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Posted to commits@cassandra.apache.org by "Eldon Stegall (JIRA)" <ji...@apache.org> on 2011/09/13 17:34:12 UTC
[jira] [Created] (CASSANDRA-3201) When a mmap fails, Cassandra
should exit.
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
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[jira] [Updated] (CASSANDRA-3201) When a mmap fails, Cassandra
should exit.
Posted by "Jonathan Ellis (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/CASSANDRA-3201?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jonathan Ellis updated CASSANDRA-3201:
--------------------------------------
Attachment: 3201-v2.txt
v2 checks the exception chain in the uncaught exception handler instead of doing a one-off just for FC.map
> 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
> Attachments: 3201-v2.txt, 3201.txt
>
>
> 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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[jira] [Updated] (CASSANDRA-3201) When a mmap fails, Cassandra
should exit.
Posted by "Jonathan Ellis (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/CASSANDRA-3201?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jonathan Ellis updated CASSANDRA-3201:
--------------------------------------
Attachment: 3201.txt
Patch to unwrap the OOME so the "main" OOME-catcher in AbstractCassandraDaemon will shut down the server.
> 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
> Attachments: 3201.txt
>
>
> 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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[jira] [Resolved] (CASSANDRA-3201) When a mmap fails, Cassandra
should exit.
Posted by "Jonathan Ellis (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/CASSANDRA-3201?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jonathan Ellis resolved CASSANDRA-3201.
---------------------------------------
Resolution: Fixed
Fix Version/s: 1.0.0
0.8.7
Reviewer: slebresne
Assignee: Jonathan Ellis
committed
> 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
> Assignee: Jonathan Ellis
> Priority: Minor
> Fix For: 0.8.7, 1.0.0
>
> Attachments: 3201-v2.txt, 3201.txt
>
>
> 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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[jira] [Commented] (CASSANDRA-3201) When a mmap fails, Cassandra
should exit.
Posted by "Hudson (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/CASSANDRA-3201?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13106774#comment-13106774 ]
Hudson commented on CASSANDRA-3201:
-----------------------------------
Integrated in Cassandra-0.8 #332 (See [https://builds.apache.org/job/Cassandra-0.8/332/])
Kill server on wrapped OOME such as from FileChannel.map
patch by jbellis; reviewed by slebresne for CASSANDRA-3201
jbellis : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1171737
Files :
* /cassandra/branches/cassandra-0.8/CHANGES.txt
* /cassandra/branches/cassandra-0.8/src/java/org/apache/cassandra/service/AbstractCassandraDaemon.java
> 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
> Assignee: Jonathan Ellis
> Priority: Minor
> Fix For: 0.8.7, 1.0.0
>
> Attachments: 3201-v2.txt, 3201.txt
>
>
> 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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[jira] [Commented] (CASSANDRA-3201) When a mmap fails, Cassandra
should exit.
Posted by "Sylvain Lebresne (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/CASSANDRA-3201?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13105236#comment-13105236 ]
Sylvain Lebresne commented on CASSANDRA-3201:
---------------------------------------------
lgtm, +1
> 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
> Attachments: 3201.txt
>
>
> 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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[jira] [Updated] (CASSANDRA-3201) When a mmap fails, Cassandra
should exit.
Posted by "Eldon Stegall (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/CASSANDRA-3201?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Eldon Stegall updated CASSANDRA-3201:
-------------------------------------
Description:
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
was:When a mmap fails, Cassandra should exit. See https://wiki.apache.org/cassandra/ArchitectureInternals#line-60
> 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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[jira] [Commented] (CASSANDRA-3201) When a mmap fails, Cassandra
should exit.
Posted by "Sylvain Lebresne (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/CASSANDRA-3201?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13105987#comment-13105987 ]
Sylvain Lebresne commented on CASSANDRA-3201:
---------------------------------------------
even better, +1
> 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
> Attachments: 3201-v2.txt, 3201.txt
>
>
> 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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[jira] [Commented] (CASSANDRA-3201) When a mmap fails, Cassandra
should exit.
Posted by "Jonathan Ellis (JIRA)" <ji...@apache.org>.
[ 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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