fix: rename READY deadline to CLUSTER deadline ENV (#10535)

docs/metrics/README.md

@@ -4,10 +4,10 @@ MinIO server exposes monitoring data over endpoints. Monitoring tools can pick t
 
 ### Healthcheck Probe
 
-MinIO server has two healthcheck related un-authenticated endpoints, a liveness probe to indicate if server is working fine and a readiness probe to indicate if server is not accepting connections due to heavy load.
+MinIO server has two healthcheck related un-authenticated endpoints, a liveness probe to indicate if server is responding, cluster probe to check if server can be taken down for maintenance.
 
 - Liveness probe available at `/minio/health/live`
-- Readiness probe available at `/minio/health/ready`
+- Cluster probe available at `/minio/health/cluster`
 
 Read more on how to use these endpoints in [MinIO healthcheck guide](https://github.com/minio/minio/blob/master/docs/metrics/healthcheck/README.md).
 

docs/metrics/healthcheck/README.md

@@ -1,6 +1,6 @@
 ## MinIO Healthcheck
 
-MinIO server exposes three un-authenticated, healthcheck endpoints liveness probe, readiness probe and a cluster probe at `/minio/health/live`, `/minio/health/ready` and `/minio/health/cluster` respectively.
+MinIO server exposes three un-authenticated, healthcheck endpoints liveness probe and a cluster probe at `/minio/health/live`, `/minio/health/ready` and `/minio/health/cluster` respectively.
 
 ### Liveness probe
 
@@ -12,31 +12,13 @@ This probe always responds with '200 OK'. When liveness probe fails, Kubernetes
               path: /minio/health/live
               port: 9000
               scheme: HTTP
-            initialDelaySeconds: 3
-            periodSeconds: 1
-            timeoutSeconds: 1
+            initialDelaySeconds: 120
+            periodSeconds: 15
+            timeoutSeconds: 10
             successThreshold: 1
             failureThreshold: 3
 ```
 
-### Readiness probe
-
-This probe always responds with '200 OK'. When readiness probe fails, Kubernetes like platforms *do not* forward traffic to a pod.
-
-```
-          readinessProbe:
-            httpGet:
-              path: /minio/health/ready
-              port: 9000
-              scheme: HTTP
-            initialDelaySeconds: 3
-            periodSeconds: 1
-            timeoutSeconds: 1
-            successThreshold: 1
-            failureThreshold: 3
-
-```
-
 ### Cluster probe
 This probe is not useful in almost all cases, this is meant for administrators to see if quorum is available in any given cluster. The reply is '200 OK' if cluster has quorum if not it returns '503 Service Unavailable'.
 
@@ -49,6 +31,7 @@ Content-Security-Policy: block-all-mixed-content
 Server: MinIO/GOGET.GOGET
 Vary: Origin
 X-Amz-Bucket-Region: us-east-1
+X-Minio-Write-Quorum: 3
 X-Amz-Request-Id: 16239D6AB80EBECF
 X-Xss-Protection: 1; mode=block
 Date: Tue, 21 Jul 2020 00:36:14 GMT
@@ -68,5 +51,6 @@ Vary: Origin
 X-Amz-Bucket-Region: us-east-1
 X-Amz-Request-Id: 16239D63820C6E76
 X-Xss-Protection: 1; mode=block
+X-Minio-Write-Quorum: 3
 Date: Tue, 21 Jul 2020 00:35:43 GMT
 ```