optimize request URL encoding for internode (#10811)

this reduces allocations in order of magnitude

Also, revert "erasure: delete dangling objects automatically (#10765)" 
affects list caching should be investigated.

cmd/api-headers.go

@@ -115,10 +115,11 @@ func setObjectHeaders(w http.ResponseWriter, objInfo ObjectInfo, rs *HTTPRangeSp
 	}
 
 	// Set tag count if object has tags
-	tags, _ := url.ParseQuery(objInfo.UserTags)
+	if len(objInfo.UserTags) > 0 {
-	tagCount := len(tags)
+		tags, _ := url.ParseQuery(objInfo.UserTags)
-	if tagCount > 0 {
+		if len(tags) > 0 {
-		w.Header()[xhttp.AmzTagCount] = []string{strconv.Itoa(tagCount)}
+			w.Header()[xhttp.AmzTagCount] = []string{strconv.Itoa(len(tags))}
+		}
 	}
 
 	// Set all other user defined metadata.

cmd/erasure-object.go

@@ -360,28 +360,10 @@ func (er erasureObjects) getObjectFileInfo(ctx context.Context, bucket, object s
 
 	readQuorum, _, err := objectQuorumFromMeta(ctx, er, metaArr, errs)
 	if err != nil {
-		readQuorum = len(metaArr) / 2
+		return fi, nil, nil, err
 	}
 
 	if reducedErr := reduceReadQuorumErrs(ctx, errs, objectOpIgnoredErrs, readQuorum); reducedErr != nil {
-		if reducedErr == errErasureReadQuorum {
-			if _, ok := isObjectDangling(metaArr, errs, nil); ok {
-				reducedErr = errFileNotFound
-				if opts.VersionID != "" {
-					reducedErr = errFileVersionNotFound
-				}
-				// Remove the dangling object only when:
-				//  - This is a non versioned bucket
-				//  - This is a versioned bucket and the version ID is passed, the reason
-				//    is that it is hard to pick that particular version that is dangling
-				if !opts.Versioned || opts.VersionID != "" {
-					er.deleteObjectVersion(ctx, bucket, object, 1, FileInfo{
-						Name:      object,
-						VersionID: opts.VersionID,
-					})
-				}
-			}
-		}
 		return fi, nil, nil, toObjectErr(reducedErr, bucket, object)
 	}
 

cmd/rest/client.go

@@ -109,7 +109,7 @@ func (c *Client) Call(ctx context.Context, method string, values url.Values, bod
 	if err != nil {
 		return nil, &NetworkError{err}
 	}
-	req.Header.Set("Authorization", "Bearer "+c.newAuthToken(req.URL.Query().Encode()))
+	req.Header.Set("Authorization", "Bearer "+c.newAuthToken(req.URL.RawQuery))
 	req.Header.Set("X-Minio-Time", time.Now().UTC().Format(time.RFC3339))
 	if length > 0 {
 		req.ContentLength = length

cmd/storage-rest-server.go

@@ -81,7 +81,7 @@ func storageServerRequestValidate(r *http.Request) error {
 		return errAuthentication
 	}
 
-	if claims.Audience != r.URL.Query().Encode() {
+	if claims.Audience != r.URL.RawQuery {
 		return errAuthentication
 	}