f0fca2b1d5
Summary: Add compaction API for secondary instance, which compact the files to a secondary DB path without installing to the LSM tree. The API will be used to remote compaction. Pull Request resolved: https://github.com/facebook/rocksdb/pull/8171 Test Plan: `make check` Reviewed By: ajkr Differential Revision: D27694545 Pulled By: jay-zhuang fbshipit-source-id: 8ff3ec1bffdb2e1becee994918850c8902caf731