934f96de27
Summary: Delete archive directory before WAL folder since archive may be contained as a subfolder. Also improve loop readability. Closes https://github.com/facebook/rocksdb/pull/3797 Differential Revision: D7866378 Pulled By: riversand963 fbshipit-source-id: 0c45d97677ce6fbefa3f8d602ef5e2a2a925e6f5