Error in LeveledCompactionStrategy
----------------------------------
Key: CASSANDRA-3306
URL: https://issues.apache.org/jira/browse/CASSANDRA-3306
Project: Cassandra
Issue Type: Bug
Affects Versions: 1.0.0
Reporter: Radim Kolar
Priority: Critical
during stress testing, i always get this error making leveledcompaction
strategy unusable. Should be easy to reproduce - just write fast.
ERROR [CompactionExecutor:6] 2011-10-04 15:48:52,179
AbstractCassandraDaemon.java (line 133) Fatal exception in thread
Thread[CompactionExecutor:6,5,main]
java.lang.AssertionError
at
org.apache.cassandra.db.DataTracker$View.newSSTables(DataTracker.java:580)
at
org.apache.cassandra.db.DataTracker$View.replace(DataTracker.java:546)
at org.apache.cassandra.db.DataTracker.replace(DataTracker.java:268)
at
org.apache.cassandra.db.DataTracker.replaceCompactedSSTables(DataTracker.java:232)
at
org.apache.cassandra.db.ColumnFamilyStore.replaceCompactedSSTables(ColumnFamilyStore.java:960)
at
org.apache.cassandra.db.compaction.CompactionTask.execute(CompactionTask.java:199)
at
org.apache.cassandra.db.compaction.LeveledCompactionTask.execute(LeveledCompactionTask.java:47)
at
org.apache.cassandra.db.compaction.CompactionManager$1.call(CompactionManager.java:131)
at
org.apache.cassandra.db.compaction.CompactionManager$1.call(CompactionManager.java:114)
at java.util.concurrent.FutureTask$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)
and this is in json data for table:
{
"generations" : [ {
"generation" : 0,
"members" : [ 459, 460, 461, 462, 463, 464, 465, 466, 467, 468, 469, 470,
471, 472, 473, 474, 475, 476, 477, 478, 479, 480, 481, 482, 483, 484 ]
}, {
"generation" : 1,
"members" : [ ]
}, {
"generation" : 2,
"members" : [ ]
}, {
"generation" : 3,
"members" : [ ]
}, {
"generation" : 4,
"members" : [ ]
}, {
"generation" : 5,
"members" : [ ]
}, {
"generation" : 6,
"members" : [ ]
}, {
"generation" : 7,
"members" : [ ]
} ]
}
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