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Posted to commits@cassandra.apache.org by "Jonathan Ellis (JIRA)" <ji...@apache.org> on 2011/09/14 18:02:12 UTC
[jira] [Commented] (CASSANDRA-3201) When a mmap fails, Cassandra
should exit.
[ https://issues.apache.org/jira/browse/CASSANDRA-3201?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13104602#comment-13104602 ]
Jonathan Ellis commented on CASSANDRA-3201:
-------------------------------------------
"Caused by: java.lang.OutOfMemoryError" makes it sounds like you hit your address space limit, is that right?
> When a mmap fails, Cassandra should exit.
> -----------------------------------------
>
> Key: CASSANDRA-3201
> URL: https://issues.apache.org/jira/browse/CASSANDRA-3201
> Project: Cassandra
> Issue Type: Improvement
> Environment: Ubuntu 10.04.2/sun-java6-jdk 6.24-1build0.10.04.1
> Reporter: Eldon Stegall
> Priority: Minor
>
> When a mmap fails, Cassandra should exit. See https://wiki.apache.org/cassandra/ArchitectureInternals#line-60
> Here is an example stack trace:
> ERROR 17:11:36,258 Fatal exception in thread Thread[FlushWriter:2003,5,main]
> java.io.IOError: java.io.IOException: Map failed
> at org.apache.cassandra.io.util.MmappedSegmentedFile$Builder.createSegments(MmappedSegmentedFile.java:170)
> at org.apache.cassandra.io.util.MmappedSegmentedFile$Builder.complete(MmappedSegmentedFile.java:147)
> at org.apache.cassandra.io.sstable.SSTableWriter.closeAndOpenReader(SSTableWriter.java:194)
> at org.apache.cassandra.io.sstable.SSTableWriter.closeAndOpenReader(SSTableWriter.java:173)
> at org.apache.cassandra.db.Memtable.writeSortedContents(Memtable.java:253)
> at org.apache.cassandra.db.Memtable.access$400(Memtable.java:49)
> at org.apache.cassandra.db.Memtable$3.runMayThrow(Memtable.java:270)
> at org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:30)
> at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> at java.lang.Thread.run(Thread.java:662)
> Caused by: java.io.IOException: Map failed
> at sun.nio.ch.FileChannelImpl.map(FileChannelImpl.java:748)
> at org.apache.cassandra.io.util.MmappedSegmentedFile$Builder.createSegments(MmappedSegmentedFile.java:162)
> ... 10 more
> Caused by: java.lang.OutOfMemoryError: Map failed
> at sun.nio.ch.FileChannelImpl.map0(Native Method)
> at sun.nio.ch.FileChannelImpl.map(FileChannelImpl.java:745)
> ... 11 more
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