A new compaction picking priority that optimizes for write amplification for random updates.
Summary: Introduce a compaction picking priority that picks files who contains the oldest rows to compact. This is a mode that slightly improves write amplification for random update cases. Test Plan: Add a unit test and run it in valgrind too. Reviewers: yhchiang, anthony, IslamAbdelRahman, rven, kradhakrishnan, MarkCallaghan, igor Reviewed By: igor Subscribers: leveldb, dhruba Differential Revision: https://reviews.facebook.net/D51459
Showing
想要评论请 注册 或 登录