| From: | "tsunakawa(dot)takay(at)fujitsu(dot)com" <tsunakawa(dot)takay(at)fujitsu(dot)com> |
|---|---|
| To: | 'Kyotaro Horiguchi' <horikyota(dot)ntt(at)gmail(dot)com> |
| Cc: | "amit(dot)kapila16(at)gmail(dot)com" <amit(dot)kapila16(at)gmail(dot)com>, "andres(at)anarazel(dot)de" <andres(at)anarazel(dot)de>, "k(dot)jamison(at)fujitsu(dot)com" <k(dot)jamison(at)fujitsu(dot)com>, "tgl(at)sss(dot)pgh(dot)pa(dot)us" <tgl(at)sss(dot)pgh(dot)pa(dot)us>, "thomas(dot)munro(at)gmail(dot)com" <thomas(dot)munro(at)gmail(dot)com>, "robertmhaas(at)gmail(dot)com" <robertmhaas(at)gmail(dot)com>, "tomas(dot)vondra(at)2ndquadrant(dot)com" <tomas(dot)vondra(at)2ndquadrant(dot)com>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | RE: [Patch] Optimize dropping of relation buffers using dlist |
| Date: | 2020-12-22 03:03:23 |
| Message-ID: | TYAPR01MB2990E06020E4D9CA28B4E60CFEDF0@TYAPR01MB2990.jpnprd01.prod.outlook.com |
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| Lists: | pgsql-hackers |
From: Kyotaro Horiguchi <horikyota(dot)ntt(at)gmail(dot)com>
> Mmm. If that is true, doesn't the unoptimized path also need the
> rechecking?
Yes, the traditional processing does the recheck after acquiring the buffer header spinlock.
Regards
Takayuki Tsunakawa
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