Duo Zhang created HBASE-27941:
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Summary: Possible memory leak in MemStoreLAB implementation
Key: HBASE-27941
URL: https://issues.apache.org/jira/browse/HBASE-27941
Project: HBase
Issue Type: Bug
Components: in-memory-compaction, regionserver
Reporter: Duo Zhang
We got this error message when running ITBLL against branch-3.
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2023-06-09 14:44:15,386 ERROR [regionserver/core-1-2:16020-shortCompactions-0]
util.ResourceLeakDetector: LEAK: RefCnt.release() was not called before it's
garbage-collected. See https://netty.io/wiki/reference-counted-objects.html for
more information.
Recent access records:
Created at:
org.apache.hadoop.hbase.nio.RefCnt.<init>(RefCnt.java:59)
org.apache.hadoop.hbase.nio.RefCnt.create(RefCnt.java:54)
org.apache.hadoop.hbase.regionserver.MemStoreLABImpl.<init>(MemStoreLABImpl.java:108)
sun.reflect.GeneratedConstructorAccessor13.newInstance(Unknown Source)
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
java.lang.reflect.Constructor.newInstance(Constructor.java:423)
org.apache.hadoop.hbase.util.ReflectionUtils.instantiate(ReflectionUtils.java:55)
org.apache.hadoop.hbase.util.ReflectionUtils.instantiateWithCustomCtor(ReflectionUtils.java:43)
org.apache.hadoop.hbase.regionserver.MemStoreLAB.newInstance(MemStoreLAB.java:116)
org.apache.hadoop.hbase.regionserver.SegmentFactory.createMutableSegment(SegmentFactory.java:81)
org.apache.hadoop.hbase.regionserver.AbstractMemStore.resetActive(AbstractMemStore.java:93)
org.apache.hadoop.hbase.regionserver.AbstractMemStore.<init>(AbstractMemStore.java:83)
org.apache.hadoop.hbase.regionserver.DefaultMemStore.<init>(DefaultMemStore.java:79)
sun.reflect.GeneratedConstructorAccessor12.newInstance(Unknown Source)
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
java.lang.reflect.Constructor.newInstance(Constructor.java:423)
org.apache.hadoop.hbase.util.ReflectionUtils.instantiate(ReflectionUtils.java:55)
org.apache.hadoop.hbase.util.ReflectionUtils.newInstance(ReflectionUtils.java:92)
org.apache.hadoop.hbase.regionserver.HStore.getMemstore(HStore.java:377)
org.apache.hadoop.hbase.regionserver.HStore.<init>(HStore.java:283)
org.apache.hadoop.hbase.regionserver.HRegion.instantiateHStore(HRegion.java:6904)
org.apache.hadoop.hbase.regionserver.HRegion$1.call(HRegion.java:1173)
org.apache.hadoop.hbase.regionserver.HRegion$1.call(HRegion.java:1170)
java.util.concurrent.FutureTask.run(FutureTask.java:266)
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
java.util.concurrent.FutureTask.run(FutureTask.java:266)
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
java.lang.Thread.run(Thread.java:750)
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Need to dig more.
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