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Brandon Williams commented on CASSANDRA-6891:
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I don't see anything in the code that would cause this, and tshark disagrees
with your assessment. It seems more likely that hostname resolution problems
are making JMX slow.
> nodetool status always does dns lookups, even if you didn't pass --resolve-ip
> -----------------------------------------------------------------------------
>
> Key: CASSANDRA-6891
> URL: https://issues.apache.org/jira/browse/CASSANDRA-6891
> Project: Cassandra
> Issue Type: Bug
> Reporter: Jeremiah Jordan
> Labels: lhf
>
> nodetool status always does dns lookups, even if you didn't pass --resolve-ip.
> So if your dns is slow or messed up, status takes forever to run. It should
> only do the dns lookup if the user passed -r/--resolve-ip
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