There is temporary repo for issue. After clone diff is always slow and do full recalculation until first record. After record repo contains some checkpoint and diff start works fast.
Looks like you store important checkpoint for diff speed after record, not after clone itself.
34Q5U4HLC4ZEFTIEJY5EDNUJPTXLP7Y2TECHRI555QHUREBYBLPAC
Fixed, thanks!
There is temporary repo for issue. After clone diff is always slow and do full recalculation until first record. After record repo contains some checkpoint and diff start works fast.