From: | markir(at)coretech(dot)co(dot)nz |
---|---|
To: | Stephane Tessier <stephane(dot)tessier(at)abovesecurity(dot)com> |
Cc: | pgsql-performance(at)postgresql(dot)org |
Subject: | Re: my boss want to migrate to ORACLE |
Date: | 2004-07-30 02:59:53 |
Message-ID: | 1091156393.39517b44365bc@mail.coretech.co.nz |
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Thread: | |
Lists: | pgsql-performance |
A furthur thought or two:
- you are *sure* that it is Postgres that is slow? (could be Php...or your
machine could be out of some resource - see next 2 points)
- is your machine running out of cpu or memory?
- is your machine seeing huge io transfers or long io waits?
- are you running Php on this machine as well as Postgres?
- what os (and what release) are you running? (guessing Linux but...)
As an aside, they always say this but: Postgres 7.4 generally performs better
than 7.3...so an upgrade could be worth it - *after* you have solved/identified
the other issues.
best wishes
Mark
Quoting Stephane Tessier <stephane(dot)tessier(at)abovesecurity(dot)com>:
> Hi everyone,
>
> somebody can help me??????? my boss want to migrate to
> ORACLE................
>
> we have a BIG problem of performance,it's slow....
> we use postgres 7.3 for php security application with approximately 4
> millions of insertion by day and 4 millions of delete and update
> and archive db with 40 millions of archived stuff...
>
> we have 10 databases for our clients and a centralized database for the
> general stuff.
>
> database specs:
>
> double XEON 2.4 on DELL PowerEdge2650
> 2 gigs of RAM
> 5 SCSI Drive RAID 5 15rpm
>
> tasks:
>
> 4 millions of transactions by day
> 160 open connection 24 hours by day 7 days by week
> pg_autovacuum running 24/7
> reindex on midnight
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