[Webkit-unassigned] [Bug 21736] Long-dead decoded image data make up for most of the object cache's memory use over time

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=21736


mitz at webkit.org changed:

           What    |Removed                     |Added
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  Attachment #24495|                            |review?
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------- Comment #1 from mitz at webkit.org  2008-10-18 17:30 PDT -------
Created an attachment (id=24495)
 --> (https://bugs.webkit.org/attachment.cgi?id=24495&action=view)
Destroy decoded image data that has been dead for one minute

This is the most straightforward patch, I think. The cost of an extra timer in
each CachedImage appears to be negligible, and managing a queue with a single
timer in the Cache turned out to be more complicated and had no significant
benefit. Likewise, adding an intermediate subclass
("CachedObjectWithDecodedDataThatDestroysItselfOnATimer") between CachedObject
and CachedImage seemed unnecessary for as long as images are the only objects
with decoded data.


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