Craig Ringer <craig@2ndquadrant.com> writes:
> On 20 December 2016 at 21:59, Robert Haas <robertmhaas@gmail.com> wrote:
>> We could implement this by having
>> some process, like the background writer,
>> SendProcSignal(PROCSIG_HOUSEKEEPING) to every process in the system
>> every 10 minutes or so.
> ... on a rolling basis.
I don't understand why we'd make that a system-wide behavior at all,
rather than expecting each process to manage its own cache.
regards, tom lane