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From "Paulo Motta (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-7645) cqlsh: show partial trace if incomplete after max_trace_wait
Date Fri, 06 Nov 2015 16:13:27 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-7645?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14993873#comment-14993873
] 

Paulo Motta commented on CASSANDRA-7645:
----------------------------------------

ops, my bad, I thought it was a generator for some reason. thanks for clarifying [~aholmber]!

It should be good to go then. Thanks all!

committer: please note that this change will only be applied to 2.2+ due to driver availability,
but we need a revert of the previous solution on 2.1 (present on [this branch|https://github.com/carlyeks/cassandra/tree/ticket/7645-2/2.1]).

> cqlsh: show partial trace if incomplete after max_trace_wait
> ------------------------------------------------------------
>
>                 Key: CASSANDRA-7645
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-7645
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Tools
>            Reporter: Tyler Hobbs
>            Assignee: Carl Yeksigian
>            Priority: Trivial
>             Fix For: 2.2.4, 2.1.12, 3.0.0
>
>
> If a trace hasn't completed within {{max_trace_wait}}, cqlsh will say the trace is unavailable
and not show anything.  It (and the underlying python driver) determines when the trace is
complete by checking if the {{duration}} column in {{system_traces.sessions}} is non-null.
 If {{duration}} is null but we still have some trace events when the timeout is hit, cqlsh
should print whatever trace events we have along with a warning about it being incomplete.



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