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Posted to commits@cassandra.apache.org by "Dinesh Joshi (Jira)" <ji...@apache.org> on 2019/09/12 07:50:00 UTC
[jira] [Comment Edited] (CASSANDRA-15324) Unable to compute ceiling
for max when histogram
[ https://issues.apache.org/jira/browse/CASSANDRA-15324?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16928322#comment-16928322 ]
Dinesh Joshi edited comment on CASSANDRA-15324 at 9/12/19 7:49 AM:
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Your issue is likely related to your data model. Its better to discuss it on the [user mailing list|http://cassandra.apache.org/community/]. It would also be helpful to include information about your data model and any other relevant information to help debug the issue and point you in the right direction.
was (Author: djoshi3):
Your issue is likely related to your data model. Its better to discuss it on the [user mailing list|http://cassandra.apache.org/community/].
> Unable to compute ceiling for max when histogram
> ------------------------------------------------
>
> Key: CASSANDRA-15324
> URL: https://issues.apache.org/jira/browse/CASSANDRA-15324
> Project: Cassandra
> Issue Type: Bug
> Components: Local/Compaction, Local/Compaction/STCS
> 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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