The savings, compared to our previous approach, add up to 6 petabytes of user data saved per day! App Updates using File-by-File patching are, on average, 65% smaller than the full app, and in some cases more than 90% smaller. Today, we're excited to share a new approach that goes further - File-by-File patching. Using bsdiff, we were able to reduce the size of app updates on average by 47% compared to the full APK size. Earlier this year, we announced that we started using the bsdiff algorithm (by Colin Percival). It takes a lot of data to download these updates and we know users care about how much data their devices are using. We're also seeing developers update their apps frequently in order to provide users with great content, improve security, and enhance the overall user experience. Posted by Andrew Hayden, Software Engineer on Google PlayĪndroid users are downloading tens of billions of apps and games on Google Play.
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