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From "Justin Ross (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (QPID-4403) C++ Broker Timer warnings are still too verbose and frequent
Date Fri, 02 Nov 2012 00:04:12 GMT

     [ https://issues.apache.org/jira/browse/QPID-4403?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Justin Ross reassigned QPID-4403:
---------------------------------

    Assignee: Chuck Rolke
    
> C++ Broker Timer warnings are still too verbose and frequent
> ------------------------------------------------------------
>
>                 Key: QPID-4403
>                 URL: https://issues.apache.org/jira/browse/QPID-4403
>             Project: Qpid
>          Issue Type: Improvement
>          Components: C++ Broker
>    Affects Versions: 0.18
>            Reporter: Chuck Rolke
>            Assignee: Chuck Rolke
>
> Continuing issue QPID-3476.
> 1) Further reducing the timer warning message log level.
> Between 0.12 and 0.13 timer warning messages were demoted from warning to informational
log levels. In 0.19 the external store produces overrun info messages every time leading to
log file bloat.
> The proposal here is to demote the information statements to debug statements for the
same reasons that they were demoted from warnings:
> "Demoting the warnings to debug statements would avoid undue alarm and prevent excess
noise in log files. Should there be a need to see the information it is a lot easier to enable
it (--log-enable debug+:Timer) than it is to turn it off at present."
> 2) Increasing the timer warning interval.
> Another consideration is to change the hard-coded five second warning interval to something
longer. I suggest that one minute would be a good choice. The timer warning code already accumulates
the number of warnings for the warning interval to prevent a flood of warnings. Increasing
the warning interval further reduces the flood.
> 3) Performance improvement.
> When Issue 3476 was patched from warning to info there was a corresponding QPID_LOG_TEST
in Timer.cpp that was not patched. This causes the late and overrun calculations to run even
though the results will never be logged.

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