| From: | Simon Riggs <simon(at)2ndquadrant(dot)com> |
|---|---|
| To: | pgsql-patches(at)postgresql(dot)org |
| Subject: | Re: [HACKERS] Final Thoughts for 8.3 on LWLocking and Scalability |
| Date: | 2007-09-11 13:33:27 |
| Message-ID: | 1189517607.4281.474.camel@ebony.site |
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| Thread: | |
| Lists: | pgsql-hackers pgsql-patches |
On Tue, 2007-09-11 at 10:42 +0100, Simon Riggs wrote:
> 2. CountActiveBackends() searches the whole of the proc array, even
> though it could stop when it gets to commit_siblings. Stopping once the
> heuristic has been determined seems like the best thing to do. A small
> patch to implement this is attached.
backend/access/transam/xact.c | 2 !!
backend/storage/ipc/procarray.c | 11 !!!!!!!!!!!
include/storage/procarray.h | 2 !!
3 files changed, 15 modifications(!)
--
Simon Riggs
2ndQuadrant http://www.2ndQuadrant.com
| Attachment | Content-Type | Size |
|---|---|---|
| CountActiveBackends.v1.patch | text/x-patch | 3.6 KB |
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