[Webkit-unassigned] [Bug 190792] topPrivatelyControlledDomain is slow

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=190792

Geoffrey Garen <ggaren at apple.com> changed:

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                 CC|                            |ggaren at apple.com

--- Comment #14 from Geoffrey Garen <ggaren at apple.com> ---
(In reply to Antti Koivisto from comment #8)
> > Seems very aggressive to clear the whole cache? Why not simply kick one
> > value out like we usually do?
> 
> I tested and it turns out it is a terrible strategy for this sort of thing
> at least in the usual 'map.remove(map.begin())' form. Since the table is
> never rehashed we always end up removing keys that hash to the early part of
> the table and the rest are stuck forever.

Why doesn't the table rehash?

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