On Wed, Jan 18, 2017 at 09:20:07PM +0100, Ulrich Spörlein wrote: > I found your commit via bisect in case you were wondering. Thanks for > picking this up. Still downloading. However, just looking at the code, the obvious culprit would be clear_delta_base_cache(), which is called from literally nowhere except fast-import, and then only when checkpointing. -Peff