[Webkit-unassigned] [Bug 144259] Network Cache: Disk cache getting filled by YouTube video data

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Tue Apr 28 03:20:08 PDT 2015


--- Comment #15 from Antti Koivisto <koivisto at iki.fi> ---
> We don't think that people rewind, fast-forward, and/or revisit videos? I
> tend to do all of those things. :(

At least the current YouTube player never seems to generate the same URL twice so cache entires are never hit. For rewind and fast-forward have 5min 1024p, 314MB memory cache on MSE level (bigger than the entire disk cache).

We can't currently move data from the memory cache to MSE without copying so there is no mapped file benefit either.

We should revisit this at some point. I think we want a separate more transient media cache section on disk and we should allow copy-free use of mapped buffers through the stack.

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