Re: Patch: Write Amplification Reduction Method (WARM)

From: Pavan Deolasee <pavan(dot)deolasee(at)gmail(dot)com>
To: Dilip Kumar <dilipbalaut(at)gmail(dot)com>
Cc: Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, 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: 2017-03-30 11:13:41
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On Thu, Mar 30, 2017 at 3:29 PM, Dilip Kumar <dilipbalaut(at)gmail(dot)com> wrote:

> On Wed, Mar 29, 2017 at 11:51 AM, Pavan Deolasee
> <pavan(dot)deolasee(at)gmail(dot)com> wrote:
> > Thanks. I think your patch of tracking interesting attributes seems ok
> too
> > after the performance issue was addressed. Even though we can still
> improve
> > that further, at least Mithun confirmed that there is no significant
> > regression anymore and in fact for one artificial case, patch does better
> > than even master.
> I was trying to compile these patches on latest
> head(f90d23d0c51895e0d7db7910538e85d3d38691f0) for some testing but I
> was not able to compile it.
> make[3]: *** [postgres.bki] Error 1

Looks like OID conflict to me.. Please try rebased set.


Pavan Deolasee
PostgreSQL Development, 24x7 Support, Training & Services

Attachment Content-Type Size
0001-Track-root-line-pointer-v23_v23.patch application/octet-stream 39.4 KB
0002-Free-3-bits-in-ip_posid-field-of-the-ItemPointer_v23.patch application/octet-stream 4.2 KB
0003-Main-WARM-patch_v23.patch application/octet-stream 283.4 KB
0004-Provide-control-knobs-to-decide-when-to-do-heap-_v23.patch application/octet-stream 69.8 KB

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