| From: | Andres Freund <andres(at)anarazel(dot)de> |
|---|---|
| To: | Kyotaro Horiguchi <horikyota(dot)ntt(at)gmail(dot)com> |
| Cc: | tgl(at)sss(dot)pgh(dot)pa(dot)us, alvherre(at)2ndquadrant(dot)com, michael(at)paquier(dot)xyz, thomas(dot)munro(at)gmail(dot)com, tomas(dot)vondra(at)2ndquadrant(dot)com, a(dot)zakirov(at)postgrespro(dot)ru, ah(at)cybertec(dot)at, magnus(at)hagander(dot)net, robertmhaas(at)gmail(dot)com, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: shared-memory based stats collector |
| Date: | 2020-03-10 03:34:20 |
| Message-ID: | 20200310033420.g4ev7eng4aoh3rss@alap3.anarazel.de |
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| Lists: | 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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