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https://issues.apache.org/jira/browse/CASSANDRA-4644?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13453098#comment-13453098
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Omid Aladini edited comment on CASSANDRA-4644 at 9/12/12 2:26 AM:
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{quote}
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.
{quote}
Just to double-check, as you mentioned in the mailing list, you upgraded to
1.1.4 before changing to LCS, right?
was (Author: omid):
{quote}
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.
{quote}
Just to double-check, as you mentioned in the mailing list, you upgraded to
1.1.4 *before* changing to LCS, right?
> 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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