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Posted to issues@hbase.apache.org by "Andrew Purtell (JIRA)" <ji...@apache.org> on 2019/02/01 20:04:01 UTC
[jira] [Updated] (HBASE-20146) Regions are stuck while opening when
WAL is disabled
[ https://issues.apache.org/jira/browse/HBASE-20146?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Andrew Purtell updated HBASE-20146:
-----------------------------------
Fix Version/s: (was: 1.5.0)
> Regions are stuck while opening when WAL is disabled
> ----------------------------------------------------
>
> Key: HBASE-20146
> URL: https://issues.apache.org/jira/browse/HBASE-20146
> Project: HBase
> Issue Type: Bug
> Components: wal
> Affects Versions: 1.3.1
> Reporter: Ashish Singhi
> Assignee: Ashish Singhi
> Priority: Critical
> Fix For: 1.3.2, 1.4.3, 2.0.0, 1.2.7
>
> Attachments: HBASE-20146-addendum.patch, HBASE-20146.patch, HBASE-20146.v1.patch
>
>
> On a running cluster we had set {{hbase.regionserver.hlog.enabled}} to false, to disable the WAL for complete cluster, after restarting HBase service, regions are not getting opened leading to HMaster abort as Namespace table regions are not getting assigned.
> jstack for region open:
> {noformat}
> "RS_OPEN_PRIORITY_REGION-BLR1000006595:16045-1" #159 prio=5 os_prio=0 tid=0x00007fdfa4341000 nid=0x419d waiting on condition [0x00007fdfa0467000]
> java.lang.Thread.State: WAITING (parking)
> at sun.misc.Unsafe.park(Native Method)
> - parking to wait for <0x0000000087554448> (a java.util.concurrent.CountDownLatch$Sync)
> at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
> at java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:836)
> at java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedInterruptibly(AbstractQueuedSynchronizer.java:997)
> at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireSharedInterruptibly(AbstractQueuedSynchronizer.java:1304)
> at java.util.concurrent.CountDownLatch.await(CountDownLatch.java:231)
> at org.apache.hadoop.hbase.wal.WALKey.getWriteEntry(WALKey.java:98)
> at org.apache.hadoop.hbase.regionserver.wal.WALUtil.writeMarker(WALUtil.java:131)
> at org.apache.hadoop.hbase.regionserver.wal.WALUtil.writeRegionEventMarker(WALUtil.java:88)
> at org.apache.hadoop.hbase.regionserver.HRegion.writeRegionOpenMarker(HRegion.java:1026)
> at org.apache.hadoop.hbase.regionserver.HRegion.openHRegion(HRegion.java:6849)
> at org.apache.hadoop.hbase.regionserver.HRegion.openHRegion(HRegion.java:6803)
> at org.apache.hadoop.hbase.regionserver.HRegion.openHRegion(HRegion.java:6774)
> at org.apache.hadoop.hbase.regionserver.HRegion.openHRegion(HRegion.java:6730)
> at org.apache.hadoop.hbase.regionserver.HRegion.openHRegion(HRegion.java:6681)
> at org.apache.hadoop.hbase.regionserver.handler.OpenRegionHandler.openRegion(OpenRegionHandler.java:363)
> at org.apache.hadoop.hbase.regionserver.handler.OpenRegionHandler.process(OpenRegionHandler.java:129)
> at org.apache.hadoop.hbase.executor.EventHandler.run(EventHandler.java:129)
> at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> at java.lang.Thread.run(Thread.java:745)
> {noformat}
> This used to work with HBase 1.0.2 version.
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