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https://issues.apache.org/jira/browse/CASSANDRA-6435?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13837453#comment-13837453
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Sam Tunnicliffe commented on CASSANDRA-6435:
--------------------------------------------
This is a partial duplicate of CASSANDRA-6404 (partial because that only
addresses the jamm ERRORs, the echo of the "xss..." string is separate).
> 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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