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From "Karl Mueller (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-6435) nodetool outputs xss and jamm errors in 1.2.12
Date Tue, 03 Dec 2013 03:21:38 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-6435?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13837280#comment-13837280
] 

Karl Mueller commented on CASSANDRA-6435:
-----------------------------------------

If this helps:

[root@dev-cass00 ~]# java -version
java version "1.7.0_40"
Java(TM) SE Runtime Environment (build 1.7.0_40-b43)
Java HotSpot(TM) 64-Bit Server VM (build 24.0-b56, mixed mode)


> nodetool outputs xss and jamm errors in 1.2.12
> ----------------------------------------------
>
>                 Key: CASSANDRA-6435
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-6435
>             Project: Cassandra
>          Issue Type: Bug
>            Reporter: Karl Mueller
>            Assignee: Brandon Williams
>            Priority: Minor
>
> Since 1.2.12, just running nodetool is producing this output. Probably this is related
to CASSANDRA-6273.
> it's unclear to me whether jamm is actually not being loaded, but clearly nodetool should
not be having this output, which is likely from cassandra-env.sh
> [cassandra@dev-cass00 cassandra]$ /data2/cassandra/bin/nodetool ring
> xss =  -ea -javaagent:/data2/cassandra/bin/../lib/jamm-0.2.5.jar -XX:+UseThreadPriorities
-XX:ThreadPriorityPolicy=42 -Xms14G -Xmx14G -Xmn1G -XX:+HeapDumpOnOutOfMemoryError -Xss256k
> Note: Ownership information does not include topology; for complete information, specify
a keyspace
> Datacenter: datacenter1
> ==========
> Address      Rack        Status State   Load            Owns                Token
>                                                                             170141183460469231731687303715884105727
> 10.93.15.10  rack1       Up     Normal  123.82 GB       20.00%              34028236692093846346337460743176821145
> 10.93.15.11  rack1       Up     Normal  124 GB          20.00%              68056473384187692692674921486353642290
> 10.93.15.12  rack1       Up     Normal  123.97 GB       20.00%              102084710076281539039012382229530463436
> 10.93.15.13  rack1       Up     Normal  124.03 GB       20.00%              136112946768375385385349842972707284581
> 10.93.15.14  rack1       Up     Normal  123.93 GB       20.00%              170141183460469231731687303715884105727
> ERROR 16:20:01,408 Unable to initialize MemoryMeter (jamm not specified as javaagent).
 This means Cassandra will be unable to measure object sizes accurately and may consequently
OOM.



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