Re: RES: [PERFORM] Priority to a mission critical transaction

2006-11-29 Thread Josh Berkus
Bruce, Someone should ask them to remove the article. Someone. Um, *who* taught for Big Nerd Ranch for several years, Bruce? -- Josh Berkus PostgreSQL @ Sun San Francisco ---(end of broadcast)--- TIP 1: if posting/reading through Usenet,

RES: [PERFORM] Priority to a mission critical transaction

2006-11-28 Thread Carlos H. Reimer
affect i/o queue too? Reimer -Mensagem original- De: Jim C. Nasby [mailto:[EMAIL PROTECTED] Enviada em: domingo, 26 de novembro de 2006 22:52 Para: Brad Nicholson Cc: [EMAIL PROTECTED]; pgsql-performance@postgresql.org Assunto: Re: [PERFORM] Priority to a mission critical transaction

Re: RES: [PERFORM] Priority to a mission critical transaction

2006-11-28 Thread Tom Lane
Carlos H. Reimer [EMAIL PROTECTED] writes: There is an article about Lowering the priority of a PostgreSQL query (http://weblog.bignerdranch.com/?p=11) that explains how to use the setpriority() to lower PostgreSQL processes. I?m wondering how much effective it would be for i/o bound systems.

Re: RES: [PERFORM] Priority to a mission critical transaction

2006-11-28 Thread Andreas Kostyrka
* Carlos H. Reimer [EMAIL PROTECTED] [061128 20:02]: Hi, There is an article about Lowering the priority of a PostgreSQL query (http://weblog.bignerdranch.com/?p=11) that explains how to use the setpriority() to lower PostgreSQL processes. I?m wondering how much effective it would be for

Re: RES: [PERFORM] Priority to a mission critical transaction

2006-11-28 Thread Josh Berkus
All, The Bizgres project is working on resource management for PostgreSQL. So far, however, they have been able to come up with schemes that work for BI/DW at the expense of OLTP. Becuase of O^N lock checking issues, resource management for OLTP which doesn't greatly reduce overall

Re: RES: [PERFORM] Priority to a mission critical transaction

2006-11-28 Thread Bruce Momjian
Someone should ask them to remove the article. --- Tom Lane wrote: Carlos H. Reimer [EMAIL PROTECTED] writes: There is an article about Lowering the priority of a PostgreSQL query (http://weblog.bignerdranch.com/?p=11)

Re: RES: [PERFORM] Priority to a mission critical transaction

2006-11-28 Thread Mark Kirkwood
Josh Berkus wrote: All, The Bizgres project is working on resource management for PostgreSQL. So far, however, they have been able to come up with schemes that work for BI/DW at the expense of OLTP. Becuase of O^N lock checking issues, resource management for OLTP which doesn't greatly

Re: [PERFORM] Priority to a mission critical transaction

2006-11-23 Thread Brad Nicholson
On Tue, 2006-11-21 at 21:43 -0200, Carlos H. Reimer wrote: Hi, We have an application that is mission critical, normally very fast, but when an I/O or CPU bound transaction appears, the mission critical application suffers. Is there a way go give some kind of priority to this kind of

[PERFORM] Priority to a mission critical transaction

2006-11-21 Thread Carlos H. Reimer
Hi, We have an application that is mission critical, normally very fast, but when an I/O or CPU bound transaction appears, the mission critical application suffers. Is there a way go give some kind of priority to this kind of application? Reimer