BROKEN! Start collecting more metrics about various sizes

src/collector.rs

@@ -15,6 +15,10 @@ const MINUTES: u64 = 60 * SECONDS;
 const HOURS: u64 = 60 * MINUTES;
 const DAYS: u64 = 24 * HOURS;
 
+pub(crate) fn recordable(len: usize) -> u32 {
+    ((len as u64) % u64::from(u32::MAX)) as u32
+}
+
 type DistributionMap = BTreeMap<Vec<(String, String)>, Summary>;
 
 #[derive(Clone)]
@@ -295,11 +299,20 @@ impl Inner {
                 .entry(labels)
                 .or_insert_with(Summary::with_defaults);
 
-            histogram.get_inner().clear_with(|samples| {
+            let h = histogram.get_inner().clear_with(|samples| {
                 for sample in samples {
                     entry.add(*sample);
                 }
-            })
+            });
+
+            let mut total_len = 0;
+            for dist_map in d.values() {
+                total_len += dist_map.len();
+            }
+
+            metrics::gauge!("relay.collector.distributions.size").set(recordable(total_len));
+
+            h
         }
 
         let d = self.distributions.read().unwrap().clone();
@@ -358,6 +371,7 @@ impl MemoryCollector {
     ) {
         let mut d = self.inner.descriptions.write().unwrap();
         d.entry(key.as_str().to_owned()).or_insert(description);
+        metrics::gauge!("relay.collector.descriptions.size").set(recordable(d.len()));
     }
 
     pub(crate) fn install(&self) -> Result<(), SetRecorderError<Self>> {

src/data/last_online.rs

@@ -9,10 +9,10 @@ pub(crate) struct LastOnline {
 impl LastOnline {
     pub(crate) fn mark_seen(&self, iri: &IriStr) {
         if let Some(authority) = iri.authority_str() {
-            self.domains
-                .lock()
-                .unwrap()
-                .insert(authority.to_string(), OffsetDateTime::now_utc());
+            let mut guard = self.domains.lock().unwrap();
+            guard.insert(authority.to_string(), OffsetDateTime::now_utc());
+            metrics::gauge!("relay.last-online.size",)
+                .set(crate::collector::recordable(guard.len()));
         }
     }
 

src/data/state.rs

@@ -73,7 +73,9 @@ impl State {
     }
 
     pub(crate) fn cache(&self, object_id: IriString, actor_id: IriString) {
-        self.object_cache.write().unwrap().put(object_id, actor_id);
+        let mut guard = self.object_cache.write().unwrap();
+        guard.put(object_id, actor_id);
+        metrics::gauge!("relay.object-cache.size").set(crate::collector::recordable(guard.len()));
     }
 
     pub(crate) fn is_connected(&self, iri: &IriString) -> bool {

src/db.rs

@@ -7,7 +7,7 @@ use rsa::{
     pkcs8::{DecodePrivateKey, EncodePrivateKey},
     RsaPrivateKey,
 };
-use sled::{Batch, Tree};
+use sled::{transaction::TransactionError, Batch, Transactional, Tree};
 use std::{
     collections::{BTreeMap, HashMap},
     sync::{
@@ -283,10 +283,15 @@ impl Db {
     pub(crate) async fn check_health(&self) -> Result<(), Error> {
         let next = self.inner.healthz_counter.fetch_add(1, Ordering::Relaxed);
         self.unblock(move |inner| {
-            inner
+            let res = inner
                 .healthz
                 .insert("healthz", &next.to_be_bytes()[..])
-                .map_err(Error::from)
+                .map_err(Error::from);
+
+            metrics::gauge!("relay.db.healthz.size")
+                .set(crate::collector::recordable(inner.healthz.len()));
+
+            res
         })
         .await?;
         self.inner.healthz.flush_async().await?;
@@ -349,6 +354,9 @@ impl Db {
                 .actor_id_info
                 .insert(actor_id.as_str().as_bytes(), vec)?;
 
+            metrics::gauge!("relay.db.actor-id-info.size")
+                .set(crate::collector::recordable(inner.actor_id_info.len()));
+
             Ok(())
         })
         .await
@@ -383,6 +391,9 @@ impl Db {
                 .actor_id_instance
                 .insert(actor_id.as_str().as_bytes(), vec)?;
 
+            metrics::gauge!("relay.db.actor-id-instance.size")
+                .set(crate::collector::recordable(inner.actor_id_instance.len()));
+
             Ok(())
         })
         .await
@@ -417,6 +428,9 @@ impl Db {
                 .actor_id_contact
                 .insert(actor_id.as_str().as_bytes(), vec)?;
 
+            metrics::gauge!("relay.db.actor-id-contact.size")
+                .set(crate::collector::recordable(inner.actor_id_contact.len()));
+
             Ok(())
         })
         .await
@@ -447,6 +461,12 @@ impl Db {
             inner
                 .media_url_media_id
                 .insert(url.as_str().as_bytes(), id.as_bytes())?;
+
+            metrics::gauge!("relay.db.media-id-media-url.size")
+                .set(crate::collector::recordable(inner.media_id_media_url.len()));
+            metrics::gauge!("relay.db.media-url-media-id.size")
+                .set(crate::collector::recordable(inner.media_url_media_id.len()));
+
             Ok(())
         })
         .await
@@ -538,6 +558,14 @@ impl Db {
             inner
                 .actor_id_actor
                 .insert(actor.id.as_str().as_bytes(), vec)?;
+
+            metrics::gauge!("relay.db.public-key-actor-id.size").set(crate::collector::recordable(
+                inner.public_key_id_actor_id.len(),
+            ));
+
+            metrics::gauge!("relay.db.actor-id-actor.size").set(crate::collector::recordable(
+                inner.public_key_id_actor_id.len(),
+            ));
             Ok(())
         })
         .await
@@ -550,6 +578,10 @@ impl Db {
                 .connected_actor_ids
                 .remove(actor_id.as_str().as_bytes())?;
 
+            metrics::gauge!("relay.db.connected-actor-ids.size").set(crate::collector::recordable(
+                inner.connected_actor_ids.len(),
+            ));
+
             Ok(())
         })
         .await
@@ -562,6 +594,10 @@ impl Db {
                 .connected_actor_ids
                 .insert(actor_id.as_str().as_bytes(), actor_id.as_str().as_bytes())?;
 
+            metrics::gauge!("relay.db.connected-actor-ids.size").set(crate::collector::recordable(
+                inner.connected_actor_ids.len(),
+            ));
+
             Ok(())
         })
         .await
@@ -569,30 +605,60 @@ impl Db {
 
     pub(crate) async fn add_blocks(&self, domains: Vec<String>) -> Result<(), Error> {
         self.unblock(move |inner| {
+            let mut connected_batch = Batch::default();
+            let mut blocked_batch = Batch::default();
+            let mut allowed_batch = Batch::default();
+
             for connected in inner.connected_by_domain(&domains) {
-                inner
-                    .connected_actor_ids
-                    .remove(connected.as_str().as_bytes())?;
+                connected_batch.remove(connected.as_str().as_bytes());
             }
 
             for authority in &domains {
-                inner
-                    .blocked_domains
-                    .insert(domain_key(authority), authority.as_bytes())?;
-                inner.allowed_domains.remove(domain_key(authority))?;
+                blocked_batch.insert(domain_key(authority), authority.as_bytes());
+                allowed_batch.remove(domain_key(authority));
             }
 
+            let res = (
+                &inner.connected_actor_ids,
+                &inner.blocked_domains,
+                &inner.allowed_domains,
+            )
+                .transaction(|(connected, blocked, allowed)| {
+                    inner.connected_actor_ids.apply_batch(&connected_batch)?;
+                    inner.blocked_domains.apply_batch(&blocked_batch)?;
+                    inner.allowed_domains.apply_batch(&allowed_batch)?;
                     Ok(())
+                });
+
+            metrics::gauge!("relay.db.connected-actor-ids.size").set(crate::collector::recordable(
+                inner.connected_actor_ids.len(),
+            ));
+            metrics::gauge!("relay.db.blocked-domains.size")
+                .set(crate::collector::recordable(inner.blocked_domains.len()));
+            metrics::gauge!("relay.db.allowed-domains.size")
+                .set(crate::collector::recordable(inner.allowed_domains.len()));
+
+            match res {
+                Ok(()) => Ok(()),
+                Err(TransactionError::Abort(e) | TransactionError::Storage(e)) => Err(e.into()),
+            }
         })
         .await
     }
 
     pub(crate) async fn remove_blocks(&self, domains: Vec<String>) -> Result<(), Error> {
         self.unblock(move |inner| {
+            let mut blocked_batch = Batch::default();
+
             for authority in &domains {
-                inner.blocked_domains.remove(domain_key(authority))?;
+                blocked_batch.remove(domain_key(authority));
             }
 
+            inner.blocked_domains.apply_batch(blocked_batch)?;
+
+            metrics::gauge!("relay.db.blocked-domains.size")
+                .set(crate::collector::recordable(inner.blocked_domains.len()));
+
             Ok(())
         })
         .await
@@ -600,12 +666,17 @@ impl Db {
 
     pub(crate) async fn add_allows(&self, domains: Vec<String>) -> Result<(), Error> {
         self.unblock(move |inner| {
+            let mut allowed_batch = Batch::default();
+
             for authority in &domains {
-                inner
-                    .allowed_domains
-                    .insert(domain_key(authority), authority.as_bytes())?;
+                allowed_batch.insert(domain_key(authority), authority.as_bytes());
             }
 
+            inner.allowed_domains.apply_batch(allowed_batch)?;
+
+            metrics::gauge!("relay.db.allowed-domains.size")
+                .set(crate::collector::recordable(inner.allowed_domains.len()));
+
             Ok(())
         })
         .await
@@ -614,17 +685,30 @@ impl Db {
     pub(crate) async fn remove_allows(&self, domains: Vec<String>) -> Result<(), Error> {
         self.unblock(move |inner| {
             if inner.restricted_mode {
+                let mut connected_batch = Batch::default();
+
                 for connected in inner.connected_by_domain(&domains) {
-                    inner
-                        .connected_actor_ids
-                        .remove(connected.as_str().as_bytes())?;
-                }
+                    connected_batch.remove(connected.as_str().as_bytes());
                 }
 
-            for authority in &domains {
-                inner.allowed_domains.remove(domain_key(authority))?;
+                inner.connected_actor_ids.apply_batch(connected_batch)?;
+
+                metrics::gauge!("relay.db.connected-actor-ids.size").set(
+                    crate::collector::recordable(inner.connected_actor_ids.len()),
+                );
             }
 
+            let mut allowed_batch = Batch::default();
+
+            for authority in &domains {
+                allowed_batch.remove(domain_key(authority));
+            }
+
+            inner.allowed_domains.apply_batch(allowed_batch)?;
+
+            metrics::gauge!("relay.db.allowed-domains.size")
+                .set(crate::collector::recordable(inner.allowed_domains.len()));
+
             Ok(())
         })
         .await
@@ -665,6 +749,10 @@ impl Db {
             inner
                 .settings
                 .insert("private-key".as_bytes(), pem_pkcs8.as_bytes())?;
+
+            metrics::gauge!("relay.db.settings.size")
+                .set(crate::collector::recordable(inner.settings.len()));
+
             Ok(())
         })
         .await

src/jobs.rs

@@ -40,7 +40,12 @@ fn debug_object(activity: &serde_json::Value) -> &serde_json::Value {
     object
 }
 
+pub(crate) fn build_storage() -> MetricsStorage<Storage<TokioTimer>> {
+    MetricsStorage::wrap(Storage::new(TokioTimer))
+}
+
 pub(crate) fn create_workers(
+    storage: MetricsStorage<Storage<TokioTimer>>,
     state: State,
     actors: ActorCache,
     media: MediaCache,
@@ -48,9 +53,7 @@ pub(crate) fn create_workers(
 ) -> std::io::Result<JobServer> {
     let deliver_concurrency = config.deliver_concurrency();
 
-    let queue_handle = WorkerConfig::new(
-        MetricsStorage::wrap(Storage::new(TokioTimer)),
-        move |queue_handle| {
+    let queue_handle = WorkerConfig::new(storage, move |queue_handle| {
         JobState::new(
             state.clone(),
             actors.clone(),
@@ -58,8 +61,7 @@ pub(crate) fn create_workers(
             media.clone(),
             config.clone(),
         )
-        },
-    )
+    })
     .register::<Deliver>()
     .register::<DeliverMany>()
     .register::<QueryNodeinfo>()

src/main.rs

@@ -321,9 +321,15 @@ async fn server_main(
     let sign_spawner2 = sign_spawner.clone();
     let verify_spawner2 = verify_spawner.clone();
     let config2 = config.clone();
+    let job_store = jobs::build_storage();
     let server = HttpServer::new(move || {
-        let job_server =
-            create_workers(state.clone(), actors.clone(), media.clone(), config.clone())
+        let job_server = create_workers(
+            job_store.clone(),
+            state.clone(),
+            actors.clone(),
+            media.clone(),
+            config.clone(),
+        )
         .expect("Failed to create job server");
 
         let app = App::new()