Re: Bottlenecks with large number of relation segment files

From: John R Pierce <pierce(at)hogranch(dot)com>
To: pgsql-general(at)postgresql(dot)org
Subject: Re: Bottlenecks with large number of relation segment files
Date: 2013-08-05 08:42:13
Message-ID: 51FF6565.9040804@hogranch.com
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On 8/5/2013 1:01 AM, KONDO Mitsumasa wrote:
> When we open file, ext3 or ext4 file system seems to sequential search
> inode for opening file in file directory.

no, ext3/4 uses H-tree structures to search directories over 1 block
long quite efficiently.

--
john r pierce 37N 122W
somewhere on the middle of the left coast

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