0f4d90e6e4
Summary: Added support for sequential read-ahead file that can prefetch the read data and later serve it from internal cache buffer. Pull Request resolved: https://github.com/facebook/rocksdb/pull/5580 Differential Revision: D16287082 Pulled By: elipoz fbshipit-source-id: a3e7ad9643d377d39352ff63058ce050ec31dcf3