[CASSANDRA-1744] Compaction errors: "Keys must be written in ascending order"

• Type: Bug
• Status: Resolved
• Priority: Normal
• Resolution: Duplicate
• Fix Version/s: 0.7.0 rc 1
• Severity: Normal
• Assignee: Unassigned
• Reporter: Brandon Williams
• Created: 13/Nov/10 21:57
• Updated: 16/Apr/19 09:33
• Resolved: 23/Nov/10 15:23

Description

When compaction starts, many of these exceptions are thrown:

ERROR 16:53:00,252 non-fatal error during compaction
java.io.IOException: Keys must be written in ascending order.
at org.apache.cassandra.io.sstable.SSTableWriter.beforeAppend(SSTableWriter.java:134)
at org.apache.cassandra.io.sstable.SSTableWriter.append(SSTableWriter.java:151)
at org.apache.cassandra.db.CompactionManager.doCompaction(CompactionManager.java:279)
at org.apache.cassandra.db.CompactionManager$1.call(CompactionManager.java:109)
at org.apache.cassandra.db.CompactionManager$1.call(CompactionManager.java:87)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
at java.util.concurrent.FutureTask.run(FutureTask.java:166)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
at java.lang.Thread.run(Thread.java:636)

Easily reproduced with stress.py