| From: | Cédric Villemain <cedric(dot)villemain(dot)debian(at)gmail(dot)com> |
|---|---|
| To: | Josh Berkus <josh(at)agliodbs(dot)com> |
| Cc: | pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: patch for new feature: Buffer Cache Hibernation |
| Date: | 2011-05-05 08:00:13 |
| Message-ID: | BANLkTinhhivv8nT4JVmfMU8SzohX610qgA@mail.gmail.com |
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| Lists: | pgsql-hackers |
2011/5/4 Josh Berkus <josh(at)agliodbs(dot)com>:
> All,
>
> I thought that Dimitri had already implemented this using Fincore. It's
> linux-only, but that should work well enough to test the general concept.
Harald provided me some pointers at pgday in Stuttgart to make it work
with windows but ... hum I have not windows and wasn't enought
motivated to make it work on it if no one need it.
I didn't search recently on the different kernels, but any kernel
supporting mincore and posix_fadvise should work. (so probably the
same set of kernel that support our 'effective_io_concurrency').
Still waiting for (free)BSD support .....
--
Cédric Villemain 2ndQuadrant
http://2ndQuadrant.fr/ PostgreSQL : Expertise, Formation et Support
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