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Snapshot Packaging Service (#5262)

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* Snapshot serialization and packaging
This commit is contained in:
carllin
2019-07-31 17:58:10 -07:00
committed by GitHub
parent 937f9ad049
commit 6cb2040a1b
18 changed files with 990 additions and 274 deletions
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22
runtime/src/status_cache.rs
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@@ -6,7 +6,7 @@ use solana_sdk::hash::Hash;
use solana_sdk::signature::Signature;
use std::collections::{HashMap, HashSet};
const MAX_CACHE_ENTRIES: usize = solana_sdk::timing::MAX_HASH_AGE_IN_SECONDS;
pub const MAX_CACHE_ENTRIES: usize = solana_sdk::timing::MAX_HASH_AGE_IN_SECONDS;
const CACHED_SIGNATURE_SIZE: usize = 20;
// Store forks in a single chunk of memory to avoid another lookup.
@@ -104,14 +104,7 @@ impl<T: Serialize + Clone> StatusCache<T> {
/// After MAX_CACHE_ENTRIES, roots are removed, and any old signatures are cleared.
pub fn add_root(&mut self, fork: ForkId) {
self.roots.insert(fork);
if self.roots.len() > MAX_CACHE_ENTRIES {
if let Some(min) = self.roots.iter().min().cloned() {
self.roots.remove(&min);
for cache in self.cache.iter_mut() {
cache.retain(|_, (fork, _, _)| *fork > min);
}
}
}
self.purge_roots();
}
/// Insert a new signature for a specific fork.
@@ -136,6 +129,17 @@ impl<T: Serialize + Clone> StatusCache<T> {
sig_forks.push((fork, res));
}
pub fn purge_roots(&mut self) {
if self.roots.len() > MAX_CACHE_ENTRIES {
if let Some(min) = self.roots.iter().min().cloned() {
self.roots.remove(&min);
for cache in self.cache.iter_mut() {
cache.retain(|_, (fork, _, _)| *fork > min);
}
}
}
}
fn insert_entry(
&mut self,
transaction_blockhash: &Hash,