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https://issues.apache.org/jira/browse/CASSANDRA-16764?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17945946#comment-17945946
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Chris Miller edited comment on CASSANDRA-16764 at 4/20/25 10:50 AM:
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FYI: I have imported the problem CF into a lab environment so can attempt
anything you'd like to get to root cause.
Interestingly UDCs work in the lab without issue, CF compaction fails with
above error.
None of the SSTABLEs with the problem partition are greater than 2GB so unable
to use the sstablesplit solution as used above in the lab.
Also original data was deleted in prod so issue is with tombstones, reduced
gc_grace_seconds to age out the problem tombstones and compaction completed
successfully and above errors stopped.
Let me know if you'd like me to try anything in the lab...
Chris.
was (Author: JIRAUSER309453):
Interestingly UDCs work without issue, CF compaction fails with above error.
I have imported the problem CF into a lab environment so can attempt anything
you'd like to get to root cause.
Also original data was deleted so issue is with tombstones, reduced
gc_grace_seconds to age out the problem tombstones and compaction completed
successfully and above errors stopped.
Let me know if you'd like me to try anything in the lab...
Chris.
> Compaction repeatedly fails validateReallocation exception
> ----------------------------------------------------------
>
> Key: CASSANDRA-16764
> URL: https://issues.apache.org/jira/browse/CASSANDRA-16764
> Project: Apache Cassandra
> Issue Type: Bug
> Components: Local/Compaction/LCS
> Reporter: Richard Hesse
> Priority: Normal
>
> I have a few nodes in my ring that are stuck repeatedly trying to compact the
> same tables over and over again. I've run through the usual trick of rolling
> restarts, and it doesn't seem to help. This exception is logged on the nodes:
> {code}
> ERROR [CompactionExecutor:6] 2021-06-25 20:28:30,001 CassandraDaemon.java:244
> - Exception in thread Thread[CompactionExecutor:6,1,main]
> java.lang.RuntimeException: null
> at
> org.apache.cassandra.io.util.DataOutputBuffer.validateReallocation(DataOutputBuffer.java:134)
> ~[apache-cassandra-3.11.10.jar:3.11.10]
> at
> org.apache.cassandra.io.util.DataOutputBuffer.calculateNewSize(DataOutputBuffer.java:152)
> ~[apache-cassandra-3.11.10.jar:3.11.10]
> at
> org.apache.cassandra.io.util.DataOutputBuffer.expandToFit(DataOutputBuffer.java:159)
> ~[apache-cassandra-3.11.10.jar:3.11.10]
> at
> org.apache.cassandra.io.util.DataOutputBuffer.doFlush(DataOutputBuffer.java:119)
> ~[apache-cassandra-3.11.10.jar:3.11.10]
> at
> org.apache.cassandra.io.util.BufferedDataOutputStreamPlus.write(BufferedDataOutputStreamPlus.java:132)
> ~[apache-cassandra-3.11.10.jar:3.11.10]
> at
> org.apache.cassandra.io.util.BufferedDataOutputStreamPlus.write(BufferedDataOutputStreamPlus.java:151)
> ~[apache-cassandra-3.11.10.jar:3.11.10]
> at
> org.apache.cassandra.utils.ByteBufferUtil.writeWithVIntLength(ByteBufferUtil.java:296)
> ~[apache-cassandra-3.11.10.jar:3.11.10]
> at
> org.apache.cassandra.db.marshal.AbstractType.writeValue(AbstractType.java:426)
> ~[apache-cassandra-3.11.10.jar:3.11.10]
> at
> org.apache.cassandra.db.ClusteringPrefix$Serializer.serializeValuesWithoutSize(ClusteringPrefix.java:323)
> ~[apache-cassandra-3.11.10.jar:3.11.10]
> at
> org.apache.cassandra.db.Clustering$Serializer.serialize(Clustering.java:131)
> ~[apache-cassandra-3.11.10.jar:3.11.10]
> at
> org.apache.cassandra.db.ClusteringPrefix$Serializer.serialize(ClusteringPrefix.java:266)
> ~[apache-cassandra-3.11.10.jar:3.11.10]
> at
> org.apache.cassandra.db.Serializers$NewFormatSerializer.serialize(Serializers.java:167)
> ~[apache-cassandra-3.11.10.jar:3.11.10]
> at
> org.apache.cassandra.db.Serializers$NewFormatSerializer.serialize(Serializers.java:154)
> ~[apache-cassandra-3.11.10.jar:3.11.10]
> at
> org.apache.cassandra.io.sstable.IndexInfo$Serializer.serialize(IndexInfo.java:103)
> ~[apache-cassandra-3.11.10.jar:3.11.10]
> at
> org.apache.cassandra.io.sstable.IndexInfo$Serializer.serialize(IndexInfo.java:82)
> ~[apache-cassandra-3.11.10.jar:3.11.10]
> at
> org.apache.cassandra.db.ColumnIndex.addIndexBlock(ColumnIndex.java:216)
> ~[apache-cassandra-3.11.10.jar:3.11.10]
> at org.apache.cassandra.db.ColumnIndex.add(ColumnIndex.java:264)
> ~[apache-cassandra-3.11.10.jar:3.11.10]
> at
> org.apache.cassandra.db.ColumnIndex.buildRowIndex(ColumnIndex.java:111)
> ~[apache-cassandra-3.11.10.jar:3.11.10]
> at
> org.apache.cassandra.io.sstable.format.big.BigTableWriter.append(BigTableWriter.java:173)
> ~[apache-cassandra-3.11.10.jar:3.11.10]
> at
> org.apache.cassandra.io.sstable.SSTableRewriter.append(SSTableRewriter.java:136)
> ~[apache-cassandra-3.11.10.jar:3.11.10]
> at
> org.apache.cassandra.db.compaction.writers.MaxSSTableSizeWriter.realAppend(MaxSSTableSizeWriter.java:98)
> ~[apache-cassandra-3.11.10.jar:3.11.10]
> at
> org.apache.cassandra.db.compaction.writers.CompactionAwareWriter.append(CompactionAwareWriter.java:143)
> ~[apache-cassandra-3.11.10.jar:3.11.10]
> at
> org.apache.cassandra.db.compaction.CompactionTask.runMayThrow(CompactionTask.java:204)
> ~[apache-cassandra-3.11.10.jar:3.11.10]
> at
> org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:28)
> ~[apache-cassandra-3.11.10.jar:3.11.10]
> at
> org.apache.cassandra.db.compaction.CompactionTask.executeInternal(CompactionTask.java:85)
> ~[apache-cassandra-3.11.10.jar:3.11.10]
> at
> org.apache.cassandra.db.compaction.AbstractCompactionTask.execute(AbstractCompactionTask.java:61)
> ~[apache-cassandra-3.11.10.jar:3.11.10]
> at
> org.apache.cassandra.db.compaction.CompactionManager$BackgroundCompactionCandidate.run(CompactionManager.java:272)
> ~[apache-cassandra-3.11.10.jar:3.11.10]
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> ~[na:1.8.0_292]
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> ~[na:1.8.0_292]
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> ~[na:1.8.0_292]
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> [na:1.8.0_292]
> at
> org.apache.cassandra.concurrent.NamedThreadFactory.lambda$threadLocalDeallocator$0(NamedThreadFactory.java:84)
> [apache-cassandra-3.11.10.jar:3.11.10]
> at java.lang.Thread.run(Thread.java:748) ~[na:1.8.0_292]
> {code}
> Watching the compaction progress, it looks like it makes it through, dies,
> then starts over again. This process repeats forever.
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