Postgres Pro
Downloads
Home   >   mailing lists

Re: Re: patch: fix performance problems with repated decomprimation of varlena values in plpgsql - Mailing list pgsql-hackers

From Robert Haas
Subject Re: Re: patch: fix performance problems with repated decomprimation of varlena values in plpgsql
Date
Msg-id AANLkTinrMvssbipxPe4uV-PT1NmAOme0kZhfyod3eySn@mail.gmail.com
Whole thread Raw
In response to Re: Re: patch: fix performance problems with repated decomprimation of varlena values in plpgsql  (Pavel Stehule <pavel.stehule@gmail.com>)
Responses Re: Re: patch: fix performance problems with repated decomprimation of varlena values in plpgsql  (Pavel Stehule <pavel.stehule@gmail.com>)
Re: Re: patch: fix performance problems with repated decomprimation of varlena values in plpgsql  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-hackers
Tree view 
On Tue, Jan 18, 2011 at 5:22 PM, Pavel Stehule <pavel.stehule@gmail.com> wrote:
> opinion isn't strong in this topic. One or twenty useless detoasting
> isn't really significant in almost use cases (problem is thousands
> detoasting).

Yeah.  Many-times-repeated detoasting is really bad, and this is not
the only place in the backend where we have this problem.  :-(

-- 
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

pgsql-hackers by date:

Previous
From: Robert Haas
Date:
Subject: Re: limiting hint bit I/O
Next
From: Tom Lane
Date:
Subject: Re: limiting hint bit I/O