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Add server loop-related metrics

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This commit is contained in:
Roman Zeyde 2021-12-24 09:37:30 +02:00
parent 1a8607bb73
commit 4508125ac1
1 changed files with 35 additions and 26 deletions
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17
src/server.rs
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@ -77,6 +77,12 @@ fn serve() -> Result<()> {
"type", "type",
metrics::default_size_buckets(), metrics::default_size_buckets(),
); );
let duration = metrics.histogram_vec(
"server_loop_duration",
"server loop duration",
"step",
metrics::default_duration_buckets(),
);
let mut rpc = Rpc::new(&config, metrics)?; let mut rpc = Rpc::new(&config, metrics)?;
let new_block_rx = rpc.new_block_notification(); let new_block_rx = rpc.new_block_notification();
@ -84,8 +90,8 @@ fn serve() -> Result<()> {
loop { loop {
// initial sync and compaction may take a few hours // initial sync and compaction may take a few hours
while server_rx.is_empty() { while server_rx.is_empty() {
let done = rpc.sync().context("sync failed")?; // sync a batch of blocks let done = duration.observe_duration("sync", || rpc.sync().context("sync failed"))?; // sync a batch of blocks
peers = notify_peers(&rpc, peers); // peers are disconnected on error peers = duration.observe_duration("notify", || notify_peers(&rpc, peers)); // peers are disconnected on error
if !done { if !done {
continue; // more blocks to sync continue; // more blocks to sync
} }
@ -94,6 +100,7 @@ fn serve() -> Result<()> {
} }
break; break;
} }
duration.observe_duration("select", || -> Result<()> {
select! { select! {
// Handle signals for graceful shutdown // Handle signals for graceful shutdown
recv(rpc.signal().receiver()) -> result => { recv(rpc.signal().receiver()) -> result => {
@ -114,10 +121,12 @@ fn serve() -> Result<()> {
let rest = server_rx.iter().take(server_rx.len()); let rest = server_rx.iter().take(server_rx.len());
let events: Vec<Event> = first.chain(rest).collect(); let events: Vec<Event> = first.chain(rest).collect();
server_batch_size.observe("recv", events.len() as f64); server_batch_size.observe("recv", events.len() as f64);
handle_events(&rpc, &mut peers, events); duration.observe_duration("handle", || handle_events(&rpc, &mut peers, events));
}, },
default(config.wait_duration) => (), // sync and update default(config.wait_duration) => (), // sync and update
} };
Ok(())
})?;
} }
} }