Re: shared-memory based stats collector - Mailing list pgsql-hackers

From Andres Freund
Subject Re: shared-memory based stats collector
Date
Msg-id 20200310033420.g4ev7eng4aoh3rss@alap3.anarazel.de
Whole thread Raw
In response to Re: shared-memory based stats collector  (Kyotaro Horiguchi <horikyota.ntt@gmail.com>)
Responses Re: shared-memory based stats collector  (Kyotaro Horiguchi <horikyota.ntt@gmail.com>)
List pgsql-hackers
On 2020-03-10 12:27:25 +0900, Kyotaro Horiguchi wrote:
> That's true, but I have the same concern with Tom. The archive bacame
> too-tightly linked with other processes than actual relation.

What's the problem here? We have a number of helper processes
(checkpointer, bgwriter) that are attached to shared memory, and it's
not a problem.


> We may need the second static shared memory segment apart from the
> current one.

That seems absurd to me. Solving a non-problem by introducing complex
new infrastructure.



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