| From: | Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com> |
|---|---|
| To: | Magnus Hagander <magnus(at)hagander(dot)net> |
| Cc: | Greg Stark <stark(at)mit(dot)edu>, Simon Riggs <simon(at)2ndquadrant(dot)com>, Fujii Masao <masao(dot)fujii(at)gmail(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Separating bgwriter and checkpointer |
| Date: | 2011-09-20 14:13:41 |
| Message-ID: | 4E789F95.8070300@enterprisedb.com |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
On 20.09.2011 16:49, Magnus Hagander wrote:
> Isn't there also the advantage of that work put in two different
> processes can use two different CPU cores? Or is that likely to never
> ever come in play here?
You would need one helluva I/O system to saturate even a single CPU,
just by doing write+fsync.
--
Heikki Linnakangas
EnterpriseDB http://www.enterprisedb.com
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