Re: Bottlenecks with large number of relation segment files

From: KONDO Mitsumasa <kondo(dot)mitsumasa(at)lab(dot)ntt(dot)co(dot)jp>
To: Amit Langote <amitlangote09(at)gmail(dot)com>
Cc: PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>, Postgres General <pgsql-general(at)postgresql(dot)org>
Subject: Re: Bottlenecks with large number of relation segment files
Date: 2013-08-05 09:40:10
Message-ID: 51FF72FA.4000604@lab.ntt.co.jp
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(2013/08/05 17:14), Amit Langote wrote:
> So, within the limits of max_files_per_process, the routines of file.c
> should not become a bottleneck?
It may not become bottleneck.
1 FD consumes 160 byte in 64bit system. See linux manual at "epoll".

Regards,
--
Mitsumasa KONDO
NTT Open Source Software Center

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