Change the default mode for client side restarts to fail from delay

nomad/structs/structs.go

@@ -2514,13 +2514,13 @@ var (
 		Delay:    15 * time.Second,
 		Attempts: 2,
 		Interval: 1 * time.Minute,
-		Mode:     RestartPolicyModeDelay,
+		Mode:     RestartPolicyModeFail,
 	}
 	defaultBatchJobRestartPolicy = RestartPolicy{
 		Delay:    15 * time.Second,
 		Attempts: 15,
 		Interval: 7 * 24 * time.Hour,
-		Mode:     RestartPolicyModeDelay,
+		Mode:     RestartPolicyModeFail,
 	}
 )
 

website/source/docs/job-specification/restart.html.md

@@ -17,7 +17,8 @@ description: |-
   </tr>
 </table>
 
-The `restart` stanza configures a group's behavior on task failure.
+The `restart` stanza configures a group's behavior on task failure. Restarts
+happen on the client that is running the task.
 
 ```hcl
 job "docs" {
@@ -62,7 +63,7 @@ defaults by job type:
       attempts = 15
       delay    = "15s"
       interval = "168h"
-      mode     = "delay"
+      mode     = "fail"
     }
     ```
 
@@ -73,7 +74,7 @@ defaults by job type:
       interval = "1m"
       attempts = 2
       delay    = "15s"
-      mode     = "delay"
+      mode     = "fail"
     }
     ```