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remove store_cached stall (#21326)

This commit is contained in:
Jeff Washington (jwash) 2021-11-17 18:30:40 -06:00 committed by GitHub
parent 83de2f7376
commit 9cb74e8421
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1 changed files with 1 additions and 24 deletions
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25
runtime/src/accounts_db.rs
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@ -79,6 +79,7 @@ use std::{
};
use tempfile::TempDir;
#[cfg(test)]
use std::{thread::sleep, time::Duration};
const PAGE_SIZE: u64 = 4 * 1024;
@ -6249,31 +6250,7 @@ impl AccountsDb {
}
}
/// sleep while accounts cache size has grown too large, up to a max wait
fn maybe_stall_store_cached(&self, accounts: &[(&Pubkey, &AccountSharedData)]) {
const MAX_DELAY_US: u128 = 10_000;
const CACHE_SIZE_TO_STALL: u64 = 10_000_000_000;
const DELAY_US: u64 = 1_000;
let start = Instant::now();
let mut waited = false;
while self.accounts_cache.size() > CACHE_SIZE_TO_STALL {
waited = true;
sleep(Duration::from_micros(DELAY_US));
if start.elapsed().as_micros() > MAX_DELAY_US {
break;
}
}
if waited {
datapoint_info!(
"accounts_db_store_cached_stall",
("num_accounts", accounts.len(), i64),
("delay_us", start.elapsed().as_micros(), i64),
);
}
}
pub fn store_cached(&self, slot: Slot, accounts: &[(&Pubkey, &AccountSharedData)]) {
self.maybe_stall_store_cached(accounts);
self.store(slot, accounts, self.caching_enabled);
}