diff --git a/crates/types/src/config/worker.rs b/crates/types/src/config/worker.rs
index 99c75f6d3..18c2240b2 100644
--- a/crates/types/src/config/worker.rs
+++ b/crates/types/src/config/worker.rs
@@ -179,7 +179,7 @@ pub struct InvokerOptions {
     ///
     /// Defines the threshold after which queues invocations will spill to disk at
     /// the path defined in `tmp-dir`. In other words, this is the number of invocations
-    /// that can be kept in memory before spilling to disk.
+    /// that can be kept in memory before spilling to disk. This is a per-partition limit.
     in_memory_queue_length_limit: NonZeroUsize,
 
     /// # Limit number of concurrent invocations from this node
@@ -223,7 +223,7 @@ impl Default for InvokerOptions {
                 None,
                 Some(Duration::from_secs(10)),
             ),
-            in_memory_queue_length_limit: NonZeroUsize::new(1_056_784).unwrap(),
+            in_memory_queue_length_limit: NonZeroUsize::new(66_049).unwrap(),
             inactivity_timeout: Duration::from_secs(60).into(),
             abort_timeout: Duration::from_secs(60).into(),
             message_size_warning: NonZeroUsize::new(10_000_000).unwrap(), // 10MB