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Re: svn commit: r1627946 - /subversion/trunk/subversion/libsvn_fs_x/cached_data.c

From: Stefan Fuhrmann <stefan.fuhrmann_at_wandisco.com>
Date: Sun, 28 Sep 2014 20:30:36 +0200

On Sun, Sep 28, 2014 at 12:41 AM, Branko Čibej <brane_at_wandisco.com> wrote:

> On 27.09.2014 12:44, stefan2_at_apache.org wrote:
> > Author: stefan2
> > Date: Sat Sep 27 10:44:13 2014
> > New Revision: 1627946
>
> > + /* Clear it the ITERPOOL once in a while. Doing it too frequently
> > + * renders the FILE_HINT ineffective. Doing too infrequently, may
> > + * leave us with too many open file handles. */
>
>
> This makes me wonder: there's no substantial difference between clearing
> the pool (and closing file) every 16 iterations, or doing that on every
> iteration. So, what's magical about 16, do we actually know how many
> files we keep open, does the code try to gracefully handle running out
> of file handles, and if not, does the whole pack operation go south when
> we do run out?
>

No, there is nothing magical about that number; it's just my
value of "once in a while". r1628083 should make that clear now.

-- Stefan^2.
Received on 2014-09-28 20:31:03 CEST

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