3 Commits

Author	SHA1	Message	Date
Michael Sproul	e0b9fa599f	Add LRU cache to database (#837) ... * Add LRU caches to store * Improvements to LRU caches * Take state by value in `Store::put_state` * Store blocks by value, configurable cache sizes * Use a StateBatch to efficiently store skip states * Fix store tests * Add CloneConfig test, remove unused metrics * Use Mutexes instead of RwLocks for LRU caches	2020-02-10 11:30:21 +11:00
Michael Sproul	5a8f2dd961	Increase default slots per restore point to 2048 (#790) ... This should reduce disk usage by 32x while keeping historical state queries to less than 10s. If historical states are required quickly, the minimum SPRP of 32 can be set on the CLI.	2020-01-10 14:42:49 +11:00
Michael Sproul	d0319320ce	Improve freezer DB efficiency with periodic restore points (#649) ... * Draft of checkpoint freezer DB * Fix bugs * Adjust root iterators for checkpoint database * Fix freezer state lookups with no slot hint * Fix split comment * Use "restore point" to refer to frozen states * Resolve some FIXMEs * Configurable slots per restore point * Document new freezer DB functions * Fix up StoreConfig * Fix new test for merge * Document SPRP default CLI flag, clarify tests	2019-12-06 14:29:06 +11:00