Boris Feld writes:
> # HG changeset patch
> # User Jun Wu
> # Date 1496595729 25200
> # Sun Jun 04 10:02:09 2017 -0700
> # Node ID e73d330f6fdb0cf1635920f4302b61b321ec58e2
> # Parent ff2ebc11f12a26a4e0bda3ccf5fde63f5f690813
> # EXP-Topic obs-cache
> obsstore: let read marker API take a ra
# HG changeset patch
# User Jun Wu
# Date 1496595729 25200
# Sun Jun 04 10:02:09 2017 -0700
# Node ID e73d330f6fdb0cf1635920f4302b61b321ec58e2
# Parent ff2ebc11f12a26a4e0bda3ccf5fde63f5f690813
# EXP-Topic obs-cache
obsstore: let read marker API take a range of offsets
This allows us to read