On Mon, Jan 18, 2010 at 6:20 PM, Adrian Buehlmann <adr...@cadifra.com> wrote:
> On 18.01.2010 22:43, Steve Borho wrote:
>> Since changeset dc0395b8dab6, overlay behavior on my development
>> machines has improved substantially.  I see a lot fewer instances of
>> the overlays being out of sync with the working directory state.  The
>> few times when things have been out of sync, an F5 has always brought
>> them together.
>
> That's interesting (see also [1] for reference).
>
> Or a bit frustrating, actually, because it means you must have hit
> the time limit that starts causing to ignore overlay requests if
> ::PathIsDirectory API calls are taking too long (we do a lot of these
> when searching for .hg dirs, that's why I've set a limit on them).
>
> (Maybe I should remove that limit altogether. Sigh.)

Perhaps, especially now that the web-dav strangeness has been resolved.

> Is it possible to know a bit more about your setup?
>
> What Windows version is that and on what hardware?
>
> What kind of disk? NTFS/FAT? Local or network?
>
> What use case exactly?

Before that change I saw out-of-sync overlays on all three of the
machines I use on a daily basis, ranging from an old XP PC to a
quad-core Vista x64 machine, which was the main reason I had ruled out
that particular check.  I didn't expect it to trigger on my newer
machines and the skew seemed to always be worst on the quad-core.  Not
sure I can explain it except perhaps Vista and Win7 adds extra
overhead to that particular function call.

I just assumed the badness was caused by my use of MQ and command line
scripts, but it works a lot better now.

> Can you post some debug out examples containing
>
>     hasHgDir: PathIsDirectory .... in X ticks
>
> lines?
>
> What X values do you see? (typicals, largers?)
>
> What values Y do see on
>
>    ****** .... call took too long (Y ticks)
>
> lines?

I'll see if I can capture some.

--
Steve Borho

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