[Webkit-unassigned] [Bug 170122] New: [link preload] Double downloads of preloaded content when it's in MemoryCache

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=170122

            Bug ID: 170122
           Summary: [link preload] Double downloads of preloaded content
                    when it's in MemoryCache
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Page Loading
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: yoav at yoav.ws
                CC: beidson at apple.com

As a follow up to https://bugs.webkit.org/show_bug.cgi?id=169274 I still see double downloads in test scenarios (where I believe the test runner is not necessarily clearing the MemoryCache between runs).

I think there are also other scenarios where the solution we added to 169274 is not sufficient and can cause a double download. Also, in a separate patch where I'm trying to add preloadScanner support to link preload, I see a lot of tests regress due to double downloads.

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