55bf42a80c
Summary: Recompress blobs if compression type is changed. Pull Request resolved: https://github.com/facebook/rocksdb/pull/7331 Test Plan: `make check` Reviewed By: ltamasi Differential Revision: D23437102 Pulled By: jay-zhuang fbshipit-source-id: bb699ebdad137721d422e42e331d4de8a82a7c5f