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https://issues.apache.org/jira/browse/CASSANDRA-4934?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13493751#comment-13493751
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Vijay commented on CASSANDRA-4934:
----------------------------------
>From the logs i see the following events:
at, 2012-11-08 09:35:18,257 compaction failed on
SSTableReader(path='/tmp/dtest-n2D_fM/test/node2/data/system/local/system-local-ia-9-Data.db'),
SSTableReader(path='/tmp/dtest-n2D_fM/test/node2/data/system/local/system-local-ia-11-Data.db'),
SSTableReader(path='/tmp/dtest-n2D_fM/test/node2/data/system/local/system-local-ia-10-Data.db'),
SSTableReader(path='/tmp/dtest-n2D_fM/test/node2/data/system/local/system-local-ia-13-Data.db')]
at, 2012-11-08 09:35:18,290 Compaction completed sucessfully on
SSTableReader(path='/tmp/dtest-n2D_fM/test/node2/data/system/local/system-local-ia-9-Data.db'),
SSTableReader(path='/tmp/dtest-n2D_fM/test/node2/data/system/local/system-local-ia-11-Data.db'),
SSTableReader(path='/tmp/dtest-n2D_fM/test/node2/data/system/local/system-local-ia-10-Data.db'),
SSTableReader(path='/tmp/dtest-n2D_fM/test/node2/data/system/local/system-local-ia-12-Data.db'),
SSTableReader(path='/tmp/dtest-n2D_fM/test/node2/data/system/local/system-local-ia-13-Data.db')]
only thing which i can think of is to make Memory peer variable volatile but
not sure i am looking at right places.
> assertion error in offheap bloom filter
> ---------------------------------------
>
> Key: CASSANDRA-4934
> URL: https://issues.apache.org/jira/browse/CASSANDRA-4934
> Project: Cassandra
> Issue Type: Bug
> Components: Core
> Affects Versions: 1.2.0 beta 2
> Reporter: Brandon Williams
> Assignee: Vijay
> Fix For: 1.2.0 rc1
>
> Attachments: log.txt
>
>
> Saw this while running the dtests:
> {noformat}
> INFO [CompactionExecutor:2] 2012-11-08 09:35:18,206 CompactionTask.java
> (line 116) Compacting
> [SSTableReader(path='/tmp/dtest-n2D_fM/test/node2/data/system/local/system-local-ia-9-Data.db'),
>
> SSTableReader(path='/tmp/dtest-n2D_fM/test/node2/data/system/local/system-local-ia-11-Data.db'),
>
> SSTableReader(path='/tmp/dtest-n2D_fM/test/node2/data/system/local/system-local-ia-10-Data.db'),
>
> SSTableReader(path='/tmp/dtest-n2D_fM/test/node2/data/system/local/system-local-ia-13-Data.db')]
> ERROR [CompactionExecutor:2] 2012-11-08 09:35:18,257 CassandraDaemon.java
> (line 132) Exception in thread Thread[CompactionExecutor:2,1,main]
> java.lang.AssertionError: Memory was freed
> at org.apache.cassandra.io.util.Memory.checkPosition(Memory.java:134)
> at org.apache.cassandra.io.util.Memory.getByte(Memory.java:104)
> at org.apache.cassandra.utils.obs.OffHeapBitSet.get(OffHeapBitSet.java:60)
> at org.apache.cassandra.utils.BloomFilter.isPresent(BloomFilter.java:71)
> at
> org.apache.cassandra.db.compaction.CompactionController.shouldPurge(CompactionController.java:106)
> at
> org.apache.cassandra.db.compaction.PrecompactedRow.removeDeletedAndOldShards(PrecompactedRow.java:64)
> at
> org.apache.cassandra.db.compaction.PrecompactedRow.<init>(PrecompactedRow.java:95)
> at
> org.apache.cassandra.db.compaction.CompactionController.getCompactedRow(CompactionController.java:151)
> at
> org.apache.cassandra.db.compaction.CompactionIterable$Reducer.getReduced(CompactionIterable.java:72)
> at
> org.apache.cassandra.db.compaction.CompactionIterable$Reducer.getReduced(CompactionIterable.java:57)
> at
> org.apache.cassandra.utils.MergeIterator$ManyToOne.consume(MergeIterator.java:114)
> at
> org.apache.cassandra.utils.MergeIterator$ManyToOne.computeNext(MergeIterator.java:97)
> 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$8.computeNext(Iterators.java:734)
> at
> com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:143)
> at
> com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:138)
> at
> org.apache.cassandra.db.compaction.CompactionTask.runWith(CompactionTask.java:146)
> at
> org.apache.cassandra.io.util.DiskAwareRunnable.runMayThrow(DiskAwareRunnable.java:48)
> at org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:28)
> at
> org.apache.cassandra.db.compaction.CompactionTask.execute(CompactionTask.java:69)
> at
> org.apache.cassandra.db.compaction.CompactionManager$BackgroundCompactionTask.run(CompactionManager.java:179)
> at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
> at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
> at java.util.concurrent.FutureTask.run(FutureTask.java:138)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> at java.lang.Thread.run(Thread.java:662)
> {noformat}
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