| From: | Alvaro Herrera <alvherre(at)2ndquadrant(dot)com> |
|---|---|
| To: | Robert Haas <robertmhaas(at)gmail(dot)com> |
| Cc: | Pavan Deolasee <pavan(dot)deolasee(at)gmail(dot)com>, 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: | 2017-01-26 19:53:08 |
| Message-ID: | 20170126195308.wdea3huq5vhg4rs3@alvherre.pgsql |
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| Lists: | pgsql-hackers |
Robert Haas wrote:
> On Wed, Jan 25, 2017 at 4:08 PM, Alvaro Herrera
> <alvherre(at)2ndquadrant(dot)com> wrote:
> > I think the way WARM works has been pretty well hammered by now, other
> > than the CREATE INDEX CONCURRENTLY issues, so I'm looking at the code
> > from a maintainability point of view only.
>
> Which senior hackers have previously reviewed it in detail?
The previous thread,
https://postgr.es/m/CABOikdMop5Rb_RnS2xFdAXMZGSqcJ-P-BY2ruMd+buUkJ4iDPw@mail.gmail.com
contains some discussion of it, which uncovered bugs in the initial idea
and gave rise to the current design.
> Where would I go to get a good overview of the overall theory of operation?
The added README file does a pretty good job, I thought.
--
Álvaro Herrera https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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