Huachao Huang ab43ff58b5 Delete files in multiple ranges at once ... Summary: Using `DeleteFilesInRange` to delete files in a lot of ranges can be slow, because `VersionSet::LogAndApply` is expensive. This PR adds a new `DeleteFilesInRange` function to delete files in multiple ranges at once. Close https://github.com/facebook/rocksdb/issues/2951 Closes https://github.com/facebook/rocksdb/pull/3431 Differential Revision: D6849228 Pulled By: ajkr fbshipit-source-id: daeedcabd8def4b1d9ee95a58266dee77b5d68cb		2018-01-30 13:56:39 -08:00
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rocksdb	Delete files in multiple ranges at once	2018-01-30 13:56:39 -08:00