e64508917b
Summary: 1. `db_bench` now supports `value_size_distribution_type`, `value_size_min`, `value_size_max` options for generating random variable sized value. 2. Added `blob_db_compression_type` option for BlobDB to enable blob compression. Pull Request resolved: https://github.com/facebook/rocksdb/pull/6386 Differential Revision: D19859406 Pulled By: zhichao-cao fbshipit-source-id: ace52674090023fde15d832392110bf288a8e215