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Optimize stale slot shrinking for previously cleaned roots (#10099)

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* Prioritize shrinking of previously cleaned roots

* measure time of stale slot shrinking

* Disable shrink for test

* shrink: budgeting, store count, force for snapshot

* Polish implementation and fix tests

* Fix ci..

* Clean up a bit

* Further polish implementation and fix/add tests

* Rebase fixes

* Remove unneeded Default for AccountStorageEntry

* Address review comments

* More cleanup

* More cleanup
This commit is contained in:
Ryo Onodera
2020-06-12 14:51:43 +09:00
committed by GitHub
parent 4f761395d2
commit dfe72d5242
4 changed files with 252 additions and 51 deletions
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8
core/src/accounts_background_service.rs
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@ -15,11 +15,15 @@ pub struct AccountsBackgroundService {
}
const INTERVAL_MS: u64 = 100;
const SHRUNKEN_ACCOUNT_PER_SEC: usize = 250;
const SHRUNKEN_ACCOUNT_PER_INTERVAL: usize =
SHRUNKEN_ACCOUNT_PER_SEC / (1000 / INTERVAL_MS as usize);
impl AccountsBackgroundService {
pub fn new(bank_forks: Arc<RwLock<BankForks>>, exit: &Arc<AtomicBool>) -> Self {
info!("AccountsBackgroundService active");
let exit = exit.clone();
let mut consumed_budget = 0;
let t_background = Builder::new()
.name("solana-accounts-background".to_string())
.spawn(move || loop {
@ -30,8 +34,8 @@ impl AccountsBackgroundService {
bank.process_dead_slots();
// Currently, given INTERVAL_MS, we process 1 slot/100 ms
bank.process_stale_slot();
consumed_budget = bank
.process_stale_slot_with_budget(consumed_budget, SHRUNKEN_ACCOUNT_PER_INTERVAL);
sleep(Duration::from_millis(INTERVAL_MS));
})