fix getServerInfo Missing field & data accuracy error (#1516)

Author: xwh1108

adminapi/src/main/java/io/minio/admin/messages/info/DiskMetrics.java

@@ -34,6 +34,20 @@ public class DiskMetrics {
   @JsonProperty("apiCalls")
   private Map<String, String> apiCalls;
 
+  @JsonProperty("totalErrorsAvailability")
+  private Integer totalErrorsAvailability;
+
+  @JsonProperty("totalErrorsTimeout")
+  private Integer totalErrorsTimeout;
+
+  public Integer totalErrorsAvailability() {
+    return totalErrorsAvailability;
+  }
+
+  public Integer totalErrorsTimeout() {
+    return totalErrorsTimeout;
+  }
+
   public Map<String, TimedAction> lastMinute() {
     return Collections.unmodifiableMap(lastMinute);
   }

adminapi/src/main/java/io/minio/admin/messages/info/GCStats.java

@@ -37,7 +37,7 @@ public class GCStats {
   private Integer numGC;
 
   @JsonProperty("pause_total")
-  private Integer pauseTotal;
+  private Long pauseTotal;
 
   @JsonProperty("pause")
   private List<Integer> pause;
@@ -53,7 +53,7 @@ public Integer numGC() {
     return numGC;
   }
 
-  public Integer pauseTotal() {
+  public Long pauseTotal() {
     return pauseTotal;
   }
 

adminapi/src/main/java/io/minio/admin/messages/info/Usage.java

@@ -29,12 +29,12 @@
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class Usage {
   @JsonProperty("size")
-  private Integer size;
+  private Long size;
 
   @JsonProperty("error")
   private String error;
 
-  public Integer size() {
+  public Long size() {
     return size;
   }