Peter Dillinger 10196d7edc Ribbon long-term support, starting level support (#8198) ... Summary: Since the Ribbon filter schema seems good (compatible back to 6.15.0), this change commits to long term support of the SST schema, even though we expect the API for enabling Ribbon to change (still called NewExperimentalRibbonFilterPolicy). This also adds support for "hybrid" configuration in which some levels use Bloom (higher levels, lower numbered) for speed and the rest use Ribbon (lower levels, higher numbered) for memory space efficiency. Pull Request resolved: https://github.com/facebook/rocksdb/pull/8198 Test Plan: unit test added, crash test support Reviewed By: jay-zhuang Differential Revision: D27831232 Pulled By: pdillinger fbshipit-source-id: 90e528677689474d293ed6710b42ba89fbd5b5ab		2021-04-16 15:43:08 -07:00
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rocksdb	Ribbon long-term support, starting level support (#8198)	2021-04-16 15:43:08 -07:00