[Bug 10114] Wine shouldn't rewrite the registry if it hasn't been changed

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=10114





--- Comment #18 from Artem S. Tashkinov <t.artem at mailcity.com>  2010-03-18 07:25:34 ---
> Given that the rewrite happens at shutdown (and asynchronously) it's not going
> to make the slightest difference for app startup times...

Orly?

Say we run a simple tiny application like ... notepad, after which wine server
almost instantly exits, then read my point below:

Since Wine stores registry as a text file, installing the complete, say, MS
Office 2003 plus Corel Draw X4/X5 may easily swell registry up to 50MB in size
and on a highly fragmented laptop drive, writing out such a file may easily
take ten seconds or even more.

That means a subsequent notepad run may be severely delayed until Wine server
finishes dumping the registry to a HDD.

I don't have a laptop, I don't have these applications installed and I have a
speed desktop drive (Seagate 7200.12) with almost zero fragmentation so my
results will be quite meaningless.

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