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

[bugzilla-daemon at webkit.org]

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

--- Comment #8 from Antti Koivisto <koivisto at iki.fi> ---
> 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.

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