Re: Protect syscache from bloating with negative cache entries

From: Kyotaro HORIGUCHI <horiguchi(dot)kyotaro(at)lab(dot)ntt(dot)co(dot)jp>
To: tgl(at)sss(dot)pgh(dot)pa(dot)us
Cc: tsunakawa(dot)takay(at)jp(dot)fujitsu(dot)com, alvherre(at)alvh(dot)no-ip(dot)org, andres(at)anarazel(dot)de, robertmhaas(at)gmail(dot)com, michael(dot)paquier(at)gmail(dot)com, david(at)pgmasters(dot)net, 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: 2018-03-12 08:36:22
Message-ID: 20180312.173622.245824671.horiguchi.kyotaro@lab.ntt.co.jp
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Oops.

At Mon, 12 Mar 2018 17:34:08 +0900 (Tokyo Standard Time), Kyotaro HORIGUCHI <horiguchi(dot)kyotaro(at)lab(dot)ntt(dot)co(dot)jp> wrote in <20180312(dot)173408(dot)162882093(dot)horiguchi(dot)kyotaro(at)lab(dot)ntt(dot)co(dot)jp>
> Something like the sttached test script causes relcache

This is that.

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