Warn if spawn rate is too high. Adresses #1174 for example.

locustio · Dec 30, 2019 · ca09a9b · ca09a9b
1 parent 6f946dc
commit ca09a9b
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/locust/runners.py b/locust/runners.py
@@ -355,6 +355,9 @@ def start_hatching(self, locust_count, hatch_rate):
 
         logger.info("Sending hatch jobs of %d locusts and %.2f hatch rate to %d ready clients" % (slave_num_clients, slave_hatch_rate, num_slaves))
 
+        if slave_hatch_rate > 100:
+            logger.warning("Your selected hatch rate is very high (>100/slave), and this is known to sometimes cause issues. Do you really need to ramp up that fast?")
+
         if self.state != STATE_RUNNING and self.state != STATE_HATCHING:
             self.stats.clear_all()
             self.exceptions = {}