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Jonathan Ellis edited comment on CASSANDRA-4644 at 9/18/12 4:38 AM: -------------------------------------------------------------------- Committed with <= fix. (Marking this issue "can't reproduce" referring to the original report of overlapping sstables caused by 1.1.4.) was (Author: jbellis): Committed. (Marking this issue "can't reproduce" referring to the original report of overlapping sstables caused by 1.1.4.) > 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 > Assignee: Jonathan Ellis > Fix For: 1.1.6 > > Attachments: 4644.txt > > > 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) -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira