Reduce log output

binaries/daemon/src/listener/mod.rs

@@ -184,7 +184,7 @@ where
             {
                 Ok(Some(m)) => m,
                 Ok(None) => {
-                    tracing::info!(
+                    tracing::debug!(
                         "channel disconnected: {}/{}",
                         self.dataflow_id,
                         self.node_id

examples/rust-dataflow/run.rs

@@ -1,5 +1,7 @@
 use eyre::{bail, Context};
 use std::path::Path;
+use tracing::metadata::LevelFilter;
+use tracing_subscriber::Layer;
 
 #[tokio::main]
 async fn main() -> eyre::Result<()> {
@@ -32,7 +34,9 @@ async fn build_dataflow(dataflow: &Path) -> eyre::Result<()> {
 fn set_up_tracing() -> eyre::Result<()> {
     use tracing_subscriber::prelude::__tracing_subscriber_SubscriberExt;
 
-    let stdout_log = tracing_subscriber::fmt::layer().pretty();
+    let stdout_log = tracing_subscriber::fmt::layer()
+        .pretty()
+        .with_filter(LevelFilter::DEBUG);
     let subscriber = tracing_subscriber::Registry::default().with(stdout_log);
     tracing::subscriber::set_global_default(subscriber)
         .context("failed to set tracing global subscriber")