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From "Navjyot Nishant (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CASSANDRA-11063) Unable to compute ceiling for max when histogram overflowed
Date Sat, 23 Jan 2016 13:50:39 GMT
Navjyot Nishant created CASSANDRA-11063:
-------------------------------------------

             Summary: Unable to compute ceiling for max when histogram overflowed
                 Key: CASSANDRA-11063
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-11063
             Project: Cassandra
          Issue Type: Bug
          Components: Compaction
         Environment: Cassandra 2.1.9 on RHEL
            Reporter: Navjyot Nishant


Issue https://issues.apache.org/jira/browse/CASSANDRA-8028 seems related with error we are
getting. But we are getting this with Cassandra 2.1.9 when autocompaction is running it keeps
throwing following errors, we are unsure if its a bug or can be resolved, please suggest.

ERROR [CompactionExecutor:3] 2016-01-23 11:52:50,197 CassandraDaemon.java:223 - Exception
in thread Thread[CompactionExecutor:3,1,main]
java.lang.IllegalStateException: Unable to compute ceiling for max when histogram overflowed
        at org.apache.cassandra.utils.EstimatedHistogram.mean(EstimatedHistogram.java:203)
~[apache-cassandra-2.1.9.jar:2.1.9]
        at org.apache.cassandra.io.sstable.metadata.StatsMetadata.getEstimatedDroppableTombstoneRatio(StatsMetadata.java:98)
~[apache-cassandra-2.1.9.jar:2.1
        at org.apache.cassandra.io.sstable.SSTableReader.getEstimatedDroppableTombstoneRatio(SSTableReader.java:1987)
~[apache-cassandra-2.1.9.jar:2.1.9]
        at org.apache.cassandra.db.compaction.AbstractCompactionStrategy.worthDroppingTombstones(AbstractCompactionStrategy.java:370)
~[apache-cassandra-2.1.
        at org.apache.cassandra.db.compaction.SizeTieredCompactionStrategy.getNextBackgroundSSTables(SizeTieredCompactionStrategy.java:96)
~[apache-cassandra
        at org.apache.cassandra.db.compaction.SizeTieredCompactionStrategy.getNextBackgroundTask(SizeTieredCompactionStrategy.java:179)
~[apache-cassandra-2.
        at org.apache.cassandra.db.compaction.WrappingCompactionStrategy.getNextBackgroundTask(WrappingCompactionStrategy.java:84)
~[apache-cassandra-2.1.9.j
        at org.apache.cassandra.db.compaction.CompactionManager$BackgroundCompactionCandidate.run(CompactionManager.java:230)
~[apache-cassandra-2.1.9.jar:2.
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) ~[na:1.7.0_51]
        at java.util.concurrent.FutureTask.run(FutureTask.java:262) ~[na:1.7.0_51]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
~[na:1.7.0_51]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
[na:1.7.0_51]
        at java.lang.Thread.run(Thread.java:744) [na:1.7.0_51]




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