wu taiyin created CASSANDRA-14908: ------------------------------------- Summary: Deadlock occurs when executing a file selection in levelcompact Key: CASSANDRA-14908 URL: https://issues.apache.org/jira/browse/CASSANDRA-14908 Project: Cassandra Issue Type: Bug Environment: version : cassandra 2.1.15
jdk: 8 os:suse Reporter: wu taiyin Attachments: deadlock stack.txt detailed exception stack as follows: "CompactionExecutor:33616" #142049 daemon prio=1 os_prio=4 tid=0x00007f73244cc000 nid=0x1919a waiting for monitor entry [0x00007fa94e13b000] java.lang.Thread.State: {color:#FF0000}BLOCKED{color} (on object monitor) at org.apache.cassandra.db.compaction.WrappingCompactionStrategy.handleNotification(WrappingCompactionStrategy.java:265) - waiting to lock <0x00007faa776209b0> (a org.apache.cassandra.db.compaction.WrappingCompactionStrategy) at org.apache.cassandra.db.DataTracker.notifySSTablesChanged(DataTracker.java:517) at org.apache.cassandra.db.DataTracker.replaceReaders(DataTracker.java:408) at org.apache.cassandra.db.DataTracker.replaceWithNewInstances(DataTracker.java:305) at org.apache.cassandra.io.sstable.SSTableRewriter.moveStarts(SSTableRewriter.java:337) at org.apache.cassandra.io.sstable.SSTableRewriter.maybeReopenEarly(SSTableRewriter.java:187) at org.apache.cassandra.io.sstable.SSTableRewriter.append(SSTableRewriter.java:126) at org.apache.cassandra.db.compaction.CompactionTask.runMayThrow(CompactionTask.java:197) at org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:28) at org.apache.cassandra.db.compaction.CompactionTask.executeInternal(CompactionTask.java:73) at org.apache.cassandra.db.compaction.AbstractCompactionTask.execute(AbstractCompactionTask.java:59) at org.apache.cassandra.db.compaction.CompactionManager$BackgroundCompactionCandidate.run(CompactionManager.java:264) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) "CompactionExecutor:33615" #142048 daemon prio=1 os_prio=4 tid=0x00007f7324451800 nid=0x19199 runnable [0x00007fa7a096f000] java.lang.Thread.State: RUNNABLE at java.util.HashMap.hash(HashMap.java:338) at java.util.HashMap.put(HashMap.java:611) at java.util.HashSet.add(HashSet.java:219) at java.util.AbstractCollection.addAll(AbstractCollection.java:344) at java.util.HashSet.<init>(HashSet.java:119) at com.google.common.collect.Sets.newHashSet(Sets.java:218) at {color:#FF0000}org.apache.cassandra.db.compaction.LeveledManifest.getCompactionCandidates(LeveledManifest.java:307){color} {color:#FF0000} - locked <0x00007faa77620e70> (a org.apache.cassandra.db.compaction.LeveledManifest){color} {color:#FF0000} at{color} org.apache.cassandra.db.compaction.LeveledCompactionStrategy.getMaximalTask(LeveledCompactionStrategy.java:101) at org.apache.cassandra.db.compaction.LeveledCompactionStrategy.getNextBackgroundTask(LeveledCompactionStrategy.java:90) - locked <0x00007faa77620e30> (a org.apache.cassandra.db.compaction.LeveledCompactionStrategy) at org.apache.cassandra.db.compaction.WrappingCompactionStrategy.getNextBackgroundTask(WrappingCompactionStrategy.java:84) - locked <0x00007faa776209b0> (a org.apache.cassandra.db.compaction.WrappingCompactionStrategy) at org.apache.cassandra.db.compaction.CompactionManager$BackgroundCompactionCandidate.run(CompactionManager.java:258) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) "MemtableFlushWriter:22715" #142123 daemon prio=5 os_prio=0 tid=0x00007f5a3d4ba000 nid=0x24063 waiting for monitor entry [0x00007fa8337bd000] java.lang.Thread.State: BLOCKED (on object monitor) at org.apache.cassandra.db.compaction.WrappingCompactionStrategy.handleNotification(WrappingCompactionStrategy.java:265) - waiting to lock <0x00007faa776209b0> (a org.apache.cassandra.db.compaction.WrappingCompactionStrategy) at org.apache.cassandra.db.DataTracker.notifyAdded(DataTracker.java:531) at org.apache.cassandra.db.DataTracker.replaceFlushed(DataTracker.java:179) at org.apache.cassandra.db.compaction.AbstractCompactionStrategy.replaceFlushed(AbstractCompactionStrategy.java:234) at org.apache.cassandra.db.ColumnFamilyStore.replaceFlushed(ColumnFamilyStore.java:1521) at org.apache.cassandra.db.Memtable$FlushRunnable.runMayThrow(Memtable.java:336) at org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:28) at com.google.common.util.concurrent.MoreExecutors$SameThreadExecutorService.execute(MoreExecutors.java:297) at org.apache.cassandra.db.ColumnFamilyStore$Flush.run(ColumnFamilyStore.java:1127) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) "MemtableFlushWriter:22711" #142116 daemon prio=5 os_prio=0 tid=0x00007f5a3d338000 nid=0x21ccf waiting for monitor entry [0x00007fa94e084000] java.lang.Thread.State: BLOCKED (on object monitor) at org.apache.cassandra.db.compaction.WrappingCompactionStrategy.handleNotification(WrappingCompactionStrategy.java:265) - waiting to lock <0x00007faa776209b0> (a org.apache.cassandra.db.compaction.WrappingCompactionStrategy) at org.apache.cassandra.db.DataTracker.notifyAdded(DataTracker.java:531) at org.apache.cassandra.db.DataTracker.replaceFlushed(DataTracker.java:179) at org.apache.cassandra.db.compaction.AbstractCompactionStrategy.replaceFlushed(AbstractCompactionStrategy.java:234) at org.apache.cassandra.db.ColumnFamilyStore.replaceFlushed(ColumnFamilyStore.java:1521) at org.apache.cassandra.db.Memtable$FlushRunnable.runMayThrow(Memtable.java:336) at org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:28) at com.google.common.util.concurrent.MoreExecutors$SameThreadExecutorService.execute(MoreExecutors.java:297) at org.apache.cassandra.db.ColumnFamilyStore$Flush.run(ColumnFamilyStore.java:1127) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) -- This message was sent by Atlassian JIRA (v7.6.3#76005) --------------------------------------------------------------------- To unsubscribe, e-mail: commits-unsubscr...@cassandra.apache.org For additional commands, e-mail: commits-h...@cassandra.apache.org