Horton

RE: [Patch] Optimize dropping of relation buffers using dlist

tsunakawa.takay@fujitsu.com <tsunakawa.takay@fujitsu.com>

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From: "tsunakawa.takay@fujitsu.com" <tsunakawa.takay@fujitsu.com>
To: 'Thomas Munro' <thomas.munro@gmail.com>, Amit Kapila <amit.kapila16@gmail.com>
Cc: "k.jamison@fujitsu.com" <k.jamison@fujitsu.com>, Kyotaro Horiguchi <horikyota.ntt@gmail.com>, "tanghy.fnst@fujitsu.com" <tanghy.fnst@fujitsu.com>, Andres Freund <andres@anarazel.de>, Tom Lane <tgl@sss.pgh.pa.us>, Robert Haas <robertmhaas@gmail.com>, Tomas Vondra <tomas.vondra@2ndquadrant.com>, pgsql-hackers <pgsql-hackers@postgresql.org>, "jankirk.jamison@gmail.com" <jankirk.jamison@gmail.com>
Date: 2021-03-12T04:30:41Z
Lists: pgsql-hackers 
From: Thomas Munro <thomas.munro@gmail.com>
> On Fri, Mar 12, 2021 at 5:20 PM Amit Kapila <amit.kapila16@gmail.com> wrote:
> > uint64
> 
> +1

+1
I'll send a patch later.


Regards
Takayuki Tsunakawa

Commits

  1. Fix size overflow in calculation introduced by commits d6ad34f3 and bea449c6.

  2. Optimize DropRelFileNodesAllBuffers() for recovery.

  3. Optimize DropRelFileNodeBuffers() for recovery.

  4. Cache smgrnblocks() results in recovery.

  5. Add a check to prevent overwriting valid data if smgrnblocks() gives a