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Posted to commits@cassandra.apache.org by "Enrique Guinto (JIRA)" <ji...@apache.org> on 2018/01/05 00:50:00 UTC

[jira] [Created] (CASSANDRA-14147) AssertionError on MemtablePostFlush

Enrique Guinto created CASSANDRA-14147:
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             Summary: AssertionError on MemtablePostFlush
                 Key: CASSANDRA-14147
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-14147
             Project: Cassandra
          Issue Type: Bug
          Components: Local Write-Read Paths
         Environment: * Apache Cassandra 3.11.0
* Windows Server 2016
* JVM vendor/version: Java HotSpot(TM) 64-Bit Server VM/1.8.0_40

            Reporter: Enrique Guinto


I am seeing a lot of exceptions in my cluster 

{{ERROR [MemtablePostFlush:194] 2018-01-05 00:19:50,354 CassandraDaemon.java:228 - Exception in thread Thread[MemtablePostFlush:194,5,main]
java.lang.AssertionError: null
	at org.apache.cassandra.cache.ChunkCache$CachingRebufferer.<init>(ChunkCache.java:222) ~[apache-cassandra-3.11.0.jar:3.11.0]
	at org.apache.cassandra.cache.ChunkCache.wrap(ChunkCache.java:175) ~[apache-cassandra-3.11.0.jar:3.11.0]
	at org.apache.cassandra.io.util.FileHandle$Builder.maybeCached(FileHandle.java:412) ~[apache-cassandra-3.11.0.jar:3.11.0]
	at org.apache.cassandra.io.util.FileHandle$Builder.complete(FileHandle.java:381) ~[apache-cassandra-3.11.0.jar:3.11.0]
	at org.apache.cassandra.io.util.FileHandle$Builder.complete(FileHandle.java:331) ~[apache-cassandra-3.11.0.jar:3.11.0]
	at org.apache.cassandra.io.sstable.format.big.BigTableWriter.openFinal(BigTableWriter.java:333) ~[apache-cassandra-3.11.0.jar:3.11.0]
	at org.apache.cassandra.io.sstable.format.big.BigTableWriter.access$600(BigTableWriter.java:53) ~[apache-cassandra-3.11.0.jar:3.11.0]
	at org.apache.cassandra.io.sstable.format.big.BigTableWriter$TransactionalProxy.doPrepare(BigTableWriter.java:374) ~[apache-cassandra-3.11.0.jar:3.11.0]
	at org.apache.cassandra.utils.concurrent.Transactional$AbstractTransactional.prepareToCommit(Transactional.java:173) ~[apache-cassandra-3.11.0.jar:3.11.0]
	at org.apache.cassandra.io.sstable.format.SSTableWriter.prepareToCommit(SSTableWriter.java:281) ~[apache-cassandra-3.11.0.jar:3.11.0]
	at org.apache.cassandra.io.sstable.SimpleSSTableMultiWriter.prepareToCommit(SimpleSSTableMultiWriter.java:101) ~[apache-cassandra-3.11.0.jar:3.11.0]
	at org.apache.cassandra.db.ColumnFamilyStore$Flush.flushMemtable(ColumnFamilyStore.java:1153) ~[apache-cassandra-3.11.0.jar:3.11.0]
	at org.apache.cassandra.db.ColumnFamilyStore$Flush.run(ColumnFamilyStore.java:1088) ~[apache-cassandra-3.11.0.jar:3.11.0]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) ~[na:1.8.0_40]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [na:1.8.0_40]
	at org.apache.cassandra.concurrent.NamedThreadFactory.lambda$threadLocalDeallocator$0(NamedThreadFactory.java:81) [apache-cassandra-3.11.0.jar:3.11.0]
	at org.apache.cassandra.concurrent.NamedThreadFactory$$Lambda$4/406765571.run(Unknown Source) [apache-cassandra-3.11.0.jar:3.11.0]
	at java.lang.Thread.run(Thread.java:745) [na:1.8.0_40]}}

This seems to have the side effect of commit log not being cleaned up. Is this similar to issue  CASSANDRA-13897 ? 
Is there a work around for this?
Any help is appreciated. Thanks!



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