A knit is the current storage mechanism for Bazaar.
Knits are an extension of the weave format. Knits are similiar to weaves in that all revisions for a file are stored within a single file. One important difference, however, is that knits work by appending new versions of a file to an existing knit file rather than regenerating a whole new file.
The expected performance improvements for Bazaar are dramatic. Tests indicate that the performance improvements from this modification to be a reduction of time upon the order of 98%