| From: | Jeff Davis <pgsql(at)j-davis(dot)com> |
|---|---|
| To: | Heikki Linnakangas <hlinnakangas(at)vmware(dot)com> |
| Cc: | Robert Haas <robertmhaas(at)gmail(dot)com>, Pavan Deolasee <pavan(dot)deolasee(at)gmail(dot)com>, Simon Riggs <simon(at)2ndquadrant(dot)com>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Removing PD_ALL_VISIBLE |
| Date: | 2013-01-17 20:00:16 |
| Message-ID: | 1358452816.3372.6.camel@sussancws0025 |
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| Lists: | pgsql-hackers |
On Thu, 2013-01-17 at 17:14 +0200, Heikki Linnakangas wrote:
> I don't remember if I ever actually tested that
> though. Maybe I was worrying about nothing and hitting the VM page on
> every update is ok.
I tried, but was unable to show really anything at all, even without
keeping the VM page pinned. I think the bottleneck is elsewhere;
although I am keeping the page pinned in this patch to prevent it from
becoming a bottleneck.
Regards,
Jeff Davis
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