square/okhttp — pull request #961 by JakeWharton (2014-06-24 04:30:55+00:00)
Title: Eagerly create Entry Files for every value.

Through the various code paths that an Entry would pass through both the clean and dirty File would be needed at least once. Creating it and the StringBuilders every time was having a large impact on allocation in high-frequency situations (like images in an Android app).