Re: Force re-compression with lz4

From: Michael Paquier <michael(at)paquier(dot)xyz>
To: Daniel Verite <daniel(at)manitou-mail(dot)org>
Cc: Florents Tselai <florents(dot)tselai(at)gmail(dot)com>, pgsql-general(at)lists(dot)postgresql(dot)org
Subject: Re: Force re-compression with lz4
Date: 2021-10-18 05:07:40
Message-ID: YW0BHBZzQqZBW/vm@paquier.xyz
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-general

On Sun, Oct 17, 2021 at 10:33:52PM +0200, Daniel Verite wrote:
> However lz4 appears to be much faster to compress than pglz, so its
> benefit is clear in terms of CPU usage for future insertions.

CPU-speaking, LZ4 is *much* faster than pglz when it comes to
compression or decompression with its default options. The
compression ratio is comparable between both, still LZ4 compresses in
average less than PGLZ.
--
Michael

In response to

Responses

Browse pgsql-general by date

  From Date Subject
Next Message Michael Paquier 2021-10-18 05:18:10 Re: Force re-compression with lz4
Previous Message Daniel Verite 2021-10-17 20:33:52 Re: Force re-compression with lz4