| From: | Michael Paquier <michael(dot)paquier(at)gmail(dot)com> |
|---|---|
| To: | Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com> |
| Cc: | Fujii Masao <masao(dot)fujii(at)gmail(dot)com>, Kyotaro HORIGUCHI <horiguchi(dot)kyotaro(at)lab(dot)ntt(dot)co(dot)jp>, Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Petr Jelinek <petr(at)2ndquadrant(dot)com>, Vik Fearing <vik(at)2ndquadrant(dot)fr>, Simon Riggs <simon(at)2ndquadrant(dot)com>, Josh Berkus <josh(at)agliodbs(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Quorum commit for multiple synchronous replication. |
| Date: | 2016-12-20 05:46:36 |
| Message-ID: | CAB7nPqQUBAaHMs+cuDSsET8nxXEZ5E9VN7gDO3j0Dm8ms032SQ@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Tue, Dec 20, 2016 at 2:31 PM, Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com> wrote:
> Do we need to consider the sorting method and the selecting k-th
> latest LSN method?
Honestly, nah. Tests are showing that there are many more bottlenecks
before that with just memory allocation and parsing.
--
Michael
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