[Webkit-unassigned] [Bug 190957] New: Use random() instead of begin() to limit cache sizes

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=190957

            Bug ID: 190957
           Summary: Use random() instead of begin() to limit cache sizes
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebCore Misc.
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: koivisto at iki.fi

We use cache.remove(cache.begin()) pattern to limit sized of various caches. This is a bad pattern for tables that never rehash (because they have fixed maximum size) as most of the keys get permanently stuck in the table.

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