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Re: Bottlenecks with large number of relation segment files - Mailing list pgsql-general

From John R Pierce
Subject Re: Bottlenecks with large number of relation segment files
Date
Msg-id 51FF6565.9040804@hogranch.com
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In response to Re: Bottlenecks with large number of relation segment files  (KONDO Mitsumasa <kondo.mitsumasa@lab.ntt.co.jp>)
Responses Re: Bottlenecks with large number of relation segment files  (Florian Weimer <fweimer@redhat.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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