| From: | Robert Haas <robertmhaas(at)gmail(dot)com> |
|---|---|
| To: | Pavan Deolasee <pavan(dot)deolasee(at)gmail(dot)com> |
| Cc: | Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, Alvaro Herrera <alvherre(at)2ndquadrant(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 13:57:57 |
| Message-ID: | CA+TgmoZLJp-_d9KSm9N42dz6uYcFKxsEJRfGDvxGR8ydU91X+g@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Thu, Mar 30, 2017 at 6:37 AM, Pavan Deolasee
<pavan(dot)deolasee(at)gmail(dot)com> wrote:
> I think we can fix that by comparing compressed values. I know you had
> raised concerns, but Robert confirmed that (IIUC) it's not a problem today.
I'm not sure that's an entirely fair interpretation of what I said.
My point was that, while it may not be broken today, it might not be a
good idea to rely for correctness on it always being true.
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
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