update nats config

Author: ayazabbas

src/utils.rs

@@ -9,11 +9,9 @@ pub async fn setup_jetstream(nats_client: &async_nats::Client) -> Result<jetstre
     let stream_config = stream::Config {
         name: "PYTH_PRICE_UPDATES".to_string(),
         subjects: vec!["pyth.price.updates".to_string()],
-        max_age: Duration::from_secs(300),
         max_bytes: 1024 * 1024 * 4000,
         duplicate_window: Duration::from_secs(60),
-        discard: stream::DiscardPolicy::New,
-        max_messages_per_subject: 100,
+        discard: stream::DiscardPolicy::Old,
         allow_direct: true,
         allow_rollup: true,
         ..Default::default()