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  1. Cassandra
  2. CASSANDRA-10697

Leak detected while running offline scrub

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    Details

    • Type: Bug
    • Status: Resolved
    • Priority: Normal
    • Resolution: Fixed
    • Fix Version/s: 2.1.14, 2.2.6, 3.0.4, 3.4
    • Component/s: Legacy/Tools
    • Labels:
      None
    • Environment:

      C* 2.1.9 on Debian Wheezy

    • Severity:
      Normal

      Description

      I got couple of those:

      ERROR 05:09:15 LEAK DETECTED: a reference (org.apache.cassandra.utils.concurrent.Ref$State@3b60e162) to class org.apache.cassandra.io.sstable.SSTableReader$InstanceTidier@1433208674:/var/lib/cassandra/data/sync/entity2-e24b5040199b11e5a30f75bb514ae072/sync-entity2-ka-405434 was not released before the reference was garbage collected
      

      and then:

      Exception in thread "main" java.lang.OutOfMemoryError: Java heap space
      
              at org.apache.cassandra.io.compress.CompressedRandomAccessReader.decompressChunk(CompressedRandomAccessReader.java:99)
      
              at org.apache.cassandra.io.compress.CompressedRandomAccessReader.reBuffer(CompressedRandomAccessReader.java:81)
      
              at org.apache.cassandra.io.util.RandomAccessReader.read(RandomAccessReader.java:353)
      
              at java.io.RandomAccessFile.readFully(RandomAccessFile.java:444)
      
              at java.io.RandomAccessFile.readFully(RandomAccessFile.java:424)
      
              at org.apache.cassandra.io.util.RandomAccessReader.readBytes(RandomAccessReader.java:378)
      
              at org.apache.cassandra.utils.ByteBufferUtil.read(ByteBufferUtil.java:348)
      
              at org.apache.cassandra.utils.ByteBufferUtil.readWithShortLength(ByteBufferUtil.java:327)
      
              at org.apache.cassandra.db.composites.AbstractCType$Serializer.deserialize(AbstractCType.java:397)
      
              at org.apache.cassandra.db.composites.AbstractCType$Serializer.deserialize(AbstractCType.java:381)
      
              at org.apache.cassandra.db.OnDiskAtom$Serializer.deserializeFromSSTable(OnDiskAtom.java:75)
      
              at org.apache.cassandra.db.AbstractCell$1.computeNext(AbstractCell.java:52)
      
              at org.apache.cassandra.db.AbstractCell$1.computeNext(AbstractCell.java:46)
      
              at com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:143)
      
              at com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:138)
      
              at org.apache.cassandra.io.sstable.SSTableIdentityIterator.hasNext(SSTableIdentityIterator.java:120)
      
              at org.apache.cassandra.utils.MergeIterator$OneToOne.computeNext(MergeIterator.java:202)
      
              at com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:143)
      
              at com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:138)
      
              at com.google.common.collect.Iterators$7.computeNext(Iterators.java:645)
      
              at com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:143)
      
              at com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:138)
      
              at org.apache.cassandra.db.ColumnIndex$Builder.buildForCompaction(ColumnIndex.java:165)
      
              at org.apache.cassandra.db.compaction.LazilyCompactedRow.write(LazilyCompactedRow.java:121)
      
              at org.apache.cassandra.io.sstable.SSTableWriter.append(SSTableWriter.java:192)
      
              at org.apache.cassandra.io.sstable.SSTableRewriter.append(SSTableRewriter.java:127)
      
              at org.apache.cassandra.io.sstable.SSTableRewriter.tryAppend(SSTableRewriter.java:158)
      
              at org.apache.cassandra.db.compaction.Scrubber.scrub(Scrubber.java:220)
      
              at org.apache.cassandra.tools.StandaloneScrubber.main(StandaloneScrubber.java:116)
      

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            • Assignee:
              marcuse Marcus Eriksson
              Reporter:
              mlowicki mlowicki
              Authors:
              Marcus Eriksson
              Reviewers:
              Stefania Alborghetti
            • Votes:
              0 Vote for this issue
              Watchers:
              6 Start watching this issue

              Dates

              • Created:
                Updated:
                Resolved: