47 lines
1.4 KiB
Rust
47 lines
1.4 KiB
Rust
//! The `ledger_metric_report_service` periodically reports ledger store metrics.
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use {
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solana_ledger::blockstore::Blockstore,
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std::{
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string::ToString,
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sync::{
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atomic::{AtomicBool, Ordering},
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Arc,
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},
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thread::{self, Builder, JoinHandle},
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time::Duration,
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},
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};
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// Determines how often we report blockstore metrics under
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// LedgerMetricReportService. Note that there're other blockstore
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// metrics that are reported outside LedgerMetricReportService.
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const BLOCKSTORE_METRICS_REPORT_PERIOD_MILLIS: u64 = 10000;
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pub struct LedgerMetricReportService {
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t_cf_metric: JoinHandle<()>,
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}
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impl LedgerMetricReportService {
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pub fn new(blockstore: Arc<Blockstore>, exit: &Arc<AtomicBool>) -> Self {
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let exit_signal = exit.clone();
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let t_cf_metric = Builder::new()
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.name("solRocksCfMtrcs".to_string())
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.spawn(move || loop {
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if exit_signal.load(Ordering::Relaxed) {
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break;
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}
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thread::sleep(Duration::from_millis(
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BLOCKSTORE_METRICS_REPORT_PERIOD_MILLIS,
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));
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blockstore.submit_rocksdb_cf_metrics_for_all_cfs();
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})
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.unwrap();
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Self { t_cf_metric }
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}
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pub fn join(self) -> thread::Result<()> {
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self.t_cf_metric.join()
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}
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}
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