perf: Add debouncing to Redis metrics collection

agentex/src/adapters/streams/adapter_redis.py

@@ -1,5 +1,6 @@
 import asyncio
 import json
+import time
 from collections.abc import AsyncIterator
 from typing import Annotated, Any
 
@@ -12,6 +13,9 @@
 
 logger = make_logger(__name__)
 
+# Debounce interval for Redis metrics collection (seconds)
+_METRICS_DEBOUNCE_INTERVAL = 30
+
 
 class RedisStreamRepository(StreamRepository):
     def __init__(
@@ -31,6 +35,7 @@ def __init__(
                 environment_variables.REDIS_URL, decode_responses=False
             )
         self.environment_variables = environment_variables
+        self._last_metrics_time: float = 0.0  # For debouncing metrics collection
 
     async def send_data(self, topic: str, data: dict[str, Any]) -> str:
         """
@@ -55,14 +60,23 @@ async def send_data(self, topic: str, data: dict[str, Any]) -> str:
                 name=topic,
                 fields={"data": data_json},
             )
-            await self.send_redis_connection_metrics()
             return message_id
         except Exception as e:
             logger.error(f"Error publishing data to Redis stream {topic}: {e}")
             raise
 
     async def send_redis_connection_metrics(self):
+        """
+        Send Redis connection metrics to Datadog with debouncing.
+        Only collects metrics if at least _METRICS_DEBOUNCE_INTERVAL seconds
+        have passed since the last collection to avoid overhead on hot paths.
+        """
+        now = time.monotonic()
+        if now - self._last_metrics_time < _METRICS_DEBOUNCE_INTERVAL:
+            return  # Skip if we recently sent metrics
+
         try:
+            self._last_metrics_time = now
             info = await self.redis.info()
             env_value = self.environment_variables.ENVIRONMENT
             tags = [f"env:{env_value}"]