Re: Protect syscache from bloating with negative cache entries

From: Andres Freund <andres(at)anarazel(dot)de>
To: Kyotaro HORIGUCHI <horiguchi(dot)kyotaro(at)lab(dot)ntt(dot)co(dot)jp>
Cc: david(at)pgmasters(dot)net, tgl(at)sss(dot)pgh(dot)pa(dot)us, tsunakawa(dot)takay(at)jp(dot)fujitsu(dot)com, alvherre(at)alvh(dot)no-ip(dot)org, robertmhaas(at)gmail(dot)com, michael(dot)paquier(at)gmail(dot)com, Jim(dot)Nasby(at)bluetreble(dot)com, craig(at)2ndquadrant(dot)com, pgsql-hackers(at)postgresql(dot)org
Subject: Re: Protect syscache from bloating with negative cache entries
Date: 2018-03-30 01:51:45
Message-ID: 20180330015145.pvsr6kjtf6tw4uwe@alap3.anarazel.de
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-hackers

Hi,

On 2018-03-30 10:35:48 +0900, Kyotaro HORIGUCHI wrote:
> 0002-0004 is new, in response to the comment that caches other
> than the catcache ought to get the same feature. These can be a
> separate development from 0001 for v12. I don't find a measures
> to catch the all case at once.
>
> If we agree on the point. I wish to discuss only 0001 for v11.

I'd personally not want to commit a solution for catcaches without also
commiting a solution for a least relcaches in the same release cycle. I
think this patch simply has missed the window for v11.

Greetings,

Andres Freund

In response to

Responses

Browse pgsql-hackers by date

  From Date Subject
Next Message Andres Freund 2018-03-30 02:05:27 Re: [HACKERS] Re: Improve OR conditions on joined columns (common star schema problem)
Previous Message Kyotaro HORIGUCHI 2018-03-30 01:35:48 Re: Protect syscache from bloating with negative cache entries