Horton

Re: Improve compression speeds in pg_lzcompress.c

Robert Haas <robertmhaas@gmail.com>

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From: Robert Haas <robertmhaas@gmail.com>
To: Takeshi Yamamuro <yamamuro.takeshi@lab.ntt.co.jp>
Cc: Andrew Dunstan <andrew@dunslane.net>, Tom Lane <tgl@sss.pgh.pa.us>, pgsql-hackers@postgresql.org
Date: 2013-01-08T13:20:42Z
Lists: pgsql-hackers 
On Tue, Jan 8, 2013 at 4:04 AM, Takeshi Yamamuro
<yamamuro.takeshi@lab.ntt.co.jp> wrote:
> Apart from my patch, what I care is that the current one might
> be much slow against I/O. For example, when compressing
> and writing large values, compressing data (20-40MiB/s) might be
> a dragger against writing data in disks (50-80MiB/s). Moreover,
> IMHO modern (and very fast) I/O subsystems such as SSD make a
> bigger issue in this case.

What about just turning compression off?

-- 
Robert Haas
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