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https://issues.apache.org/jira/browse/CASSANDRA-15326?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17193838#comment-17193838
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Caleb Rackliffe commented on CASSANDRA-15326:
---------------------------------------------
[~mlhsu] When you say "through my java loaders", what particular tooling would
that be? Thanks.
> Unable to compute ceiling for max when histogram overflowed
> -----------------------------------------------------------
>
> Key: CASSANDRA-15326
> URL: https://issues.apache.org/jira/browse/CASSANDRA-15326
> Project: Cassandra
> Issue Type: Bug
> Components: Consistency/Batch Log
> Reporter: HsuML
> Priority: Normal
>
> I have 9 cassandra nodes. When I create a keyspace that has 15 tables and the
> record count of all table are about 8.2 billion. I imported data through my
> java loaders, and I found out the system.log has error message. What happened
> and how can I solve the error?
> Exception in thread Thread[CompactionExecutor:113041,1,main]
> java.lang.IllegalStateException: Unable to compute ceiling for max when
> histogram overflowed
> at
> org.apache.cassandra.utils.EstimatedHistogram.rawMean(EstimatedHistogram.java:231)
> ~[apache-cassandra-3.11.4.jar:3.11.4]
> at
> org.apache.cassandra.utils.EstimatedHistogram.mean(EstimatedHistogram.java:220)
> ~[apache-cassandra-3.11.4.jar:3.11.4]
> at
> org.apache.cassandra.io.sstable.metadata.StatsMetadata.getEstimatedDroppableTombstoneRatio(StatsMetadata.java:115)
> ~[apache-cassandra-3.11.4.jar:3.11.4]
> at
> org.apache.cassandra.io.sstable.format.SSTableReader.getEstimatedDroppableTombstoneRatio(SSTableReader.java:1926)
> ~[apache-cassandra-3.11.4.jar:3.11.4]
> at
> org.apache.cassandra.db.compaction.AbstractCompactionStrategy.worthDroppingTombstones(AbstractCompactionStrategy.java:424)
> ~[apache-cassandra-3.11.4.jar:3.11.4]
> at
> org.apache.cassandra.db.compaction.SizeTieredCompactionStrategy.getNextBackgroundSSTables(SizeTieredCompactionStrategy.java:99)
> ~[apache-cassandra-3.11.4.jar:3.11.4]
> at
> org.apache.cassandra.db.compaction.SizeTieredCompactionStrategy.getNextBackgroundTask(SizeTieredCompactionStrategy.java:183)
> ~[apache-cassandra-3.11.4.jar:3.11.4]
> at
> org.apache.cassandra.db.compaction.CompactionStrategyManager.getNextBackgroundTask(CompactionStrategyManager.java:153)
> ~[apache-cassandra-3.11.4.jar:3.11.4]
> at
> org.apache.cassandra.db.compaction.CompactionManager$BackgroundCompactionCandidate.run(CompactionManager.java:260)
> ~[apache-cassandra-3.11.4.jar:3.11.4]
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> ~[na:1.8.0_191]
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> ~[na:1.8.0_191]
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> ~[na:1.8.0_191]
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> [na:1.8.0_191]
> at
> org.apache.cassandra.concurrent.NamedThreadFactory.lambda$threadLocalDeallocator$0(NamedThreadFactory.java:81)
> [apache-cassandra-3.11.4.jar:3.11.4]
> at java.lang.Thread.run(Thread.java:748) ~[na:1.8.0_191]
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