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use {
solana_ledger::blockstore::Blockstore,
std::{
string::ToString,
sync::{
atomic::{AtomicBool, Ordering},
Arc,
},
thread::{self, Builder, JoinHandle},
time::Duration,
},
};
const BLOCKSTORE_METRICS_REPORT_PERIOD_MILLIS: u64 = 10000;
pub struct LedgerMetricReportService {
t_cf_metric: JoinHandle<()>,
}
impl LedgerMetricReportService {
pub fn new(blockstore: Arc<Blockstore>, exit: &Arc<AtomicBool>) -> Self {
let exit_signal = exit.clone();
let t_cf_metric = Builder::new()
.name("solRocksCfMtrcs".to_string())
.spawn(move || loop {
if exit_signal.load(Ordering::Relaxed) {
break;
}
thread::sleep(Duration::from_millis(
BLOCKSTORE_METRICS_REPORT_PERIOD_MILLIS,
));
blockstore.submit_rocksdb_cf_metrics_for_all_cfs();
})
.unwrap();
Self { t_cf_metric }
}
pub fn join(self) -> thread::Result<()> {
self.t_cf_metric.join()
}
}