[skip ci] Fix mishards error shen k8s find node fail (#4474)

Signed-off-by: yinghao.zou <yinghao.zou@zilliz.com>

shards/discovery/plugins/kubernetes_provider.py

@@ -14,6 +14,7 @@ import enum
 from functools import partial
 from collections import defaultdict
 from kubernetes import client, config as kconfig, watch
+from mishards.exceptions import ConnectionConnectError
 from mishards.topology import StatusType
 
 logger = logging.getLogger(__name__)
@@ -325,7 +326,7 @@ class KubernetesProvider(object):
                 status, pool = group.create(name=name, uri=uri)
         except ConnectionConnectError as exc:
             ok = False
-            logger.error('Connection error to: {}'.format(addr))
+            logger.error('Connection error to: POD {} with IP {}'.format(name, ip))
 
         # if ok and status == StatusType.OK:
         #     logger.info('KubernetesProvider Add Group \"{}\" Of 1 Address: {}'.format(name, uri))

shards/mishards/service_handler.py

@@ -134,7 +134,8 @@ class ServiceHandler(milvus_pb2_grpc.MilvusServiceServicer):
                 futures = []
                 for addr, files_tuple in routing.items():
                     search_file_ids, ud_file_ids = files_tuple
-                    logger.info(f"<{addr}> needed update segment ids {ud_file_ids}")
+                    if ud_file_ids:
+                        logger.debug(f"<{addr}> needed update segment ids {ud_file_ids}")
                     conn = self.router.query_conn(addr, metadata=metadata)
                     start = time.time()
                     ud_file_ids and conn.reload_segments(collection_id, ud_file_ids)