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Re: [TSVN] Very long time to crawl WC.

From: Peter McNab <mcnab_p_at_melbpc.org.au>
Date: 2005-12-01 14:54:27 CET

Stefan Küng wrote:

> Peter McNab wrote:
>> One for you, well maybe two.
>> There is still a small leak as a WC is successively loaded and unloaded.
>> However the rampant grabbing of memory as files were deleted has
>> gone, so that's very good news too.
> What do you mean by "loaded and unloaded"? How do you unload a WC?
Sorry Stefan, Checked out and later deleted.

>> Second, and I cannot reproduce this behavior but on one occasion
>> (that I noticed) the crawling duplicated itself.
>> See attached.
> Looks bad! I'll try to reproduce this, but so far I wasn't successful.
>> Apart from that the cache is looking much more responsive and safe to
>> use without "specialist" knowledge.
> I noticed that the cache now correctly refreshes the explorer on
> commits, but the drawback is that it refreshes way too often now. You
> can maybe see it if you create a new file and try to rename it - you
> might loose the focus while editing the name. Also, sometimes the
> overlays are drawn wrong (the '.svn' folder gets the overlay!!) which
> is a bug in explorer triggered by too many change notifications.
> So I think I have to remove those notifications again - so after a
> commit you'd have to hit F5 to get the correct overlays :(
> Stefan
I have another idea for you. (moan heard from a distance, or was that a
It would really be nice if F5 could be left as a tool of last resort.
So, how about some smarts in the cache.
It's just that F5 does not have the same functionality when a file open
or close dialog is activated in an application.

Peter's try 2
To avoid the refresh delay you mentioned earlier and to avoid multiple
refreshes then another approach might suffice.
Notification requiring a refresh part of the cache arrives.
If the notification is for the same folder as the previous refresh -and-
within a suitably short space of time then :-
chances are that this folder is being or is about to be hit with a
string of changes :-
so start or restart a timer and delay further refreshes until the timer
expires. (300ms?)
else refresh immediately.
Record the last refreshed folder (which may contain further folders) and
the current time for later use.


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Received on Thu Dec 1 14:55:03 2005

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