Merge pull request #2421 from ZhouBox/v2.9

[v2.9]increase the max group limit to 1024

Author: fengzeroz

include/neuron/define.h

@@ -34,7 +34,7 @@
 #define NEU_TAG_NAME_LEN 128
 #define NEU_TAG_ADDRESS_LEN 128
 #define NEU_TAG_DESCRIPTION_LEN 128
-#define NEU_GROUP_MAX_PER_NODE 512
+#define NEU_GROUP_MAX_PER_NODE 1024
 #define NEU_GROUP_NAME_LEN 128
 #define NEU_GROUP_INTERVAL_LIMIT 100
 #define NEU_DEFAULT_GROUP_INTERVAL 100

src/event/event_linux.c

@@ -66,7 +66,7 @@ struct event_data {
     bool  use;
 };
 
-#define EVENT_SIZE 1400
+#define EVENT_SIZE 2800
 
 struct neu_events {
     int       epoll_fd;

tests/ft/http_api/test_http_api.py

@@ -348,12 +348,16 @@ def test_put_drivers_with_invalid_group_interval(self):
 
     @description(given="running neuron", when="put drivers with too many groups", then="should fail")
     def test_put_drivers_with_too_many_groups(self):
+
         driver = {
             "name": driver_1["name"],
             "plugin": driver_1["plugin"],
             "params": driver_1["params"],
-            "groups": [{"group": "grp", "interval": 1000, "tags": []} for _ in range(1000)]
+            "groups": []
         }
+        for i in range(1025):
+            driver["groups"].append({"group": "grp" + str(i), "interval": 1000, "tags": []})
+
         response = api.put_drivers([driver])
         assert 400 == response.status_code
         assert error.NEU_ERR_GROUP_MAX_GROUPS == response.json()['error']