BIND 10 #3000: reproduce mixed log issues

[BIND 10 Development]

#3000: reproduce mixed log issues
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            Reporter:  jinmei        |                        Owner:
                Type:  defect        |  UnAssigned
            Priority:  medium        |                       Status:
           Component:  logging       |  reviewing
            Keywords:                |                    Milestone:
           Sensitive:  0             |  Sprint-20130806
         Sub-Project:  Core          |                   Resolution:
Estimated Difficulty:  5             |                 CVSS Scoring:
         Total Hours:  0             |              Defect Severity:  N/A
                                     |  Feature Depending on Ticket:
                                     |          Add Hours to Ticket:  0
                                     |                    Internal?:  0
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Changes (by vorner):

 * owner:  vorner => UnAssigned
 * status:  accepted => reviewing


Comment:

 Hello

 I added a src/bin/mixes script. It's python that forks 8 processes and
 each runs in 8 threads, all of them just logging.

 There's a configuration at the top for the logging. What I noticed is, if
 flush is true, no mixing happens to me, if it's false, it produces mixed
 messages. Do you know what the logging configuration is on the mentioned
 machine? To see if it happens with this program too?

 There's a shellscript, check-file-log, that greps and finds messages that
 don't look correctly.

 Sometimes, it produced only few mixed messages. They were all at the top
 of the file. I don't know if it might be related to the configuration of
 the logger (like that the disturbance happens only when it is newly
 configured) or something.

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Ticket URL: <http://bind10.isc.org/ticket/3000#comment:4>
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