Commit Graph

2 Commits

Author SHA1 Message Date
sdong
f41df3045c OptionChangeMigration() to support FIFO compaction
Summary: OptionChangeMigration() to support FIFO compaction. If the DB before migration is using FIFO compaction, nothing should be done. If the desitnation option is FIFO options, compact to one single L0 file if the source has more than one levels.

Test Plan: Run option_change_migration_test

Reviewers: andrewkr, IslamAbdelRahman

Reviewed By: IslamAbdelRahman

Subscribers: leveldb, andrewkr, dhruba

Differential Revision: https://reviews.facebook.net/D65289
2016-10-24 18:04:32 -07:00
sdong
7c4615cf1f A utility function to help users migrate DB after options change
Summary: Add a utility function that trigger necessary full compaction and put output to the correct level by looking at new options and old options.

Test Plan: Add unit tests for it.

Reviewers: andrewkr, igor, IslamAbdelRahman

Reviewed By: IslamAbdelRahman

Subscribers: muthu, sumeet, leveldb, andrewkr, dhruba

Differential Revision: https://reviews.facebook.net/D60783
2016-08-05 15:39:55 -07:00