+5846. [func] In dns_zonemgr, create per-thread task, zonetask, and
+ loadtask and pin the zones to individual threads,
+ instead of having "many", spreading the zones among
+ them and hoping for the best. This also removes any
+ need to dynamically reallocate the pools with memory
+ contexts and tasks. [GL #3226]
+
5845. [bug] Refactor the timer to keep track of posted events
as to use isc_task_purgeevent() instead of using
isc_task_purgerange(). The isc_task_purgeevent()