Summary:
Refactor dump_tool and undump_tool so that it's possible to use them with customized options
for example setting a specific comparator similar to what Dragon is doing with the LdbTool
https://phabricator.fb.com/diffusion/FBCODE/browse/master/dragon/tools/Ldb.cpp
Test Plan:
compiles
used it to dump / undump a dragon shard
Reviewers: sdong, yhchiang, igor
Reviewed By: igor
Subscribers: dhruba, adsharma
Differential Revision: https://reviews.facebook.net/D47853
Summary: Hack up rocksdb_dump and rocksdb_undump utilities to get this task rolling/promote discussion.
Test Plan: Dump/undump databases recursively to see if nothing is lost.
Reviewers: sdong, yhchiang, rven, anthony, kradhakrishnan, igor
Reviewed By: igor
Subscribers: dhruba
Differential Revision: https://reviews.facebook.net/D37269
