There were several things wrong with this doc since the migration
in-tree in pike, which are handled here:
- Updated options to use the current names.
- Any mention of the periodic_task_interval option is removed
since this doc is really about the FilterScheduler, and the
periodic task interval is only used by the CachingScheduler to
cache and refresh hosts, something the FilterScheduler doesn't do.
The note about service_down_time is already covered in the help
text for the periodic_task_interval option.
- Removed a broken (and oddly placed) link to the block storage
docs; it's unclear why the compute scheduler docs need to randomly
link to the block storage docs for schedluing (maybe that was
super legacy from the nova-volume days).
- Fixed a broken link to the 'evacuate instances' docs.
This change does not get into details for the individual filters
or weighers, only the overview and filter scheduler description.
Change-Id: Ie5bb9781e1997ad12521b5df5245a78b587a4a20
Closes-Bug: #1749235
8be8d02aa7