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Re: Patch: Write Amplification Reduction Method (WARM)

From: Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>
To: Pavan Deolasee <pavan(dot)deolasee(at)gmail(dot)com>
Cc: Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>,Robert Haas <robertmhaas(at)gmail(dot)com>,Bruce Momjian <bruce(at)momjian(dot)us>,Jaime Casanova <jaime(dot)casanova(at)2ndquadrant(dot)com>,Haribabu Kommi <kommi(dot)haribabu(at)gmail(dot)com>,Tomas Vondra <tomas(dot)vondra(at)2ndquadrant(dot)com>,pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Patch: Write Amplification Reduction Method (WARM)
Date: 2017-03-28 22:12:03
Message-ID: 20170328221203.33c6gevtnqs4ezhy@alvherre.pgsql (view raw, whole thread or download thread mbox)
Lists: pgsql-hackers
I pushed 0002 after some makeup, since it's just cosmetic and not
controversial.  Here's 0003 rebased on top of it.

(Also, I took out the gin and gist changes: it would be wrong to change
that unconditionally, because the 0xFFFF pattern appears in indexes that
would be pg_upgraded.  We need a different strategy, if we want to
enable WARM on GiST/GIN indexes.)

Álvaro Herrera      
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

Attachment: 0001-Free-3-bits-of-ItemPointerData.ip_posid.patch
Description: text/plain (3.7 KB)

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