BIND 10 #2877: slow updates to SQLite3 data source

[BIND 10 Development]

#2877: slow updates to SQLite3 data source
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            Reporter:  jinmei        |                        Owner:
                Type:  defect        |  UnAssigned
            Priority:  very high     |                       Status:
           Component:  data source   |  reviewing
            Keywords:                |                    Milestone:
           Sensitive:  0             |  Sprint-20130423
         Sub-Project:  DNS           |                   Resolution:
Estimated Difficulty:  3             |                 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:

 It should be ready for review. I applied the patches from the mailing list
 and added some documentation and descriptions for the log messages.

 We might want to have a changelog message (I'm listing jinmei as the
 author, since he wrote the real patches and found the cause):
 {{{
 [bug]   jinmei
 IXFR and DDNS Updates to the sqlite3 database are no longer so slow on
 large
 zones as they were before.
 }}}

 I believe DDNS would have been hit by this too, so it is listed there.

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Ticket URL: <http://bind10.isc.org/ticket/2877#comment:6>
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