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Gather metrics only when /metrics endpoint is retrieved

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This commit is contained in:
Antonio Scandurra 2022-06-24 09:28:52 +02:00
parent a04adbcac1
commit fc5517b6be
1 changed files with 5 additions and 16 deletions
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21
crates/collab/src/rpc.rs
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@ -1682,21 +1682,6 @@ impl<'a> Drop for StoreWriteGuard<'a> {
fn drop(&mut self) {
#[cfg(test)]
self.check_invariants();
let metrics = self.metrics();
METRIC_CONNECTIONS.set(metrics.connections as _);
METRIC_REGISTERED_PROJECTS.set(metrics.registered_projects as _);
METRIC_ACTIVE_PROJECTS.set(metrics.active_projects as _);
METRIC_SHARED_PROJECTS.set(metrics.shared_projects as _);
tracing::info!(
connections = metrics.connections,
registered_projects = metrics.registered_projects,
active_projects = metrics.active_projects,
shared_projects = metrics.shared_projects,
"metrics"
);
}
}
@ -1802,7 +1787,11 @@ pub async fn handle_websocket_request(
pub async fn handle_metrics(Extension(server): Extension<Arc<Server>>) -> axum::response::Response {
// We call `store_mut` here for its side effects of updating metrics.
server.store_mut().await;
let metrics = server.store().await.metrics();
METRIC_CONNECTIONS.set(metrics.connections as _);
METRIC_REGISTERED_PROJECTS.set(metrics.registered_projects as _);
METRIC_ACTIVE_PROJECTS.set(metrics.active_projects as _);
METRIC_SHARED_PROJECTS.set(metrics.shared_projects as _);
let encoder = prometheus::TextEncoder::new();
let metric_families = prometheus::gather();