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Improve freezer DB efficiency with periodic restore points (#649)

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* 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
This commit is contained in:
Michael Sproul
2019-12-06 14:29:06 +11:00
committed by Paul Hauner
parent 5a765396b7
commit d0319320ce
13 changed files with 587 additions and 91 deletions
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4
beacon_node/beacon_chain/tests/persistence_tests.rs
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@@ -27,9 +27,11 @@ fn get_store(db_path: &TempDir) -> Arc<DiskStore> {
let spec = E::default_spec();
let hot_path = db_path.path().join("hot_db");
let cold_path = db_path.path().join("cold_db");
let slots_per_restore_point = MinimalEthSpec::slots_per_historical_root() as u64;
let log = NullLoggerBuilder.build().expect("logger should build");
Arc::new(
DiskStore::open(&hot_path, &cold_path, spec, log).expect("disk store should initialize"),
DiskStore::open::<E>(&hot_path, &cold_path, slots_per_restore_point, spec, log)
.expect("disk store should initialize"),
)
}