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Posted to commits@cassandra.apache.org by "Jonathan Ellis (Created) (JIRA)" <ji...@apache.org> on 2012/02/24 22:51:50 UTC
[jira] [Created] (CASSANDRA-3957) Supercolumn serialization
assertion failure
Supercolumn serialization assertion failure
-------------------------------------------
Key: CASSANDRA-3957
URL: https://issues.apache.org/jira/browse/CASSANDRA-3957
Project: Cassandra
Issue Type: Bug
Reporter: Jonathan Ellis
Assignee: Yuki Morishita
Fix For: 1.0.9
As reported at http://mail-archives.apache.org/mod_mbox/cassandra-user/201202.mbox/%3CCADJL=w5kH5TEQXOwhTn5Jm3cmR4Rj=NfjcqLryXV7pLyASi95A@mail.gmail.com%3E,
{noformat}
ERROR 10:51:44,282 Fatal exception in thread
Thread[COMMIT-LOG-WRITER,5,main]
java.lang.AssertionError: Final buffer length 4690 to accomodate data size
of 2347 (predicted 2344) for RowMutation(keyspace='Player',
key='36336138643338652d366162302d343334392d383466302d356166643863353133356465',
modifications=[ColumnFamily(PlayerCity [SuperColumn(owneditem_1019
[]),SuperColumn(owneditem_1024 []),SuperColumn(owneditem_1026
[]),SuperColumn(owneditem_1074 []),SuperColumn(owneditem_1077
[]),SuperColumn(owneditem_1084 []),SuperColumn(owneditem_1094
[]),SuperColumn(owneditem_1130 []),SuperColumn(owneditem_1136
[]),SuperColumn(owneditem_1141 []),SuperColumn(owneditem_1142
[]),SuperColumn(owneditem_1145 []),SuperColumn(owneditem_1218
[636f6e6e6563746564:false:5@1329648704269002
,63757272656e744865616c7468:false:3@1329648704269006
,656e64436f6e737472756374696f6e54696d65:false:13@1329648704269007
,6964:false:4@1329648704269000,6974656d4964:false:15@1329648704269001
,6c61737444657374726f79656454696d65:false:1@1329648704269008
,6c61737454696d65436f6c6c6563746564:false:13@1329648704269005
,736b696e4964:false:7@1329648704269009,78:false:4@1329648704269003
,79:false:3@1329648704269004,]),SuperColumn(owneditem_133
[]),SuperColumn(owneditem_134 []),SuperColumn(owneditem_135
[]),SuperColumn(owneditem_141 []),SuperColumn(owneditem_147
[]),SuperColumn(owneditem_154 []),SuperColumn(owneditem_159
[]),SuperColumn(owneditem_171 []),SuperColumn(owneditem_253
[]),SuperColumn(owneditem_422 []),SuperColumn(owneditem_438
[]),SuperColumn(owneditem_515 []),SuperColumn(owneditem_521
[]),SuperColumn(owneditem_523 []),SuperColumn(owneditem_525
[]),SuperColumn(owneditem_562 []),SuperColumn(owneditem_61
[]),SuperColumn(owneditem_634 []),SuperColumn(owneditem_636
[]),SuperColumn(owneditem_71 []),SuperColumn(owneditem_712
[]),SuperColumn(owneditem_720 []),SuperColumn(owneditem_728
[]),SuperColumn(owneditem_787 []),SuperColumn(owneditem_797
[]),SuperColumn(owneditem_798 []),SuperColumn(owneditem_838
[]),SuperColumn(owneditem_842 []),SuperColumn(owneditem_847
[]),SuperColumn(owneditem_849 []),SuperColumn(owneditem_851
[]),SuperColumn(owneditem_852 []),SuperColumn(owneditem_853
[]),SuperColumn(owneditem_854 []),SuperColumn(owneditem_857
[]),SuperColumn(owneditem_858 []),SuperColumn(owneditem_874
[]),SuperColumn(owneditem_884 []),SuperColumn(owneditem_886
[]),SuperColumn(owneditem_908 []),SuperColumn(owneditem_91
[]),SuperColumn(owneditem_911 []),SuperColumn(owneditem_930
[]),SuperColumn(owneditem_934 []),SuperColumn(owneditem_937
[]),SuperColumn(owneditem_944 []),SuperColumn(owneditem_945
[]),SuperColumn(owneditem_962 []),SuperColumn(owneditem_963
[]),SuperColumn(owneditem_964 []),])])
at org.apache.cassandra.utils.FBUtilities.serialize(FBUtilities.java:682)
at org.apache.cassandra.db.RowMutation.getSerializedBuffer(RowMutation.java:279)
at org.apache.cassandra.db.commitlog.CommitLogSegment.write(CommitLogSegment.java:122)
at org.apache.cassandra.db.commitlog.CommitLog$LogRecordAdder.run(CommitLog.java:599)
at org.apache.cassandra.db.commitlog.PeriodicCommitLogExecutorService$1.runMayThrow(PeriodicCommitLogExecutorService.java:49)
at org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:30)
at java.lang.Thread.run(Thread.java:662)
{noformat}
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[jira] [Updated] (CASSANDRA-3957) Supercolumn serialization
assertion failure
Posted by "Sylvain Lebresne (Updated) (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/CASSANDRA-3957?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Sylvain Lebresne updated CASSANDRA-3957:
----------------------------------------
Attachment: 3957.txt
Here's my theory.
The stacktrace concerning the sblocks is due to a bug in DSE's CFS. This happened because CFS sometimes communicate with C* in the same JVM without going trough the wire, so the re-use of ByteBuffer was problematic.
The other stacktrace however can't be the same problem. Whatever Hector does, it goes over the wire and thus can't change the size of a ByteBuffer in C*.
However, if we eliminate the sblocks trace, all the other trace uses SuperColumn. And as it turns out, I think we have a race with SC. As Jonathan pointed out, with the period commit log, if we happen to modify a mutation that was sent to the commit log at any time, that would be a bug. This means not modifying the CF object in the RowMutation, but for SuperColumn, this also mean we shouldn't modify those super columns. However, when we update the row cache (and if it's not a SerializingCache), we do potentially store references to the original SCs in the cached row, which could then lead to the stack trace on this issue. I'm attaching a patch that fixes this.
To make sure this could be the issue here, it would help to know if the stacktrace comes from column families where row cache was used and was not set to the serializing cache.
I'll note however that the very small difference in the stacktraces between the predicted size and the actual serialized side support the theory of having say just one column of a super column updated, while in the sblocks case, the difference was much bigger, supporting the theory of the ByteBuffer content being changed to something completely different.
> Supercolumn serialization assertion failure
> -------------------------------------------
>
> Key: CASSANDRA-3957
> URL: https://issues.apache.org/jira/browse/CASSANDRA-3957
> Project: Cassandra
> Issue Type: Bug
> Reporter: Jonathan Ellis
> Labels: datastax_qa
> Fix For: 1.0.9, 1.1.0
>
> Attachments: 3957.txt
>
>
> As reported at http://mail-archives.apache.org/mod_mbox/cassandra-user/201202.mbox/%3CCADJL=w5kH5TEQXOwhTn5Jm3cmR4Rj=NfjcqLryXV7pLyASi95A@mail.gmail.com%3E,
> {noformat}
> ERROR 10:51:44,282 Fatal exception in thread
> Thread[COMMIT-LOG-WRITER,5,main]
> java.lang.AssertionError: Final buffer length 4690 to accomodate data size
> of 2347 (predicted 2344) for RowMutation(keyspace='Player',
> key='36336138643338652d366162302d343334392d383466302d356166643863353133356465',
> modifications=[ColumnFamily(PlayerCity [SuperColumn(owneditem_1019
> []),SuperColumn(owneditem_1024 []),SuperColumn(owneditem_1026
> []),SuperColumn(owneditem_1074 []),SuperColumn(owneditem_1077
> []),SuperColumn(owneditem_1084 []),SuperColumn(owneditem_1094
> []),SuperColumn(owneditem_1130 []),SuperColumn(owneditem_1136
> []),SuperColumn(owneditem_1141 []),SuperColumn(owneditem_1142
> []),SuperColumn(owneditem_1145 []),SuperColumn(owneditem_1218
> [636f6e6e6563746564:false:5@1329648704269002
> ,63757272656e744865616c7468:false:3@1329648704269006
> ,656e64436f6e737472756374696f6e54696d65:false:13@1329648704269007
> ,6964:false:4@1329648704269000,6974656d4964:false:15@1329648704269001
> ,6c61737444657374726f79656454696d65:false:1@1329648704269008
> ,6c61737454696d65436f6c6c6563746564:false:13@1329648704269005
> ,736b696e4964:false:7@1329648704269009,78:false:4@1329648704269003
> ,79:false:3@1329648704269004,]),SuperColumn(owneditem_133
> []),SuperColumn(owneditem_134 []),SuperColumn(owneditem_135
> []),SuperColumn(owneditem_141 []),SuperColumn(owneditem_147
> []),SuperColumn(owneditem_154 []),SuperColumn(owneditem_159
> []),SuperColumn(owneditem_171 []),SuperColumn(owneditem_253
> []),SuperColumn(owneditem_422 []),SuperColumn(owneditem_438
> []),SuperColumn(owneditem_515 []),SuperColumn(owneditem_521
> []),SuperColumn(owneditem_523 []),SuperColumn(owneditem_525
> []),SuperColumn(owneditem_562 []),SuperColumn(owneditem_61
> []),SuperColumn(owneditem_634 []),SuperColumn(owneditem_636
> []),SuperColumn(owneditem_71 []),SuperColumn(owneditem_712
> []),SuperColumn(owneditem_720 []),SuperColumn(owneditem_728
> []),SuperColumn(owneditem_787 []),SuperColumn(owneditem_797
> []),SuperColumn(owneditem_798 []),SuperColumn(owneditem_838
> []),SuperColumn(owneditem_842 []),SuperColumn(owneditem_847
> []),SuperColumn(owneditem_849 []),SuperColumn(owneditem_851
> []),SuperColumn(owneditem_852 []),SuperColumn(owneditem_853
> []),SuperColumn(owneditem_854 []),SuperColumn(owneditem_857
> []),SuperColumn(owneditem_858 []),SuperColumn(owneditem_874
> []),SuperColumn(owneditem_884 []),SuperColumn(owneditem_886
> []),SuperColumn(owneditem_908 []),SuperColumn(owneditem_91
> []),SuperColumn(owneditem_911 []),SuperColumn(owneditem_930
> []),SuperColumn(owneditem_934 []),SuperColumn(owneditem_937
> []),SuperColumn(owneditem_944 []),SuperColumn(owneditem_945
> []),SuperColumn(owneditem_962 []),SuperColumn(owneditem_963
> []),SuperColumn(owneditem_964 []),])])
> at org.apache.cassandra.utils.FBUtilities.serialize(FBUtilities.java:682)
> at org.apache.cassandra.db.RowMutation.getSerializedBuffer(RowMutation.java:279)
> at org.apache.cassandra.db.commitlog.CommitLogSegment.write(CommitLogSegment.java:122)
> at org.apache.cassandra.db.commitlog.CommitLog$LogRecordAdder.run(CommitLog.java:599)
> at org.apache.cassandra.db.commitlog.PeriodicCommitLogExecutorService$1.runMayThrow(PeriodicCommitLogExecutorService.java:49)
> at org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:30)
> at java.lang.Thread.run(Thread.java:662)
> {noformat}
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[jira] [Commented] (CASSANDRA-3957) Supercolumn serialization
assertion failure
Posted by "Jonathan Ellis (Commented) (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/CASSANDRA-3957?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13224522#comment-13224522 ]
Jonathan Ellis commented on CASSANDRA-3957:
-------------------------------------------
+1
> Supercolumn serialization assertion failure
> -------------------------------------------
>
> Key: CASSANDRA-3957
> URL: https://issues.apache.org/jira/browse/CASSANDRA-3957
> Project: Cassandra
> Issue Type: Bug
> Reporter: Jonathan Ellis
> Assignee: Sylvain Lebresne
> Labels: datastax_qa
> Fix For: 1.0.9, 1.1.0
>
> Attachments: 3957.txt
>
>
> As reported at http://mail-archives.apache.org/mod_mbox/cassandra-user/201202.mbox/%3CCADJL=w5kH5TEQXOwhTn5Jm3cmR4Rj=NfjcqLryXV7pLyASi95A@mail.gmail.com%3E,
> {noformat}
> ERROR 10:51:44,282 Fatal exception in thread
> Thread[COMMIT-LOG-WRITER,5,main]
> java.lang.AssertionError: Final buffer length 4690 to accomodate data size
> of 2347 (predicted 2344) for RowMutation(keyspace='Player',
> key='36336138643338652d366162302d343334392d383466302d356166643863353133356465',
> modifications=[ColumnFamily(PlayerCity [SuperColumn(owneditem_1019
> []),SuperColumn(owneditem_1024 []),SuperColumn(owneditem_1026
> []),SuperColumn(owneditem_1074 []),SuperColumn(owneditem_1077
> []),SuperColumn(owneditem_1084 []),SuperColumn(owneditem_1094
> []),SuperColumn(owneditem_1130 []),SuperColumn(owneditem_1136
> []),SuperColumn(owneditem_1141 []),SuperColumn(owneditem_1142
> []),SuperColumn(owneditem_1145 []),SuperColumn(owneditem_1218
> [636f6e6e6563746564:false:5@1329648704269002
> ,63757272656e744865616c7468:false:3@1329648704269006
> ,656e64436f6e737472756374696f6e54696d65:false:13@1329648704269007
> ,6964:false:4@1329648704269000,6974656d4964:false:15@1329648704269001
> ,6c61737444657374726f79656454696d65:false:1@1329648704269008
> ,6c61737454696d65436f6c6c6563746564:false:13@1329648704269005
> ,736b696e4964:false:7@1329648704269009,78:false:4@1329648704269003
> ,79:false:3@1329648704269004,]),SuperColumn(owneditem_133
> []),SuperColumn(owneditem_134 []),SuperColumn(owneditem_135
> []),SuperColumn(owneditem_141 []),SuperColumn(owneditem_147
> []),SuperColumn(owneditem_154 []),SuperColumn(owneditem_159
> []),SuperColumn(owneditem_171 []),SuperColumn(owneditem_253
> []),SuperColumn(owneditem_422 []),SuperColumn(owneditem_438
> []),SuperColumn(owneditem_515 []),SuperColumn(owneditem_521
> []),SuperColumn(owneditem_523 []),SuperColumn(owneditem_525
> []),SuperColumn(owneditem_562 []),SuperColumn(owneditem_61
> []),SuperColumn(owneditem_634 []),SuperColumn(owneditem_636
> []),SuperColumn(owneditem_71 []),SuperColumn(owneditem_712
> []),SuperColumn(owneditem_720 []),SuperColumn(owneditem_728
> []),SuperColumn(owneditem_787 []),SuperColumn(owneditem_797
> []),SuperColumn(owneditem_798 []),SuperColumn(owneditem_838
> []),SuperColumn(owneditem_842 []),SuperColumn(owneditem_847
> []),SuperColumn(owneditem_849 []),SuperColumn(owneditem_851
> []),SuperColumn(owneditem_852 []),SuperColumn(owneditem_853
> []),SuperColumn(owneditem_854 []),SuperColumn(owneditem_857
> []),SuperColumn(owneditem_858 []),SuperColumn(owneditem_874
> []),SuperColumn(owneditem_884 []),SuperColumn(owneditem_886
> []),SuperColumn(owneditem_908 []),SuperColumn(owneditem_91
> []),SuperColumn(owneditem_911 []),SuperColumn(owneditem_930
> []),SuperColumn(owneditem_934 []),SuperColumn(owneditem_937
> []),SuperColumn(owneditem_944 []),SuperColumn(owneditem_945
> []),SuperColumn(owneditem_962 []),SuperColumn(owneditem_963
> []),SuperColumn(owneditem_964 []),])])
> at org.apache.cassandra.utils.FBUtilities.serialize(FBUtilities.java:682)
> at org.apache.cassandra.db.RowMutation.getSerializedBuffer(RowMutation.java:279)
> at org.apache.cassandra.db.commitlog.CommitLogSegment.write(CommitLogSegment.java:122)
> at org.apache.cassandra.db.commitlog.CommitLog$LogRecordAdder.run(CommitLog.java:599)
> at org.apache.cassandra.db.commitlog.PeriodicCommitLogExecutorService$1.runMayThrow(PeriodicCommitLogExecutorService.java:49)
> at org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:30)
> at java.lang.Thread.run(Thread.java:662)
> {noformat}
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[jira] [Reopened] (CASSANDRA-3957) Supercolumn serialization
assertion failure
Posted by "Jackson Chung (Reopened) (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/CASSANDRA-3957?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jackson Chung reopened CASSANDRA-3957:
--------------------------------------
this comes from a difference use case. the client code is in hector, maybe we need to look into how hector is handling the bytebuffer too?
ERROR [COMMIT-LOG-WRITER] 2012-02-20 06:16:56,621 org.apache.cassandra.service.AbstractCassandraDaemon Fatal exception in thread Thread[COMMIT-LOG-WRITER,5,main]
java.lang.AssertionError: Final buffer length 275 to accomodate data size of 271 (predicted 275) for RowMutation(keyspace='foo', key='984fb8106d3ff5043365736457c45085', modifications=[ColumnFa
mily(Dora_la [SuperColumn(1329718356206 [5f656e64:false:1@1329718616576004,5f6c6173744576656e7454696d65:false:8@1329718616576003,5f6c61737450617468:false:8@1329718616576005,5f76697369744576
656e74496e646578:false:4@1329718616576002,5f76697369744964:false:16@1329718616576000,5f7669736974496e646578:false:4@1329718616576001,]),])])
at org.apache.cassandra.utils.FBUtilities.serialize(FBUtilities.java:682)
at org.apache.cassandra.db.RowMutation.getSerializedBuffer(RowMutation.java:279)
at org.apache.cassandra.db.commitlog.CommitLogSegment.write(CommitLogSegment.java:122)
at org.apache.cassandra.db.commitlog.CommitLog$LogRecordAdder.run(CommitLog.java:599)
at org.apache.cassandra.db.commitlog.PeriodicCommitLogExecutorService$1.runMayThrow(PeriodicCommitLogExecutorService.java:49)
at org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:30)
at java.lang.Thread.run(Thread.java:662)
ERROR [COMMIT-LOG-WRITER] 2012-02-07 22:33:09,691 org.apache.cassandra.service.AbstractCassandraDaemon Fatal exception in thread Thread[COMMIT-LOG-WRITER,5,main]
java.lang.AssertionError: Final buffer length 550 to accomodate data size of 275 (predicted 271) for RowMutation(keyspace='dyn', key='7836ab62d10ddb48d00668639ebdf6ce', modifications=[ColumnFa
mily(Dora_la [SuperColumn(1328653749409 [5f656e64:false:1@1328653989655004,5f6c6173744576656e7454696d65:false:8@1328653989655003,5f6c61737450617468:false:12@1328653989655005,5f7669736974457
6656e74496e646578:false:4@1328653989655002,5f76697369744964:false:16@1328653989655000,5f7669736974496e646578:false:4@1328653989655001,]),])])
at org.apache.cassandra.utils.FBUtilities.serialize(FBUtilities.java:682)
at org.apache.cassandra.db.RowMutation.getSerializedBuffer(RowMutation.java:279)
at org.apache.cassandra.db.commitlog.CommitLogSegment.write(CommitLogSegment.java:122)
at org.apache.cassandra.db.commitlog.CommitLog$LogRecordAdder.run(CommitLog.java:599)
at org.apache.cassandra.db.commitlog.PeriodicCommitLogExecutorService$1.runMayThrow(PeriodicCommitLogExecutorService.java:49)
at org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:30)
at java.lang.Thread.run(Thread.java:662)
> Supercolumn serialization assertion failure
> -------------------------------------------
>
> Key: CASSANDRA-3957
> URL: https://issues.apache.org/jira/browse/CASSANDRA-3957
> Project: Cassandra
> Issue Type: Bug
> Reporter: Jonathan Ellis
> Labels: datastax_qa
>
> As reported at http://mail-archives.apache.org/mod_mbox/cassandra-user/201202.mbox/%3CCADJL=w5kH5TEQXOwhTn5Jm3cmR4Rj=NfjcqLryXV7pLyASi95A@mail.gmail.com%3E,
> {noformat}
> ERROR 10:51:44,282 Fatal exception in thread
> Thread[COMMIT-LOG-WRITER,5,main]
> java.lang.AssertionError: Final buffer length 4690 to accomodate data size
> of 2347 (predicted 2344) for RowMutation(keyspace='Player',
> key='36336138643338652d366162302d343334392d383466302d356166643863353133356465',
> modifications=[ColumnFamily(PlayerCity [SuperColumn(owneditem_1019
> []),SuperColumn(owneditem_1024 []),SuperColumn(owneditem_1026
> []),SuperColumn(owneditem_1074 []),SuperColumn(owneditem_1077
> []),SuperColumn(owneditem_1084 []),SuperColumn(owneditem_1094
> []),SuperColumn(owneditem_1130 []),SuperColumn(owneditem_1136
> []),SuperColumn(owneditem_1141 []),SuperColumn(owneditem_1142
> []),SuperColumn(owneditem_1145 []),SuperColumn(owneditem_1218
> [636f6e6e6563746564:false:5@1329648704269002
> ,63757272656e744865616c7468:false:3@1329648704269006
> ,656e64436f6e737472756374696f6e54696d65:false:13@1329648704269007
> ,6964:false:4@1329648704269000,6974656d4964:false:15@1329648704269001
> ,6c61737444657374726f79656454696d65:false:1@1329648704269008
> ,6c61737454696d65436f6c6c6563746564:false:13@1329648704269005
> ,736b696e4964:false:7@1329648704269009,78:false:4@1329648704269003
> ,79:false:3@1329648704269004,]),SuperColumn(owneditem_133
> []),SuperColumn(owneditem_134 []),SuperColumn(owneditem_135
> []),SuperColumn(owneditem_141 []),SuperColumn(owneditem_147
> []),SuperColumn(owneditem_154 []),SuperColumn(owneditem_159
> []),SuperColumn(owneditem_171 []),SuperColumn(owneditem_253
> []),SuperColumn(owneditem_422 []),SuperColumn(owneditem_438
> []),SuperColumn(owneditem_515 []),SuperColumn(owneditem_521
> []),SuperColumn(owneditem_523 []),SuperColumn(owneditem_525
> []),SuperColumn(owneditem_562 []),SuperColumn(owneditem_61
> []),SuperColumn(owneditem_634 []),SuperColumn(owneditem_636
> []),SuperColumn(owneditem_71 []),SuperColumn(owneditem_712
> []),SuperColumn(owneditem_720 []),SuperColumn(owneditem_728
> []),SuperColumn(owneditem_787 []),SuperColumn(owneditem_797
> []),SuperColumn(owneditem_798 []),SuperColumn(owneditem_838
> []),SuperColumn(owneditem_842 []),SuperColumn(owneditem_847
> []),SuperColumn(owneditem_849 []),SuperColumn(owneditem_851
> []),SuperColumn(owneditem_852 []),SuperColumn(owneditem_853
> []),SuperColumn(owneditem_854 []),SuperColumn(owneditem_857
> []),SuperColumn(owneditem_858 []),SuperColumn(owneditem_874
> []),SuperColumn(owneditem_884 []),SuperColumn(owneditem_886
> []),SuperColumn(owneditem_908 []),SuperColumn(owneditem_91
> []),SuperColumn(owneditem_911 []),SuperColumn(owneditem_930
> []),SuperColumn(owneditem_934 []),SuperColumn(owneditem_937
> []),SuperColumn(owneditem_944 []),SuperColumn(owneditem_945
> []),SuperColumn(owneditem_962 []),SuperColumn(owneditem_963
> []),SuperColumn(owneditem_964 []),])])
> at org.apache.cassandra.utils.FBUtilities.serialize(FBUtilities.java:682)
> at org.apache.cassandra.db.RowMutation.getSerializedBuffer(RowMutation.java:279)
> at org.apache.cassandra.db.commitlog.CommitLogSegment.write(CommitLogSegment.java:122)
> at org.apache.cassandra.db.commitlog.CommitLog$LogRecordAdder.run(CommitLog.java:599)
> at org.apache.cassandra.db.commitlog.PeriodicCommitLogExecutorService$1.runMayThrow(PeriodicCommitLogExecutorService.java:49)
> at org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:30)
> at java.lang.Thread.run(Thread.java:662)
> {noformat}
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[jira] [Commented] (CASSANDRA-3957) Supercolumn serialization
assertion failure
Posted by "Jonathan Ellis (Commented) (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/CASSANDRA-3957?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13224574#comment-13224574 ]
Jonathan Ellis commented on CASSANDRA-3957:
-------------------------------------------
Thomas (the reporter of the original stack trace in the description) just confirmed on the mailing list that he was using row cache / CLHC.
> Supercolumn serialization assertion failure
> -------------------------------------------
>
> Key: CASSANDRA-3957
> URL: https://issues.apache.org/jira/browse/CASSANDRA-3957
> Project: Cassandra
> Issue Type: Bug
> Reporter: Jonathan Ellis
> Assignee: Sylvain Lebresne
> Labels: datastax_qa
> Fix For: 1.0.9, 1.1.0
>
> Attachments: 3957.txt
>
>
> As reported at http://mail-archives.apache.org/mod_mbox/cassandra-user/201202.mbox/%3CCADJL=w5kH5TEQXOwhTn5Jm3cmR4Rj=NfjcqLryXV7pLyASi95A@mail.gmail.com%3E,
> {noformat}
> ERROR 10:51:44,282 Fatal exception in thread
> Thread[COMMIT-LOG-WRITER,5,main]
> java.lang.AssertionError: Final buffer length 4690 to accomodate data size
> of 2347 (predicted 2344) for RowMutation(keyspace='Player',
> key='36336138643338652d366162302d343334392d383466302d356166643863353133356465',
> modifications=[ColumnFamily(PlayerCity [SuperColumn(owneditem_1019
> []),SuperColumn(owneditem_1024 []),SuperColumn(owneditem_1026
> []),SuperColumn(owneditem_1074 []),SuperColumn(owneditem_1077
> []),SuperColumn(owneditem_1084 []),SuperColumn(owneditem_1094
> []),SuperColumn(owneditem_1130 []),SuperColumn(owneditem_1136
> []),SuperColumn(owneditem_1141 []),SuperColumn(owneditem_1142
> []),SuperColumn(owneditem_1145 []),SuperColumn(owneditem_1218
> [636f6e6e6563746564:false:5@1329648704269002
> ,63757272656e744865616c7468:false:3@1329648704269006
> ,656e64436f6e737472756374696f6e54696d65:false:13@1329648704269007
> ,6964:false:4@1329648704269000,6974656d4964:false:15@1329648704269001
> ,6c61737444657374726f79656454696d65:false:1@1329648704269008
> ,6c61737454696d65436f6c6c6563746564:false:13@1329648704269005
> ,736b696e4964:false:7@1329648704269009,78:false:4@1329648704269003
> ,79:false:3@1329648704269004,]),SuperColumn(owneditem_133
> []),SuperColumn(owneditem_134 []),SuperColumn(owneditem_135
> []),SuperColumn(owneditem_141 []),SuperColumn(owneditem_147
> []),SuperColumn(owneditem_154 []),SuperColumn(owneditem_159
> []),SuperColumn(owneditem_171 []),SuperColumn(owneditem_253
> []),SuperColumn(owneditem_422 []),SuperColumn(owneditem_438
> []),SuperColumn(owneditem_515 []),SuperColumn(owneditem_521
> []),SuperColumn(owneditem_523 []),SuperColumn(owneditem_525
> []),SuperColumn(owneditem_562 []),SuperColumn(owneditem_61
> []),SuperColumn(owneditem_634 []),SuperColumn(owneditem_636
> []),SuperColumn(owneditem_71 []),SuperColumn(owneditem_712
> []),SuperColumn(owneditem_720 []),SuperColumn(owneditem_728
> []),SuperColumn(owneditem_787 []),SuperColumn(owneditem_797
> []),SuperColumn(owneditem_798 []),SuperColumn(owneditem_838
> []),SuperColumn(owneditem_842 []),SuperColumn(owneditem_847
> []),SuperColumn(owneditem_849 []),SuperColumn(owneditem_851
> []),SuperColumn(owneditem_852 []),SuperColumn(owneditem_853
> []),SuperColumn(owneditem_854 []),SuperColumn(owneditem_857
> []),SuperColumn(owneditem_858 []),SuperColumn(owneditem_874
> []),SuperColumn(owneditem_884 []),SuperColumn(owneditem_886
> []),SuperColumn(owneditem_908 []),SuperColumn(owneditem_91
> []),SuperColumn(owneditem_911 []),SuperColumn(owneditem_930
> []),SuperColumn(owneditem_934 []),SuperColumn(owneditem_937
> []),SuperColumn(owneditem_944 []),SuperColumn(owneditem_945
> []),SuperColumn(owneditem_962 []),SuperColumn(owneditem_963
> []),SuperColumn(owneditem_964 []),])])
> at org.apache.cassandra.utils.FBUtilities.serialize(FBUtilities.java:682)
> at org.apache.cassandra.db.RowMutation.getSerializedBuffer(RowMutation.java:279)
> at org.apache.cassandra.db.commitlog.CommitLogSegment.write(CommitLogSegment.java:122)
> at org.apache.cassandra.db.commitlog.CommitLog$LogRecordAdder.run(CommitLog.java:599)
> at org.apache.cassandra.db.commitlog.PeriodicCommitLogExecutorService$1.runMayThrow(PeriodicCommitLogExecutorService.java:49)
> at org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:30)
> at java.lang.Thread.run(Thread.java:662)
> {noformat}
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[jira] [Commented] (CASSANDRA-3957) Supercolumn serialization
assertion failure
Posted by "Jackson Chung (Commented) (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/CASSANDRA-3957?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13221254#comment-13221254 ]
Jackson Chung commented on CASSANDRA-3957:
------------------------------------------
below is another similar stacktrace where only standard column (no super, no composite) was used.
{panel}
ERROR 08:50:12,479 Fatal exception in thread Thread[COMMIT-LOG-WRITER,5,main]
java.lang.AssertionError: Final buffer length 2090383 to accomodate data size of 736236 (predicted 2090383) for RowMutation(keyspace='cfs', key='6337343566396330363438373131653130303030653562646562313236356262', modifications=[ColumnFamily(sblocks [6337343839316430363438373131653130303030653562646562313236356262:false:736121@1330707012466,])])
at org.apache.cassandra.utils.FBUtilities.serialize(FBUtilities.java:682)
at org.apache.cassandra.db.RowMutation.getSerializedBuffer(RowMutation.java:279)
at org.apache.cassandra.db.commitlog.CommitLogSegment.write(CommitLogSegment.java:122)
at org.apache.cassandra.db.commitlog.CommitLog$LogRecordAdder.run(CommitLog.java:599)
at org.apache.cassandra.db.commitlog.PeriodicCommitLogExecutorService$1.runMayThrow(PeriodicCommitLogExecutorService.java:49)
at org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:30)
at java.lang.Thread.run(Thread.java:680)
{panel}
> Supercolumn serialization assertion failure
> -------------------------------------------
>
> Key: CASSANDRA-3957
> URL: https://issues.apache.org/jira/browse/CASSANDRA-3957
> Project: Cassandra
> Issue Type: Bug
> Reporter: Jonathan Ellis
> Assignee: Yuki Morishita
> Labels: datastax_qa
> Fix For: 1.0.9
>
>
> As reported at http://mail-archives.apache.org/mod_mbox/cassandra-user/201202.mbox/%3CCADJL=w5kH5TEQXOwhTn5Jm3cmR4Rj=NfjcqLryXV7pLyASi95A@mail.gmail.com%3E,
> {noformat}
> ERROR 10:51:44,282 Fatal exception in thread
> Thread[COMMIT-LOG-WRITER,5,main]
> java.lang.AssertionError: Final buffer length 4690 to accomodate data size
> of 2347 (predicted 2344) for RowMutation(keyspace='Player',
> key='36336138643338652d366162302d343334392d383466302d356166643863353133356465',
> modifications=[ColumnFamily(PlayerCity [SuperColumn(owneditem_1019
> []),SuperColumn(owneditem_1024 []),SuperColumn(owneditem_1026
> []),SuperColumn(owneditem_1074 []),SuperColumn(owneditem_1077
> []),SuperColumn(owneditem_1084 []),SuperColumn(owneditem_1094
> []),SuperColumn(owneditem_1130 []),SuperColumn(owneditem_1136
> []),SuperColumn(owneditem_1141 []),SuperColumn(owneditem_1142
> []),SuperColumn(owneditem_1145 []),SuperColumn(owneditem_1218
> [636f6e6e6563746564:false:5@1329648704269002
> ,63757272656e744865616c7468:false:3@1329648704269006
> ,656e64436f6e737472756374696f6e54696d65:false:13@1329648704269007
> ,6964:false:4@1329648704269000,6974656d4964:false:15@1329648704269001
> ,6c61737444657374726f79656454696d65:false:1@1329648704269008
> ,6c61737454696d65436f6c6c6563746564:false:13@1329648704269005
> ,736b696e4964:false:7@1329648704269009,78:false:4@1329648704269003
> ,79:false:3@1329648704269004,]),SuperColumn(owneditem_133
> []),SuperColumn(owneditem_134 []),SuperColumn(owneditem_135
> []),SuperColumn(owneditem_141 []),SuperColumn(owneditem_147
> []),SuperColumn(owneditem_154 []),SuperColumn(owneditem_159
> []),SuperColumn(owneditem_171 []),SuperColumn(owneditem_253
> []),SuperColumn(owneditem_422 []),SuperColumn(owneditem_438
> []),SuperColumn(owneditem_515 []),SuperColumn(owneditem_521
> []),SuperColumn(owneditem_523 []),SuperColumn(owneditem_525
> []),SuperColumn(owneditem_562 []),SuperColumn(owneditem_61
> []),SuperColumn(owneditem_634 []),SuperColumn(owneditem_636
> []),SuperColumn(owneditem_71 []),SuperColumn(owneditem_712
> []),SuperColumn(owneditem_720 []),SuperColumn(owneditem_728
> []),SuperColumn(owneditem_787 []),SuperColumn(owneditem_797
> []),SuperColumn(owneditem_798 []),SuperColumn(owneditem_838
> []),SuperColumn(owneditem_842 []),SuperColumn(owneditem_847
> []),SuperColumn(owneditem_849 []),SuperColumn(owneditem_851
> []),SuperColumn(owneditem_852 []),SuperColumn(owneditem_853
> []),SuperColumn(owneditem_854 []),SuperColumn(owneditem_857
> []),SuperColumn(owneditem_858 []),SuperColumn(owneditem_874
> []),SuperColumn(owneditem_884 []),SuperColumn(owneditem_886
> []),SuperColumn(owneditem_908 []),SuperColumn(owneditem_91
> []),SuperColumn(owneditem_911 []),SuperColumn(owneditem_930
> []),SuperColumn(owneditem_934 []),SuperColumn(owneditem_937
> []),SuperColumn(owneditem_944 []),SuperColumn(owneditem_945
> []),SuperColumn(owneditem_962 []),SuperColumn(owneditem_963
> []),SuperColumn(owneditem_964 []),])])
> at org.apache.cassandra.utils.FBUtilities.serialize(FBUtilities.java:682)
> at org.apache.cassandra.db.RowMutation.getSerializedBuffer(RowMutation.java:279)
> at org.apache.cassandra.db.commitlog.CommitLogSegment.write(CommitLogSegment.java:122)
> at org.apache.cassandra.db.commitlog.CommitLog$LogRecordAdder.run(CommitLog.java:599)
> at org.apache.cassandra.db.commitlog.PeriodicCommitLogExecutorService$1.runMayThrow(PeriodicCommitLogExecutorService.java:49)
> at org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:30)
> at java.lang.Thread.run(Thread.java:662)
> {noformat}
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[jira] [Resolved] (CASSANDRA-3957) Supercolumn serialization
assertion failure
Posted by "Jonathan Ellis (Resolved) (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/CASSANDRA-3957?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jonathan Ellis resolved CASSANDRA-3957.
---------------------------------------
Resolution: Cannot Reproduce
Fix Version/s: (was: 1.0.9)
Assignee: (was: Yuki Morishita)
Jackson's stacktrace involving sblocks was caused by a bug in DSE's CFS code re-using a ByteBuffer it had handed off to Thrift.
Could be that the original report had a similar problem.
> Supercolumn serialization assertion failure
> -------------------------------------------
>
> Key: CASSANDRA-3957
> URL: https://issues.apache.org/jira/browse/CASSANDRA-3957
> Project: Cassandra
> Issue Type: Bug
> Reporter: Jonathan Ellis
> Labels: datastax_qa
>
> As reported at http://mail-archives.apache.org/mod_mbox/cassandra-user/201202.mbox/%3CCADJL=w5kH5TEQXOwhTn5Jm3cmR4Rj=NfjcqLryXV7pLyASi95A@mail.gmail.com%3E,
> {noformat}
> ERROR 10:51:44,282 Fatal exception in thread
> Thread[COMMIT-LOG-WRITER,5,main]
> java.lang.AssertionError: Final buffer length 4690 to accomodate data size
> of 2347 (predicted 2344) for RowMutation(keyspace='Player',
> key='36336138643338652d366162302d343334392d383466302d356166643863353133356465',
> modifications=[ColumnFamily(PlayerCity [SuperColumn(owneditem_1019
> []),SuperColumn(owneditem_1024 []),SuperColumn(owneditem_1026
> []),SuperColumn(owneditem_1074 []),SuperColumn(owneditem_1077
> []),SuperColumn(owneditem_1084 []),SuperColumn(owneditem_1094
> []),SuperColumn(owneditem_1130 []),SuperColumn(owneditem_1136
> []),SuperColumn(owneditem_1141 []),SuperColumn(owneditem_1142
> []),SuperColumn(owneditem_1145 []),SuperColumn(owneditem_1218
> [636f6e6e6563746564:false:5@1329648704269002
> ,63757272656e744865616c7468:false:3@1329648704269006
> ,656e64436f6e737472756374696f6e54696d65:false:13@1329648704269007
> ,6964:false:4@1329648704269000,6974656d4964:false:15@1329648704269001
> ,6c61737444657374726f79656454696d65:false:1@1329648704269008
> ,6c61737454696d65436f6c6c6563746564:false:13@1329648704269005
> ,736b696e4964:false:7@1329648704269009,78:false:4@1329648704269003
> ,79:false:3@1329648704269004,]),SuperColumn(owneditem_133
> []),SuperColumn(owneditem_134 []),SuperColumn(owneditem_135
> []),SuperColumn(owneditem_141 []),SuperColumn(owneditem_147
> []),SuperColumn(owneditem_154 []),SuperColumn(owneditem_159
> []),SuperColumn(owneditem_171 []),SuperColumn(owneditem_253
> []),SuperColumn(owneditem_422 []),SuperColumn(owneditem_438
> []),SuperColumn(owneditem_515 []),SuperColumn(owneditem_521
> []),SuperColumn(owneditem_523 []),SuperColumn(owneditem_525
> []),SuperColumn(owneditem_562 []),SuperColumn(owneditem_61
> []),SuperColumn(owneditem_634 []),SuperColumn(owneditem_636
> []),SuperColumn(owneditem_71 []),SuperColumn(owneditem_712
> []),SuperColumn(owneditem_720 []),SuperColumn(owneditem_728
> []),SuperColumn(owneditem_787 []),SuperColumn(owneditem_797
> []),SuperColumn(owneditem_798 []),SuperColumn(owneditem_838
> []),SuperColumn(owneditem_842 []),SuperColumn(owneditem_847
> []),SuperColumn(owneditem_849 []),SuperColumn(owneditem_851
> []),SuperColumn(owneditem_852 []),SuperColumn(owneditem_853
> []),SuperColumn(owneditem_854 []),SuperColumn(owneditem_857
> []),SuperColumn(owneditem_858 []),SuperColumn(owneditem_874
> []),SuperColumn(owneditem_884 []),SuperColumn(owneditem_886
> []),SuperColumn(owneditem_908 []),SuperColumn(owneditem_91
> []),SuperColumn(owneditem_911 []),SuperColumn(owneditem_930
> []),SuperColumn(owneditem_934 []),SuperColumn(owneditem_937
> []),SuperColumn(owneditem_944 []),SuperColumn(owneditem_945
> []),SuperColumn(owneditem_962 []),SuperColumn(owneditem_963
> []),SuperColumn(owneditem_964 []),])])
> at org.apache.cassandra.utils.FBUtilities.serialize(FBUtilities.java:682)
> at org.apache.cassandra.db.RowMutation.getSerializedBuffer(RowMutation.java:279)
> at org.apache.cassandra.db.commitlog.CommitLogSegment.write(CommitLogSegment.java:122)
> at org.apache.cassandra.db.commitlog.CommitLog$LogRecordAdder.run(CommitLog.java:599)
> at org.apache.cassandra.db.commitlog.PeriodicCommitLogExecutorService$1.runMayThrow(PeriodicCommitLogExecutorService.java:49)
> at org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:30)
> at java.lang.Thread.run(Thread.java:662)
> {noformat}
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[jira] [Commented] (CASSANDRA-3957) Supercolumn serialization
assertion failure
Posted by "Jonathan Ellis (Commented) (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/CASSANDRA-3957?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13215980#comment-13215980 ]
Jonathan Ellis commented on CASSANDRA-3957:
-------------------------------------------
I note that this is the Periodic commitlog executor, which does NOT block for CommitLog.add. So, if the CF is serialized (later) while another thread modifies it, we could hit this error.
We don't modify the mutation CF directly in CFS.apply, since we clone into the arena allocator.
The only place I see where we modify the mutation CF is in ignoreObsoleteMutations... but that only happens for indexed columns, so that can't be the cause here since it involves SuperColumns.
(Note that the mutation CF won't be changed by updateRowCache, since the mutation CF is never inserted into the cache; it's only used to add to an existing cache row, if one exists.)
Am I missing something?
Perhaps it would be best to start by creating a test to serialize the above RowMutation and see if it reproduces in the absence of concurrent activity, to rule out the possibility of serializedSize simply having a bug w/ SuperColumns.
> Supercolumn serialization assertion failure
> -------------------------------------------
>
> Key: CASSANDRA-3957
> URL: https://issues.apache.org/jira/browse/CASSANDRA-3957
> Project: Cassandra
> Issue Type: Bug
> Reporter: Jonathan Ellis
> Assignee: Yuki Morishita
> Fix For: 1.0.9
>
>
> As reported at http://mail-archives.apache.org/mod_mbox/cassandra-user/201202.mbox/%3CCADJL=w5kH5TEQXOwhTn5Jm3cmR4Rj=NfjcqLryXV7pLyASi95A@mail.gmail.com%3E,
> {noformat}
> ERROR 10:51:44,282 Fatal exception in thread
> Thread[COMMIT-LOG-WRITER,5,main]
> java.lang.AssertionError: Final buffer length 4690 to accomodate data size
> of 2347 (predicted 2344) for RowMutation(keyspace='Player',
> key='36336138643338652d366162302d343334392d383466302d356166643863353133356465',
> modifications=[ColumnFamily(PlayerCity [SuperColumn(owneditem_1019
> []),SuperColumn(owneditem_1024 []),SuperColumn(owneditem_1026
> []),SuperColumn(owneditem_1074 []),SuperColumn(owneditem_1077
> []),SuperColumn(owneditem_1084 []),SuperColumn(owneditem_1094
> []),SuperColumn(owneditem_1130 []),SuperColumn(owneditem_1136
> []),SuperColumn(owneditem_1141 []),SuperColumn(owneditem_1142
> []),SuperColumn(owneditem_1145 []),SuperColumn(owneditem_1218
> [636f6e6e6563746564:false:5@1329648704269002
> ,63757272656e744865616c7468:false:3@1329648704269006
> ,656e64436f6e737472756374696f6e54696d65:false:13@1329648704269007
> ,6964:false:4@1329648704269000,6974656d4964:false:15@1329648704269001
> ,6c61737444657374726f79656454696d65:false:1@1329648704269008
> ,6c61737454696d65436f6c6c6563746564:false:13@1329648704269005
> ,736b696e4964:false:7@1329648704269009,78:false:4@1329648704269003
> ,79:false:3@1329648704269004,]),SuperColumn(owneditem_133
> []),SuperColumn(owneditem_134 []),SuperColumn(owneditem_135
> []),SuperColumn(owneditem_141 []),SuperColumn(owneditem_147
> []),SuperColumn(owneditem_154 []),SuperColumn(owneditem_159
> []),SuperColumn(owneditem_171 []),SuperColumn(owneditem_253
> []),SuperColumn(owneditem_422 []),SuperColumn(owneditem_438
> []),SuperColumn(owneditem_515 []),SuperColumn(owneditem_521
> []),SuperColumn(owneditem_523 []),SuperColumn(owneditem_525
> []),SuperColumn(owneditem_562 []),SuperColumn(owneditem_61
> []),SuperColumn(owneditem_634 []),SuperColumn(owneditem_636
> []),SuperColumn(owneditem_71 []),SuperColumn(owneditem_712
> []),SuperColumn(owneditem_720 []),SuperColumn(owneditem_728
> []),SuperColumn(owneditem_787 []),SuperColumn(owneditem_797
> []),SuperColumn(owneditem_798 []),SuperColumn(owneditem_838
> []),SuperColumn(owneditem_842 []),SuperColumn(owneditem_847
> []),SuperColumn(owneditem_849 []),SuperColumn(owneditem_851
> []),SuperColumn(owneditem_852 []),SuperColumn(owneditem_853
> []),SuperColumn(owneditem_854 []),SuperColumn(owneditem_857
> []),SuperColumn(owneditem_858 []),SuperColumn(owneditem_874
> []),SuperColumn(owneditem_884 []),SuperColumn(owneditem_886
> []),SuperColumn(owneditem_908 []),SuperColumn(owneditem_91
> []),SuperColumn(owneditem_911 []),SuperColumn(owneditem_930
> []),SuperColumn(owneditem_934 []),SuperColumn(owneditem_937
> []),SuperColumn(owneditem_944 []),SuperColumn(owneditem_945
> []),SuperColumn(owneditem_962 []),SuperColumn(owneditem_963
> []),SuperColumn(owneditem_964 []),])])
> at org.apache.cassandra.utils.FBUtilities.serialize(FBUtilities.java:682)
> at org.apache.cassandra.db.RowMutation.getSerializedBuffer(RowMutation.java:279)
> at org.apache.cassandra.db.commitlog.CommitLogSegment.write(CommitLogSegment.java:122)
> at org.apache.cassandra.db.commitlog.CommitLog$LogRecordAdder.run(CommitLog.java:599)
> at org.apache.cassandra.db.commitlog.PeriodicCommitLogExecutorService$1.runMayThrow(PeriodicCommitLogExecutorService.java:49)
> at org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:30)
> at java.lang.Thread.run(Thread.java:662)
> {noformat}
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