Normal Description
Concurrent compaction can trigger the following exception when two threads compact the same sstable. DataTracker attempts to prevent this but apparently not successfully.
java.io.IOError: java.io.IOException: Unable to create compaction marker
at org.apache.cassandra.io.sstable.SSTableReader.markCompacted(SSTableReader.java:638)
at org.apache.cassandra.db.DataTracker.removeOldSSTablesSize(DataTracker.java:321)
at org.apache.cassandra.db.DataTracker.replace(DataTracker.java:294)
at org.apache.cassandra.db.DataTracker.replaceCompactedSSTables(DataTracker.java:255)
at org.apache.cassandra.db.ColumnFamilyStore.replaceCompactedSSTables(ColumnFamilyStore.java:932)
at org.apache.cassandra.db.compaction.CompactionTask.execute(CompactionTask.java:173)
at org.apache.cassandra.db.compaction.CompactionManager$1.call(CompactionManager.java:119)
at org.apache.cassandra.db.compaction.CompactionManager$1.call(CompactionManager.java:102)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
at java.util.concurrent.FutureTask.run(FutureTask.java:138)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:680)
Caused by: java.io.IOException: Unable to create compaction marker
at org.apache.cassandra.io.sstable.SSTableReader.markCompacted(SSTableReader.java:634)
... 12 more