| From: | Alvaro Herrera <alvherre(at)2ndquadrant(dot)com> |
|---|---|
| To: | Bruce Momjian <bruce(at)momjian(dot)us> |
| Cc: | Pavan Deolasee <pavan(dot)deolasee(at)gmail(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Amit Kapila <amit(dot)kapila16(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: | 2017-03-21 19:43:58 |
| Message-ID: | 20170321194358.e6ikl3wfw3k2lu6f@alvherre.pgsql |
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| Lists: | pgsql-hackers |
Bruce Momjian wrote:
> I don't think it makes sense to try and save bits and add complexity
> when we have no idea if we will ever use them,
If we find ourselves in dire need of additional bits, there is a known
mechanism to get back 2 bits from old-style VACUUM FULL. I assume that
the reason nobody has bothered to write the code for that is that
there's no *that* much interest.
--
Álvaro Herrera https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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