change `ReadPerf` into `ReadThroughput` in NetPerfInfo. (#8316)

Previously `ReadPerf` was in time.Duration is changed to `ReadThroughput` in uint64.

cmd/admin-handlers.go

@@ -335,7 +335,7 @@ type ServerMemUsageInfo struct {
 // ServerNetReadPerfInfo network read performance information.
 type ServerNetReadPerfInfo struct {
 	Addr           string `json:"addr"`
-	ReadPerf time.Duration `json:"readPerf"`
+	ReadThroughput uint64 `json:"readThroughput"`
 	Error          string `json:"error,omitempty"`
 }
 

cmd/peer-rest-server.go

@@ -106,9 +106,10 @@ func (s *peerRESTServer) NetReadPerfInfoHandler(w http.ResponseWriter, r *http.R
 		addr = GetLocalPeer(globalEndpoints)
 	}
 
+	d := end.Sub(start)
 	info := ServerNetReadPerfInfo{
 		Addr:           addr,
-		ReadPerf: end.Sub(start),
+		ReadThroughput: uint64(int64(time.Second) * size / int64(d)),
 	}
 
 	ctx := newContext(r, w, "NetReadPerfInfo")

pkg/madmin/README.md

@@ -281,10 +281,10 @@ Fetches Mem utilization for all cluster nodes.
 Fetches network performance of all cluster nodes using given sized payload. Returned value is a map containing each node indexed list of performance of other nodes.
 
 | Param            | Type      | Description                                                        |
-|------------|------------------|--------------------------------------------------------------------|
+|------------------|-----------|--------------------------------------------------------------------|
 | `Addr`           | _string_  | Address of the server the following information is retrieved from. |
 | `Error`          | _string_  | Errors (if any) encountered while reaching this node               |
-| `ReadPerf` | _time.Duration_  | Network read performance of the server                             |
+| `ReadThroughput` | _uint64_  | Network read throughput of the server in bytes per second          |
 
 ## 5. Heal operations
 

pkg/madmin/info-commands.go

@@ -306,7 +306,7 @@ func (adm *AdminClient) ServerMemUsageInfo() ([]ServerMemUsageInfo, error) {
 // NetPerfInfo network performance information.
 type NetPerfInfo struct {
 	Addr           string `json:"addr"`
-	ReadPerf time.Duration `json:"readPerf"`
+	ReadThroughput uint64 `json:"readThroughput"`
 	Error          string `json:"error,omitempty"`
 }