Apache9 commented on PR #8116:
URL: https://github.com/apache/hbase/pull/8116#issuecomment-4312362574
This is the root cause, when reassigning meta region after region server
crash, the thread is blocked...
```
"RS_OPEN_META-regionserver/2cd189b8f196:0-0" daemon prio=5 tid=470 blocked
java.lang.Thread.State: BLOCKED
at
app//org.apache.hadoop.metrics2.impl.MetricsSystemImpl.register(MetricsSystemImpl.java:223)
at
app//org.apache.hadoop.hbase.metrics.BaseSourceImpl.<init>(BaseSourceImpl.java:115)
at
app//org.apache.hadoop.hbase.io.MetricsIOSourceImpl.<init>(MetricsIOSourceImpl.java:44)
at
app//org.apache.hadoop.hbase.io.MetricsIOSourceImpl.<init>(MetricsIOSourceImpl.java:39)
at
app//org.apache.hadoop.hbase.regionserver.MetricsRegionServerSourceFactoryImpl.createIO(MetricsRegionServerSourceFactoryImpl.java:99)
at
app//org.apache.hadoop.hbase.io.MetricsIO.<init>(MetricsIO.java:36)
at
app//org.apache.hadoop.hbase.io.MetricsIO.getInstance(MetricsIO.java:52)
at
app//org.apache.hadoop.hbase.io.hfile.HFile.updateWriteLatency(HFile.java:205)
at
app//org.apache.hadoop.hbase.io.hfile.HFileBlock$Writer.finishBlockAndWriteHeaderAndData(HFileBlock.java:1051)
at
app//org.apache.hadoop.hbase.io.hfile.HFileBlock$Writer.writeHeaderAndData(HFileBlock.java:1036)
at
app//org.apache.hadoop.hbase.io.hfile.HFileWriterImpl.finishBlock(HFileWriterImpl.java:384)
at
app//org.apache.hadoop.hbase.io.hfile.HFileWriterImpl.close(HFileWriterImpl.java:653)
at
app//org.apache.hadoop.hbase.regionserver.StoreFileWriter$SingleStoreFileWriter.close(StoreFileWriter.java:781)
at
app//org.apache.hadoop.hbase.regionserver.StoreFileWriter.close(StoreFileWriter.java:301)
at
app//org.apache.hadoop.hbase.regionserver.StoreFlusher.finalizeWriter(StoreFlusher.java:70)
at
app//org.apache.hadoop.hbase.regionserver.DefaultStoreFlusher.flushSnapshot(DefaultStoreFlusher.java:74)
at
app//org.apache.hadoop.hbase.regionserver.HStore.flushCache(HStore.java:836)
at
app//org.apache.hadoop.hbase.regionserver.HStore$StoreFlusherImpl.flushCache(HStore.java:1987)
at
app//org.apache.hadoop.hbase.regionserver.HRegion.internalFlushCacheAndCommit(HRegion.java:3158)
at
app//org.apache.hadoop.hbase.regionserver.HRegion.internalFlushcache(HRegion.java:2866)
at
app//org.apache.hadoop.hbase.regionserver.HRegion.replayRecoveredEditsIfAny(HRegion.java:5623)
at
app//org.apache.hadoop.hbase.regionserver.HRegion.initializeRegionInternals(HRegion.java:1099)
at
app//org.apache.hadoop.hbase.regionserver.HRegion.initialize(HRegion.java:1033)
at
app//org.apache.hadoop.hbase.regionserver.HRegion.openHRegion(HRegion.java:8038)
at
app//org.apache.hadoop.hbase.regionserver.HRegion.openHRegionFromTableDir(HRegion.java:7992)
at
app//org.apache.hadoop.hbase.regionserver.HRegion.openHRegion(HRegion.java:7964)
at
app//org.apache.hadoop.hbase.regionserver.HRegion.openHRegion(HRegion.java:7912)
at
app//org.apache.hadoop.hbase.regionserver.HRegion.openHRegion(HRegion.java:7843)
at
app//org.apache.hadoop.hbase.regionserver.handler.AssignRegionHandler.process(AssignRegionHandler.java:143)
at
app//org.apache.hadoop.hbase.executor.EventHandler.run(EventHandler.java:104)
at
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
at
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
at [email protected]/java.lang.Thread.run(Thread.java:840)
```
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
To unsubscribe, e-mail: [email protected]
For queries about this service, please contact Infrastructure at:
[email protected]
