Skip site navigation (1) Skip section navigation (2)

Re: URGENT HELP about 'duration' stats

From: Filip Rembiałkowski <plk(dot)zuber(at)gmail(dot)com>
To: "Camilo Porto" <camiloporto(at)hotmail(dot)com>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: URGENT HELP about 'duration' stats
Date: 2007-10-27 17:12:28
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-hackers
2007/10/27, Camilo Porto <camiloporto(at)hotmail(dot)com>:

> The parallelism happens even if my PC has only one processor?

PostgreSQL creates a separate process for each client connection -
whether you have one CPU or more.

> Each query is executed in a separeted Thread?
No threads, at least on Unix. Regular processes (sometimes called backends).

> I am simulating only 1 client with the Benchmark. Can 1 Client submit
> parallel queries, in single-processor enviroment?
If this client uses two connections, you can run two queries in paralell.

this chapter of documentation can be helpful:

In response to


pgsql-hackers by date

Next:From: Michael MeskesDate: 2007-10-27 17:28:24
Subject: Re: Datum should be defined outside postgres.h
Previous:From: Florian G. PflugDate: 2007-10-27 16:40:09
Subject: Re: PostgreSQL 8.3, libpq and WHERE CURRENT OF

Privacy Policy | About PostgreSQL
Copyright © 1996-2017 The PostgreSQL Global Development Group