failure-detection-max-tries

3

(optional) Specifies the maximum number of monitoring attempts before the GMS confirms that a failure is suspected in the group. 

failure-detection-timeout-in-millis

2000

(optional) Specifies the time between monitoring attempts. 

discovery-timeout-in-millis

2000

(optional) Specifies the time that the GMS waits for discovery of other members in the group. 

verify-failure-timeout-in-millis

1500

(optional) Specifies the timeout after which a suspected failure is marked as verified.