servers: 0
> ...
> 2013-09-04 23:28:25,130 DEBUG [pool-1-thread-1-EventThread] zookeeper.ZooKeeperWatcher(312): master:37502-0x140eb4dc4ef0000 Received ZooKeeper Event, type=NodeDataChanged, state=SyncConnected, path=/hbase/region-in-transition/10359edcfb1a761f94ab6d5b559c2278
> 2013-09-04 23:28:25,130 DEBUG [RS_OPEN_REGION-kiyo:49841-1] zookeeper.ZKAssign(861): regionserver:49841-0x140eb4dc4ef0007 Transitioned node 10359edcfb1a761f94ab6d5b559c2278 from RS_ZK_REGION_OPENING to RS_ZK_REGION_OPENED
> 2013-09-04 23:28:25,131 DEBUG [RS_OPEN_REGION-kiyo:49841-1] handler.OpenRegionHandler(386): Transitioned 10359edcfb1a761f94ab6d5b559c2278 to OPENED in zk on kiyo.gq1.ygridcore.net,49841,1378337278470
> 2013-09-04 23:28:25,131 DEBUG [RS_OPEN_REGION-kiyo:49841-1] handler.OpenRegionHandler(187): Opened hbase:namespace,,1378337284888.10359edcfb1a761f94ab6d5b559c2278. on kiyo.gq1.ygridcore.net,49841,1378337278470
> 2013-09-04 23:28:25,132 DEBUG [AM.ZK.Worker-pool2-t6] master.AssignmentManager(801): Handling transition=RS_ZK_REGION_OPENED, server=kiyo.gq1.ygridcore.net,49841,1378337278470, region=10359edcfb1a761f94ab6d5b559c2278, current state from region state map ={10359edcfb1a761f94ab6d5b559c2278 state=OPENING, ts=1378337305025, server=kiyo.gq1.ygridcore.net,49841,1378337278470}
> 2013-09-04 23:28:25,132 INFO [AM.ZK.Worker-pool2-t6] master.RegionStates(263): Transitioned from {10359edcfb1a761f94ab6d5b559c2278 state=OPENING, ts=1378337305025, server=kiyo.gq1.ygridcore.net,49841,1378337278470} to {10359edcfb1a761f94ab6d5b559c2278 state=OPEN, ts=1378337305132, server=kiyo.gq1.ygridcore.net,49841,1378337278470}
> 2013-09-04 23:28:25,132 DEBUG [AM.ZK.Worker-pool2-t6] handler.OpenedRegionHandler(150): Handling OPENED event for 10359edcfb1a761f94ab6d5b559c2278 from kiyo.gq1.ygridcore.net,49841,1378337278470; deleting unassigned node
> 2013-09-04 23:28:25,132 DEBUG [AM.ZK.Worker-pool2-t6] zookeeper.ZKAssign(405): master:37502-0x140eb4dc4ef0000 Deleting existing unassigned node 10359edcfb1a761f94ab6d5b559c2278 in expected state RS_ZK_REGION_OPENED
> 2013-09-04 23:28:25,188 INFO [pool-1-thread-1] hbase.ResourceChecker(171): after: master.TestRegionPlacement#testRegionPlacement Thread=873 (was 814)
> Potentially hanging thread: RS_OPEN_REGION-kiyo:53373-2
> ...
> - Thread LEAK? -, OpenFileDescriptor=1061 (was 1033) - OpenFileDescriptor LEAK? -, MaxFileDescriptor=32768 (was 32768), SystemLoadAverage=549 (was 609), ProcessCount=489 (was 489), AvailableMemoryMB=9288 (was 9107) - AvailableMemoryMB LEAK? -, ConnectionCount=23 (was 22) - ConnectionCount LEAK? -
> 2013-09-04 23:28:25,189 WARN [pool-1-thread-1] hbase.ResourceChecker(134): Thread=873 is superior to 500
> 2013-09-04 23:28:25,190 WARN [pool-1-thread-1] hbase.ResourceChecker(134): OpenFileDescriptor=1061 is superior to 1024
> 2013-09-04 23:28:25,223 DEBUG [pool-1-thread-1-EventThread] zookeeper.ZooKeeperWatcher(312): master:37502-0x140eb4dc4ef0000 Received ZooKeeper Event, type=NodeDeleted, state=SyncConnected, path=/hbase/region-in-transition/10359edcfb1a761f94ab6d5b559c2278
> 2013-09-04 23:28:25,224 DEBUG [pool-1-thread-1-EventThread] zookeeper.ZooKeeperWatcher(312): master:37502-0x140eb4dc4ef0000 Received ZooKeeper Event, type=NodeChildrenChanged, state=SyncConnected, path=/hbase/region-in-transition
> 2013-09-04 23:28:25,224 DEBUG [AM.ZK.Worker-pool2-t6] zookeeper.ZKAssign(434): master:37502-0x140eb4dc4ef0000 Deleted unassigned node 10359edcfb1a761f94ab6d5b559c2278 in expected state RS_ZK_REGION_OPENED
> 2013-09-04 23:28:25,225 DEBUG [AM.ZK.Worker-pool2-t6] master.AssignmentManager$4(1276): Znode hbase:namespace,,1378337284888.10359edcfb1a761f94ab6d5b559c2278. deleted, state: {10359edcfb1a761f94ab6d5b559c2278 state=OPEN, ts=1378337305132, server=kiyo.gq1.ygridcore.net,49841,1378337278470}
> 2013-09-04 23:28:25,225 INFO [AM.ZK.Worker-pool2-t6] master.RegionStates(299): Onlined 10359edcfb1a761f94ab6d5b559c2278 on kiyo.gq1.ygridcore.net,49841,1378337278470
> {code}
> Looks like region placement report was obtained when the region was still in transition.
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