b28ec430e4
* Introduce background AppendVec shrink mechanism * Support ledger tool * Clean up * save * save * Fix CI * More clean up * Add tests * Clean up yet more * Use account.hash... * Fix typo.... * Add comment * Rename accounts_cleanup_service
46 lines
1.3 KiB
Rust
46 lines
1.3 KiB
Rust
// Service to clean up dead slots in accounts_db
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//
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// This can be expensive since we have to walk the append vecs being cleaned up.
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use solana_ledger::bank_forks::BankForks;
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use std::sync::{
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atomic::{AtomicBool, Ordering},
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Arc, RwLock,
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};
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use std::thread::{self, sleep, Builder, JoinHandle};
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use std::time::Duration;
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pub struct AccountsBackgroundService {
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t_background: JoinHandle<()>,
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}
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const INTERVAL_MS: u64 = 100;
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impl AccountsBackgroundService {
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pub fn new(bank_forks: Arc<RwLock<BankForks>>, exit: &Arc<AtomicBool>) -> Self {
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info!("AccountsBackgroundService active");
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let exit = exit.clone();
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let t_background = Builder::new()
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.name("solana-accounts-background".to_string())
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.spawn(move || loop {
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if exit.load(Ordering::Relaxed) {
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break;
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}
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let bank = bank_forks.read().unwrap().working_bank();
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bank.process_dead_slots();
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// Currently, given INTERVAL_MS, we process 1 slot/100 ms
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bank.process_stale_slot();
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sleep(Duration::from_millis(INTERVAL_MS));
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})
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.unwrap();
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Self { t_background }
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}
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pub fn join(self) -> thread::Result<()> {
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self.t_background.join()
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}
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}
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