| From: | Martijn van Oosterhout <kleptog(at)svana(dot)org> |
|---|---|
| To: | Joachim Wieland <joe(at)mcknight(dot)de> |
| Cc: | pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Listen / Notify rewrite |
| Date: | 2009-11-11 23:06:18 |
| Message-ID: | 20091111230617.GF25802@svana.org |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
On Wed, Nov 11, 2009 at 10:25:05PM +0100, Joachim Wieland wrote:
> Hi,
>
> Attached is a patch for a new listen/notify implementation.
>
> In a few words, the patch reimplements listen/notify as an slru-based queue
> which works similar to the sinval structure. Essentially it is a ring buffer on
> disk with pages mapped into shared memory for read/write access.
While I can't really comment on the implementation, from your
description it looks like a big improvement.
Nice work!
Have a nice day,
--
Martijn van Oosterhout <kleptog(at)svana(dot)org> http://svana.org/kleptog/
> Please line up in a tree and maintain the heap invariant while
> boarding. Thank you for flying nlogn airlines.
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