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https://issues.apache.org/jira/browse/HBASE-23968?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Minwoo Kang updated HBASE-23968:
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Release Note: All compactions must be stopped before the region server is
stopped. If compaction is running, the region server wait for the compaction is
stopped. Previously, The compaction check that the system is stopped when it
reaches "hbase.hstore.close.check.interval" (size). However, depending on the
situation, it may take a long time to reach that size. This could result in
delays in the stop of the region server. To solve this problem,
"hbase.hstore.close.check.time.interval" was added. Now, The compaction check
that the system is stopped when it reaches "hbase.hstore.close.check.interval"
(size) or "hbase.hstore.close.check.time.interval" (time). The default value of
"hbase.hstore.close.check.time.interval" is 10 seconds.
> Periodically check whether a system stop is requested in compaction by time.
> ----------------------------------------------------------------------------
>
> Key: HBASE-23968
> URL: https://issues.apache.org/jira/browse/HBASE-23968
> Project: HBase
> Issue Type: Improvement
> Components: Compaction
> Reporter: Minwoo Kang
> Assignee: Minwoo Kang
> Priority: Minor
> Fix For: 3.0.0-alpha-1
>
>
> The compaction check that the system is stopped when it reaches
> hbase.hstore.close.check.interval size.
> If the size is not reached, the compaction does not stop even though the
> system is stopped.
> If compaction is not terminated, the region is not closed.
> As a result, region remains pending-close.
>
> Thread A (regionserver/longCompactions):
> State: RUNNABLE
> Stack:
> org.apache.hadoop.hbase.regionserver.compactions.Compactor.performCompaction(Compactor.java:319)
> org.apache.hadoop.hbase.regionserver.compactions.DefaultCompactor.compact(DefaultCompactor.java:111)
> org.apache.hadoop.hbase.regionserver.DefaultStoreEngine$DefaultCompactionContext.compact(DefaultStoreEngine.java:119)
> org.apache.hadoop.hbase.regionserver.HStore.compact(HStore.java:1232)
> org.apache.hadoop.hbase.regionserver.HRegion.compact(HRegion.java:1896)
> org.apache.hadoop.hbase.regionserver.CompactSplitThread$CompactionRunner.doCompaction(CompactSplitThread.java:525)
> org.apache.hadoop.hbase.regionserver.CompactSplitThread$CompactionRunner.run(CompactSplitThread.java:562)
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> java.lang.Thread.run(Thread.java:748)
> Thread B (RS_CLOSE_REGION):
> State: WAITING
> Waiting on org.apache.hadoop.hbase.regionserver.HRegion$WriteState
> Stack:
> java.lang.Object.wait(Native Method)
> java.lang.Object.wait(Object.java:502)
> org.apache.hadoop.hbase.regionserver.HRegion.waitForFlushesAndCompactions(HRegion.java:1567)
> org.apache.hadoop.hbase.regionserver.HRegion.doClose(HRegion.java:1417)
> org.apache.hadoop.hbase.regionserver.HRegion.close(HRegion.java:1380)
> org.apache.hadoop.hbase.regionserver.handler.CloseRegionHandler.process(CloseRegionHandler.java:138)
> org.apache.hadoop.hbase.executor.EventHandler.run(EventHandler.java:129)
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> java.lang.Thread.run(Thread.java:748)
>
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