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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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7
beacon_node/src/lib.rs
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@@ -79,6 +79,7 @@ impl<E: EthSpec> ProductionBeaconNode<E> {
let spec = context.eth2_config().spec.clone();
let genesis_eth1_config = client_config.eth1.clone();
let client_genesis = client_config.genesis.clone();
let store_config = client_config.store.clone();
let log = context.log.clone();
let db_path_res = client_config.create_db_path();
@@ -90,7 +91,11 @@ impl<E: EthSpec> ProductionBeaconNode<E> {
Ok(ClientBuilder::new(context.eth_spec_instance.clone())
.runtime_context(context)
.chain_spec(spec)
.disk_store(&db_path, &freezer_db_path_res?)?
.disk_store(
&db_path,
&freezer_db_path_res?,
store_config.slots_per_restore_point,
)?
.background_migrator()?)
})
.and_then(move |builder| {