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From "Mikhail Stepura (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-7222) cqlsh does not wait for tracing to complete before printing
Date Fri, 16 May 2014 11:16:58 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-7222?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13999587#comment-13999587
] 

Mikhail Stepura commented on CASSANDRA-7222:
--------------------------------------------

We can't fully rely on {{duration}}, see CASSANDRA-6317, but I'll take a look what can be
improved.

> cqlsh does not wait for tracing to complete before printing
> -----------------------------------------------------------
>
>                 Key: CASSANDRA-7222
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-7222
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Tools
>            Reporter: Tyler Hobbs
>            Assignee: Mikhail Stepura
>             Fix For: 2.0.9
>
>
> cqlsh currently sleeps 0.5 seconds before fetching trace info.  Instead, it should fetch
the {{system_traces.sessions}} row in a loop until the {{duration}} column is set (maybe with
a total timeout of 30s).  After the {{duration}} column is set, it's safe to fetch the rows
from {{system_traces.events}}.
> This is already fixed in 2.1 by the switch to the python driver, we just need to fix
2.0.



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