[DOCS] Shadowdb and Table locking issues

[Max Kanat-Alexander]

On Sat, 2 Feb 2008 06:49:42 -0500 "Sam Folk-Williams"
<sam at predisposition.com> wrote:
> I am updating the docs on the configuration parameters
> (http://www.bugzilla.org/docs/tip/html/parameters.html), and I have a
> question on the shadowdb bits. [snip]

	We now use transactions instead of locks, in HEAD. Bugzilla does
not use whole-table locks anywhere anymore. As far as how valid this
section still is, we don't know, because we haven't had any large
installations use our new transaction-based code instead of our old
locking code. So I have no idea how it performs, or anything.

	-Max
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