From: Peter Eisentraut <peter.eisentraut@2ndquadrant.com>
To: Alexandre hadjinlian guerra <alexhguerra@gmail.com>
To: pgsql-admin@lists.postgresql.org
Subject: Re: are there any expectations about pg indexes having prefix compression?
Date: Wed, 10 Jul 2019 12:42:55 +0200
Message-ID: <701f1e55-db3d-162d-392f-9d1b73cba9ec@2ndquadrant.com> (raw)
In-Reply-To: <CAOEJH=CiT-hGb-fVs-S6umtjd=PutjqBGGxx_fp1Etg7oPU_gQ@mail.gmail.com>
References: <CAOEJH=CiT-hGb-fVs-S6umtjd=PutjqBGGxx_fp1Etg7oPU_gQ@mail.gmail.com>
On 2019-07-06 07:35, Alexandre hadjinlian guerra wrote:
> i cant find any info about PG using btree prefix compression or
> dictionary based compression. May i ask the status for these features?
spgist indexes give you a kind of prefix de-duplication, so maybe this
would help in some use cases.
--
Peter Eisentraut http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Reply to all the recipients using the --to and --cc options:
reply via email
To: pgsql-admin@postgresql.org
Cc: peter.eisentraut@2ndquadrant.com, alexhguerra@gmail.com, pgsql-admin@lists.postgresql.org
Subject: Re: are there any expectations about pg indexes having prefix compression?
In-Reply-To: <701f1e55-db3d-162d-392f-9d1b73cba9ec@2ndquadrant.com>
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
This inbox is served by DDX for PostgreSQL; see mirroring instructions
for how to clone and mirror all data and code used for this inbox