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This repository has been archived by the owner on Apr 21, 2023. It is now read-only.
Image rewrites are CPU intensive. For some large sites with many images, some
images are frequently fetched while the majority of images are infrequently
fetched. Optimizing every image can be wasteful for images that are unlikely
to be fetched again soon.
Keeping track of frequency counts for every image is a memory and complexity
burden. Instead, we should support random drops of image rewrites, which is
stateless. For instance, if 90% of image rewrites are dropped, then there is a
10% chance of optimizing an image fetched only once, but a 99% chance of
optimizing an image fetched 50 times.
Original issue reported on code.google.com by jkar...@google.com on 5 Jun 2013 at 1:19
The text was updated successfully, but these errors were encountered:
A new option, ModPagespeedRewriteRandomDropPercentage has been added.
A value of 100 means that all image/CSS rewrites are dropped and a value of 50
means that half of them are. All images within an optimized CSS file will be
optimized to prevent partial CSS rewrites.
This feature will be available in the next release.
Original comment by jkar...@google.com on 11 Jun 2013 at 5:11
Changed title: Support random dropping of expensive rewrites
Original issue reported on code.google.com by
jkar...@google.com
on 5 Jun 2013 at 1:19The text was updated successfully, but these errors were encountered: