BIND 10 #851: b10-auth (+ hotspot cache) can crash in handling query when DB is busy

[BIND 10 Development]

#851: b10-auth (+ hotspot cache) can crash in handling query when DB is busy
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                   Reporter:         |                 Owner:  jinmei
  jinmei                             |                Status:  reviewing
                       Type:         |             Milestone:
  defect                             |  Sprint-20110503
                   Priority:         |            Resolution:
  critical                           |             Sensitive:  0
                  Component:  data   |           Sub-Project:  DNS
  source                             |  Estimated Difficulty:  0.0
                   Keywords:         |           Total Hours:  0
            Defect Severity:  N/A    |
Feature Depending on Ticket:         |
        Add Hours to Ticket:  0      |
                  Internal?:  0      |
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Comment (by vorner):

 Hello

 Replying to [comment:10 jinmei]:
 > And the 'zoneinfo' variable stores the positive result.  From this
 > point, zoneinfo.getDataSource() or zoneinfo.getEnclosingZone() won't
 > require DB search, and both always return non NULL.

 OK, then I was too paranoid about the code and my worry doesn't apply.
 Therefore I think this can be merged.

 > accuracy.  This argument applies even without the hot spot cache, and
 > IMO is far beyond the scope of this bug fix ticket.  So, in any case,

 Yes, of course. I just noticed it while looking at the ticket, so I
 commented it, it doesn't mean it must be resolved now.

 > I have no problem with revisiting this discussion.  But please trigger
 > it in a different thread.

 OK. I think I'll bring it up once we go about merging the datasource APIs,
 in which time we will be going trough the processing logic anyway.

 Thanks

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Ticket URL: <http://bind10.isc.org/ticket/851#comment:11>
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