Re: PostgreSQL database segsize - Mailing list pgsql-general

From Magnus Hagander
Subject Re: PostgreSQL database segsize
Date
Msg-id CABUevEwY1W0vnRvhTzKE=UwNg7MLBtuvAFVmhzA5VGcWRGR-tQ@mail.gmail.com
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In response to PostgreSQL database segsize  (Bill Glennon <wglennon@gmail.com>)
Responses Re: PostgreSQL database segsize  (Bill Glennon <wglennon@gmail.com>)
Re: PostgreSQL database segsize  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-general


On Tue, Jun 30, 2020 at 12:17 AM Bill Glennon <wglennon@gmail.com> wrote:
Hi,

If you are building a Postgresql database from source and you use option --with-segsize=4, how do you verify that the database segsize is 4GB and not the default 1GB? Is there a query that you can run?

Or even if you come into a place to support an existing PostgreSQL database, how do you find out what the database segsize is?


You can run the query "SHOW segment_size" to show the compiled-in value. 

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