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1424543e11
The format is currently sitting in storage_service, but the previous set patched all the users not to call it, instead they use sstables_manager to get the highest supported format. So this set finalizes this effort and places the format on sstables_manager(s). The set introduces the db::sstables_format_selector, that - starts with the lowest format (ka) - reads one on start from system tables - subscribes on sstables-related features and bumps up the selection if the respective feature is enabled During its lifetime the selector holds a reference to the sharded<database> and updates the format on it, the database, in turn, propagates it further to sstables_managers. The managers start with the highest known format (mc) which is done for tests. * https://github.com/xemul/scylla br-move-sstables-format-4: storage_service: Get rid of one-line helpers system_keyspace: Cleanup setup() from storage_service format_selector: Log which format is being selected sstables_manager: Keep format on format_selector: Make it standalone format_selector: Move the code into db/ format_selector: Select format locally storage_service: Introduce format_selector storage_service: Split feature_enabled_listener::on_enabled storage_service: Tossing bits around features: Introduce and use masked features features: Get rid of per-features booleans