[syslog-ng] [PULL REQ]: scratch-buffers
Balazs Scheidler
bazsi at balabit.hu
Wed Nov 9 21:25:43 CET 2011
On Mon, 2011-11-07 at 22:41 +0100, Gergely Nagy wrote:
> I've added the finishing touches to the scratch buffer patch, and I
> believe it's ready for a merge.
>
> Scratch buffers are a way to store reusable GStrings on a per-thread
> basis. They're allocated on demand, and once released, they're not
> free'd, but returned to the pool, so the next time the code requests a
> scratch buffer, it will reuse an existing one, instead of creating a new
> one.
>
> This reduces memory fragmentation, memory use, among other things. It's
> also very trivial.
>
> I have prepared a branch for both syslog-ng 3.3 and 3.4 too. The 3.3
> branch also updates the value-pairs implementation to use scratch
> buffers (and thus, become thread-safe). The 3.4 branch does this too,
> and it also updates the json parser similarly.
>
> The branches are available as feature/3.3/scratch-buffers[0] and
> feature/3.4/scratch-buffers[1] in my github repo[2].
>
> [0]: https://github.com/algernon/syslog-ng/commits/feature/3.3/scratch-buffers
> [1]: https://github.com/algernon/syslog-ng/commits/feature/3.4/scratch-buffers
> [2]: git://github.com/algernon/syslog-ng.git
>
> I'm not posting the patches here, as they'd be pretty much the same, and
> I've already posted a previous version (and the difference is about 3
> lines). Though, if it's easier to review if I post it again, let me
> know, it's a git send-email away.
>
Pulled, thanks Gergely.
--
Bazsi
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