docker/docker — pull request #7921 by unclejack (2014-09-06 12:31:42+00:00)
Title: pkg/tarsum: increase buffer size to 32 KB

This PR increases the buffer size of tarsum to 32 KB. This change is required to avoid allocating memory excessively after the recent archive buffering changes. Reading is now done into slices which are 32 KB and we need to avoid allocating memory in this case, too.