BIND 10 #2862: update b10-auth to recognize data source memory segments

[BIND 10 Development]

#2862: update b10-auth to recognize data source memory segments
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            Reporter:  jinmei        |                        Owner:
                Type:  task          |  vorner
            Priority:  medium        |                       Status:
           Component:  b10-auth      |  closed
            Keywords:                |                    Milestone:
           Sensitive:  0             |  Sprint-20130806
         Sub-Project:  DNS           |                   Resolution:
Estimated Difficulty:  5             |  complete
         Total Hours:  12.18         |                 CVSS Scoring:
                                     |              Defect Severity:  N/A
                                     |  Feature Depending on Ticket:
                                     |  shared memory data source
                                     |          Add Hours to Ticket:  0
                                     |                    Internal?:  0
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Changes (by vorner):

 * status:  reviewing => closed
 * totalhours:  0 => 12.18
 * resolution:   => complete


Comment:

 Hello

 Replying to [comment:11 muks]:
 > > To best of my knowledge, it stops answering the queries during the
 > > switch of segments. The `doSegmentUpdate` acquires the mutex. And the
 > > holder object (containing a locked mutex) is also held for the whole
 > > time of looking up an answer, in auth_srv.cc.
 >
 > If it stops answering queries gracefully, that's fine (i.e., it's not in
 > the middle of using `InMemoryClient` or something similar).

 It pauses for the (very short) time when the mapping happens. So it should
 be no problem.

 > You can go ahead and merge this.

 Thank you, merged.

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Ticket URL: <https://bind10.isc.org/ticket/2862#comment:12>
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