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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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17
beacon_node/client/src/builder.rs
View File

@@ -577,7 +577,12 @@ where
TEventHandler: EventHandler<TEthSpec> + 'static,
{
/// Specifies that the `Client` should use a `DiskStore` database.
pub fn disk_store(mut self, hot_path: &Path, cold_path: &Path) -> Result<Self, String> {
pub fn disk_store(
mut self,
hot_path: &Path,
cold_path: &Path,
slots_per_restore_point: u64,
) -> Result<Self, String> {
let context = self
.runtime_context
.as_ref()
@@ -588,8 +593,14 @@ where
.clone()
.ok_or_else(|| "disk_store requires a chain spec".to_string())?;
let store = DiskStore::open(hot_path, cold_path, spec, context.log)
.map_err(|e| format!("Unable to open database: {:?}", e).to_string())?;
let store = DiskStore::open::<TEthSpec>(
hot_path,
cold_path,
slots_per_restore_point,
spec,
context.log,
)
.map_err(|e| format!("Unable to open database: {:?}", e).to_string())?;
self.store = Some(Arc::new(store));
Ok(self)
}