BIND 10 #2199: Add a configuration item to specify zones to collect statistics in Auth module

[BIND 10 Development]

#2199: Add a configuration item to specify zones to collect statistics in Auth
module
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                   Reporter:         |                 Owner:  y-aharen
  y-aharen                           |                Status:  new
                       Type:         |             Milestone:  New Tasks
  enhancement                        |            Resolution:
                   Priority:         |             Sensitive:  0
  medium                             |           Sub-Project:  DNS
                  Component:         |  Estimated Difficulty:  3
  b10-auth                           |           Total Hours:  0
                   Keywords:         |
            Defect Severity:  N/A    |
Feature Depending on Ticket:         |
        Add Hours to Ticket:  0      |
                  Internal?:  0      |
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Comment (by vorner):

 Sorry, but if I imagine being an admin, it seems extremely cumbersome to
 me. If I had 10k zones and wanted to know which of them are most active,
 would I really need to list them all there, one by one? And if I added a
 zone to the sqlite3, would I need to change the list too?

 I think a more sane approach would be to:
  * Keep statistics of anything that got at least one query (zones without
 queries are not listed)
  * Have a configuration to enable or disable zones somehow ‒ let's say a
 statistics ACL, with actions „Collect“, „Detailed“, „No statistics“ (and
 the default would be Collect).

 Admin that wanted just the usual amount would be happy without
 configuration, it could be very flexible, the admin would need to learn
 ACLs anyway and we already have them (we would need to instantiate them
 with the different actions and provide some "origin" match, but we will
 need that for DDNS ACLs anyway I think).

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Ticket URL: <http://bind10.isc.org/ticket/2199#comment:3>
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