increasing batch size (#318)

robusta_krr/core/integrations/prometheus/metrics_service/prometheus_metrics_service.py

@@ -1,5 +1,6 @@
 import asyncio
 import logging
+import os
 from concurrent.futures import ThreadPoolExecutor
 from datetime import datetime, timedelta
 from typing import Iterable, List, Optional, Dict, Any
@@ -314,7 +315,8 @@ async def load_pods(self, object: K8sObjectData, period: timedelta) -> list[PodD
             pod_owner_kind = object.kind
 
         related_pods_result = []
-        for owner_group in batched(pod_owners, 10):
+        batch_size = int(os.environ.get("KRR_OWNER_BATCH_SIZE", 100))
+        for owner_group in batched(pod_owners, batch_size):
             owners_regex = "|".join(owner_group)
             related_pods_result_item = await self.query(
                 f"""