sdong 9509003503 Option migration tool to break down files for FIFO compaction (#10600) ... Summary: Right now, when the option migration tool migrates to FIFO compaction, it compacts all the data into one single SST file and move to L0. Although it creates a valid LSM-tree for FIFO, for any data to be deleted for FIFO, the giant file will be deleted, which might make the DB almost empty. There is not good solution for it, because usually we don't have enough information to reconstruct the FIFO LSM-tree. This change changes to a solution that compromises the FIFO condition. We hope the solution is more useable. Pull Request resolved: https://github.com/facebook/rocksdb/pull/10600 Test Plan: Add unit tests for that. Reviewed By: jay-zhuang Differential Revision: D39106424 fbshipit-source-id: bdfd852c3b343373765b8d9716fefc08fd27145c		2022-08-31 12:08:23 -07:00
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option_change_migration.cc	Option migration tool to break down files for FIFO compaction (#10600)	2022-08-31 12:08:23 -07:00
option_change_migration_test.cc	Option migration tool to break down files for FIFO compaction (#10600)	2022-08-31 12:08:23 -07:00