Re: Performance Improvement by reducing WAL for Update Operation

From: Robert Haas <robertmhaas(at)gmail(dot)com>
To: Heikki Linnakangas <hlinnakangas(at)vmware(dot)com>
Cc: Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>, Mike Blackwell <mike(dot)blackwell(at)rrd(dot)com>
Subject: Re: Performance Improvement by reducing WAL for Update Operation
Date: 2014-02-06 03:37:20
Message-ID: CA+TgmoZSTdQdKU7DHcLjChvMBrh1_YFOUSE+fuxESEVnc4jEgg@mail.gmail.com
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-hackers

On Wed, Feb 5, 2014 at 6:59 AM, Heikki Linnakangas
<hlinnakangas(at)vmware(dot)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

In response to

Browse pgsql-hackers by date

  From Date Subject
Next Message Amit Kapila 2014-02-06 03:43:50 Re: Performance Improvement by reducing WAL for Update Operation
Previous Message Robert Haas 2014-02-06 03:31:47 Re: PoC: Partial sort