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From "Patrick McFadin (JIRA)" <>
Subject [jira] [Created] (CASSANDRA-4680) Show time drift between nodes when using nodetool ring
Date Tue, 18 Sep 2012 19:14:08 GMT
Patrick McFadin created CASSANDRA-4680:

             Summary: Show time drift between nodes when using nodetool ring
                 Key: CASSANDRA-4680
             Project: Cassandra
          Issue Type: Improvement
            Reporter: Patrick McFadin
            Priority: Minor

>From the docs:
Server clock synchronization is more important in 1.2; replicas
will use a coordinator-provided timestamp to determine when a
request has timed out and is thus not worth proceeding with.
Using a service like NTP is strongly recommended.

Since this is now more important than ever, my proposed enhancement would be to the nodetool
command. When displaying the "ring" information, add the time drift as relative to the current

This would be a valuable tool to aid in diagnostics.

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