[CASSANDRA-12743] Assertion error while running compaction

• Type: Bug
• Status: Resolved
• Priority: Normal
• Resolution: Fixed
• Fix Version/s: 2.2.13, 3.0.17, 3.11.3, 4.0-alpha1, 4.0
• Component/s: Local/Compaction

Environment

unix

• Severity: Normal
• Since Version: 2.2.7
• Assignee: Jay Zhuang
• Reporter: Jean-Baptiste Le Duigou

Authors

Jay Zhuang

Reviewers

Marcus Eriksson

• Created: 03/Oct/16 12:57
• Updated: 15/May/20 08:00
• Resolved: 01/May/18 22:32

Description

While running compaction I run into an error sometimes :

nodetool compact
error: null
-- StackTrace --
java.lang.AssertionError
        at org.apache.cassandra.io.compress.CompressionMetadata$Chunk.<init>(CompressionMetadata.java:463)
        at org.apache.cassandra.io.compress.CompressionMetadata.chunkFor(CompressionMetadata.java:228)
        at org.apache.cassandra.io.util.CompressedSegmentedFile.createMappedSegments(CompressedSegmentedFile.java:80)
        at org.apache.cassandra.io.util.CompressedPoolingSegmentedFile.<init>(CompressedPoolingSegmentedFile.java:38)
        at org.apache.cassandra.io.util.CompressedPoolingSegmentedFile$Builder.complete(CompressedPoolingSegmentedFile.java:101)
        at org.apache.cassandra.io.util.SegmentedFile$Builder.complete(SegmentedFile.java:198)
        at org.apache.cassandra.io.sstable.format.big.BigTableWriter.openEarly(BigTableWriter.java:315)
        at org.apache.cassandra.io.sstable.SSTableRewriter.maybeReopenEarly(SSTableRewriter.java:171)
        at org.apache.cassandra.io.sstable.SSTableRewriter.append(SSTableRewriter.java:116)
        at org.apache.cassandra.db.compaction.writers.DefaultCompactionWriter.append(DefaultCompactionWriter.java:64)
        at org.apache.cassandra.db.compaction.CompactionTask.runMayThrow(CompactionTask.java:184)
        at org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:28)
        at org.apache.cassandra.db.compaction.CompactionTask.executeInternal(CompactionTask.java:74)
        at org.apache.cassandra.db.compaction.AbstractCompactionTask.execute(AbstractCompactionTask.java:59)
        at org.apache.cassandra.db.compaction.CompactionManager$8.runMayThrow(CompactionManager.java:599)
        at org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:28)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
        at java.util.concurrent.FutureTask.run(FutureTask.java:266)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)

Why is that happening?
Is there anyway to provide more details (e.g. which SSTable cannot be compacted)?

We are using Cassandra 2.2.7

Issue Links

• is related to: CASSANDRA-13545 Exception in CompactionExecutor leading to tmplink files not being removed