Increase broadcast channel sizes

aquadoggo/src/graphql/schema.rs

@@ -141,7 +141,7 @@ impl GraphQLSchemaManager {
         let shared = self.shared.clone();
         let schemas = self.schemas.clone();
 
-        info!("Subscribing Graphql manager to schema provider");
+        info!("Subscribing GraphQL manager to schema provider");
         let mut on_schema_added = shared.schema_provider.on_schema_added();
 
         // Create the new GraphQL based on the current state of known p2panda application schemas

aquadoggo/src/manager.rs

@@ -140,7 +140,7 @@ where
     /// which get broadcasted across all services.
     pub fn new(capacity: usize, context: D) -> Self {
         let (tx, _) = broadcast::channel(capacity);
-        let (shutdown_signal, _) = broadcast::channel(120);
+        let (shutdown_signal, _) = broadcast::channel(128);
         let (exit_signal, exit_handle) = triggered::trigger();
 
         Self {

aquadoggo/src/materializer/service.rs

@@ -16,7 +16,7 @@ use crate::materializer::TaskInput;
 ///
 /// This gives an upper bound to maximum status messages and incoming tasks being moved into worker
 /// queues the channels can handle at once.
-const CHANNEL_CAPACITY: usize = 1024;
+const CHANNEL_CAPACITY: usize = 512_000;
 
 /// The materializer service waits for incoming new operations to transform them into actual useful
 /// application- and system data, like document views or schemas.

aquadoggo/src/node.rs

@@ -14,6 +14,9 @@ use crate::materializer::materializer_service;
 use crate::replication::replication_service;
 use crate::schema::SchemaProvider;
 
+/// Capacity of the internal broadcast channel used to communicate between services.
+const SERVICE_BUS_CAPACITY: usize = 512_000;
+
 /// Makes sure database is created and migrated before returning connection pool.
 async fn initialize_db(config: &Configuration) -> Result<Pool> {
     // Find SSL certificate locations on the system for OpenSSL for TLS
@@ -57,7 +60,8 @@ impl Node {
 
         // Create service manager with shared data between services.
         let context = Context::new(store, config, schemas);
-        let mut manager = ServiceManager::<Context, ServiceMessage>::new(1024, context);
+        let mut manager =
+            ServiceManager::<Context, ServiceMessage>::new(SERVICE_BUS_CAPACITY, context);
 
         // Start materializer service.
         if manager