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https://issues.apache.org/jira/browse/CASSANDRA-4644?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13453156#comment-13453156
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Rudolf VanderLeeden commented on CASSANDRA-4644:
------------------------------------------------
Sorry, I forgot to mention the 1.1.4 upgrade step. It should read:
(1) The SSTables have originally been created on a 1.1.2 cluster with STCS and
then copied to the testcluster also with 1.1.2. Repair, cleanup, compact were
OK with STCS.
(2) Upgrade to 1.1.4
(3) We changed to LCS and did again repair, cleanup, compact, also with success.
> Compaction error with Cassandra 1.1.4 and LCS
> ----------------------------------------------
>
> Key: CASSANDRA-4644
> URL: https://issues.apache.org/jira/browse/CASSANDRA-4644
> Project: Cassandra
> Issue Type: Bug
> Components: Core
> Affects Versions: 1.1.4
> Environment: Cassandra 1.1.4, Ubuntu Lucid (2.6.32-346), Amazon EC2
> m1.xlarge
> Reporter: Rudolf VanderLeeden
>
> In our 1.1.4 testcluster of 3 nodes with RF=3, KS=1, and CF=5, we are getting
> an asserting error when running 'nodetool compact highscores leaderboard'.
> This stops compactions on the 'leaderboard' CF summing up to 11835 pending
> compactions. This error is seen only one one node.
> The SSTables have originally been created on a 1.1.2 cluster with STCS and
> then copied to the testcluster also with 1.1.2. Repair, cleanup, compact were
> OK with STCS. Next, we changed to LCS and did again repair, cleanup, compact
> with success.
> Then we started to use this LCS-based testcluster intensively and created
> lots of data and also large keys with millions of columns.
> The assertion error in system.log :
> INFO [CompactionExecutor:8] 2012-09-11 14:20:45,043
> CompactionController.java (line 172) Compacting large row
> highscores/leaderboard:4c422d64626331353166372d363464612d343235342d396130322d6535616365343337373532332d676c6f62616c2d30
> (72589650 bytes) incrementally
> ERROR [CompactionExecutor:8] 2012-09-11 14:20:50,336
> AbstractCassandraDaemon.java (line 135) Exception in thread
> Thread[CompactionExecutor:8,1,RMI Runtime]
> java.lang.AssertionError
> at
> org.apache.cassandra.db.compaction.LeveledManifest.promote(LeveledManifest.java:214)
> at
> org.apache.cassandra.db.compaction.LeveledCompactionStrategy.handleNotification(LeveledCompactionStrategy.java:158)
> at
> org.apache.cassandra.db.DataTracker.notifySSTablesChanged(DataTracker.java:531)
> at
> org.apache.cassandra.db.DataTracker.replaceCompactedSSTables(DataTracker.java:254)
> at
> org.apache.cassandra.db.ColumnFamilyStore.replaceCompactedSSTables(ColumnFamilyStore.java:992)
> at
> org.apache.cassandra.db.compaction.CompactionTask.execute(CompactionTask.java:200)
> at
> org.apache.cassandra.db.compaction.LeveledCompactionTask.execute(LeveledCompactionTask.java:50)
> at
> org.apache.cassandra.db.compaction.CompactionManager$6.runMayThrow(CompactionManager.java:288)
> at
> org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:30)
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
> 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:662)
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