Re: Dept of ugly hacks: eliminating padding space in system indexes

From: Simon Riggs <simon(at)2ndquadrant(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: pgsql-hackers(at)postgreSQL(dot)org
Subject: Re: Dept of ugly hacks: eliminating padding space in system indexes
Date: 2008-06-23 22:20:09
Message-ID: 1214259609.9468.791.camel@ebony.site
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On Mon, 2008-06-23 at 15:52 -0400, Tom Lane wrote:
> CVS HEAD w/patch savings
>
> pg_database_size('postgres') 4439752 4071112 8.3%
> pg_relation_size('pg_class_relname_nsp_index') 57344 40960 28%
> pg_relation_size('pg_proc_proname_args_nsp_index') 319488 204800 35%
>
> Cutting a third off the size of a system index has got to be worth
> something, but is it worth a hack as ugly as this one?

Not doing it would be more ugly, unless there is some negative
side-effect?

--
Simon Riggs www.2ndQuadrant.com
PostgreSQL Training, Services and Support

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