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https://issues.apache.org/jira/browse/CASSANDRA-605?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12789127#action_12789127
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Jonathan Ellis commented on CASSANDRA-605:
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>From IRC:
junrao: if that doesn't add much overhead during writes, then it's ok
driftx: if there's a [performance] difference, it's negligible
> Corruption in CommitLog
> -----------------------
>
> Key: CASSANDRA-605
> URL: https://issues.apache.org/jira/browse/CASSANDRA-605
> Project: Cassandra
> Issue Type: Bug
> Affects Versions: 0.5
> Reporter: Chris Goffinet
> Assignee: Jonathan Ellis
> Fix For: 0.5
>
> Attachments: 605.patch
>
>
> We are seeing corruption in commit log files when cassandra gets shutdown
> sometimes. I can attach the commitlogs privately. Here is a stacktrace:
> INFO [main] 2009-12-05 14:59:25,946 RecoveryManager.java (line 64) Replaying
> /mnt/var/cassandra/commitlog/CommitLog-1259972135241.log,
> /mnt/var/cassandra/commitlog/CommitLog-1260050162791.log,
> /mnt/var/cassandra/commitlog/CommitLog-1260047770958.log,
> /mnt/var/cassandra/commitlog/CommitLog-1260052237605.log
> ERROR [COMPACTION-POOL:1] 2009-12-05 14:59:37,436
> DebuggableThreadPoolExecutor.java (line 120) Error in executor futuretask
> java.util.concurrent.ExecutionException: java.lang.NumberFormatException: For
> input string: "nan"
> at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:222)
> at java.util.concurrent.FutureTask.get(FutureTask.java:83)
> at
> org.apache.cassandra.concurrent.DebuggableThreadPoolExecutor.afterExecute(DebuggableThreadPoolExecutor.java:112)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:888)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> at java.lang.Thread.run(Thread.java:619)
> Caused by: java.lang.NumberFormatException: For input string: "nan"
> at
> sun.misc.FloatingDecimal.readJavaFormatString(FloatingDecimal.java:1224)
> at java.lang.Float.valueOf(Float.java:388)
> at java.lang.Float.<init>(Float.java:489)
> at
> com.digg.cassandra.db.marshal.FloatStringType.compare(FloatStringType.java:72)
> at
> com.digg.cassandra.db.marshal.FloatStringType.compare(FloatStringType.java:19)
> at
> java.util.concurrent.ConcurrentSkipListMap$ComparableUsingComparator.compareTo(ConcurrentSkipListMap.java:606)
> at
> java.util.concurrent.ConcurrentSkipListMap.doGet(ConcurrentSkipListMap.java:797)
> at
> java.util.concurrent.ConcurrentSkipListMap.get(ConcurrentSkipListMap.java:1640)
> at
> org.apache.cassandra.db.ColumnFamilyStore.removeDeletedStandard(ColumnFamilyStore.java:530)
> at
> org.apache.cassandra.db.ColumnFamilyStore.removeDeleted(ColumnFamilyStore.java:515)
> at
> org.apache.cassandra.io.CompactionIterator.getReduced(CompactionIterator.java:111)
> at
> org.apache.cassandra.io.CompactionIterator.getReduced(CompactionIterator.java:38)
> at
> org.apache.cassandra.utils.ReducingIterator.computeNext(ReducingIterator.java:73)
> at
> com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:135)
> at
> com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:130)
> at
> org.apache.commons.collections.iterators.FilterIterator.setNextObject(FilterIterator.java:183)
> at
> org.apache.commons.collections.iterators.FilterIterator.hasNext(FilterIterator.java:94)
> at
> org.apache.cassandra.db.ColumnFamilyStore.doFileCompaction(ColumnFamilyStore.java:919)
> at
> org.apache.cassandra.db.ColumnFamilyStore.doFileCompaction(ColumnFamilyStore.java:861)
> at
> org.apache.cassandra.db.ColumnFamilyStore.doCompaction(ColumnFamilyStore.java:663)
> at
> org.apache.cassandra.db.CompactionManager$1.call(CompactionManager.java:180)
> at
> org.apache.cassandra.db.CompactionManager$1.call(CompactionManager.java:177)
> at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
> at java.util.concurrent.FutureTask.run(FutureTask.java:138)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> ... 2 more
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