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https://issues.apache.org/jira/browse/TS-4072?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15288585#comment-15288585
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ASF GitHub Bot commented on TS-4072:
------------------------------------

Github user chaiman commented on a diff in the pull request:

    https://github.com/apache/trafficserver/pull/568#discussion_r63660164
  
    --- Diff: lib/ts/Diags.cc ---
    @@ -642,11 +645,14 @@ Diags::should_roll_diagslog()
             if (diags_log->roll()) {
    --- End diff --
    
    same problem


> Diagnostic log rolling races
> ----------------------------
>
>                 Key: TS-4072
>                 URL: https://issues.apache.org/jira/browse/TS-4072
>             Project: Traffic Server
>          Issue Type: Bug
>          Components: Logging
>            Reporter: James Peach
>            Assignee: Alan M. Carroll
>             Fix For: 7.0.0
>
>
> When diagnostic logs are rolled, {{Diags::diags_log}} is deleted and replaced 
> with a new log object. Since the global {{diags}} points to a a single 
> {{Diags}} object there is nothing to prevent a different thread logging 
> through this object at the time it is deleted.



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