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Re: Performance Improvement by reducing WAL for Update Operation - Mailing list pgsql-hackers

From Robert Haas
Subject Re: Performance Improvement by reducing WAL for Update Operation
Date
Msg-id CA+TgmoZSTdQdKU7DHcLjChvMBrh1_YFOUSE+fuxESEVnc4jEgg@mail.gmail.com
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In response to Re: Performance Improvement by reducing WAL for Update Operation  (Heikki Linnakangas <hlinnakangas@vmware.com>)
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On Wed, Feb 5, 2014 at 6:59 AM, Heikki Linnakangas
<hlinnakangas@vmware.com> wrote:
> Attached is a quick patch for that, if you want to test it.

But if we really just want to do prefix/suffix compression, this is a
crappy and expensive way to do it.  We needn't force everything
through the pglz tag format just because we elide a common prefix or
suffix.

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

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