Increase JOB_KILL_TIMEOUT from 60 to 300 seconds to permit for writing large

core file.

src/slurmctld/slurmctld.h

@@ -86,8 +86,8 @@
 #define	PERIODIC_TIMEOUT	60
 
 /* Release a job's allocation if it does not terminate gracefully in
- * JOB_KILL_TIMEOUT seconds */
-#define	JOB_KILL_TIMEOUT	60
+ * JOB_KILL_TIMEOUT seconds, leave time for large core file write */
+#define	JOB_KILL_TIMEOUT	300
 
 /* Pathname of group file record for checking update times */
 #define GROUP_FILE	"/etc/group"