pkg/tsdb/elasticsearch/client/client.go: use time.Since instead of time.Now().Sub

$ gometalinter --vendor --disable=all --enable=megacheck --deadline=10m ./...
pkg/tsdb/elasticsearch/client/client.go:147:13:warning: should use time.Since instead of time.Now().Sub (S1012) (megacheck)
pkg/tsdb/elasticsearch/client/client.go:190:14:warning: should use time.Since instead of time.Now().Sub (S1012) (megacheck)
pkg/tsdb/elasticsearch/client/client.go:218:13:warning: should use time.Since instead of time.Now().Sub (S1012) (megacheck)

pkg/tsdb/elasticsearch/client/client.go

@@ -144,7 +144,7 @@ func (c *baseClientImpl) encodeBatchRequests(requests []*multiRequest) ([]byte,
 		payload.WriteString(body + "\n")
 	}
 
-	elapsed := time.Now().Sub(start)
+	elapsed := time.Since(start)
 	clientLog.Debug("Encoded batch requests to json", "took", elapsed)
 
 	return payload.Bytes(), nil
@@ -187,7 +187,7 @@ func (c *baseClientImpl) executeRequest(method, uriPath string, body []byte) (*h
 
 	start := time.Now()
 	defer func() {
-		elapsed := time.Now().Sub(start)
+		elapsed := time.Since(start)
 		clientLog.Debug("Executed request", "took", elapsed)
 	}()
 	return ctxhttp.Do(c.ctx, httpClient, req)
@@ -215,7 +215,7 @@ func (c *baseClientImpl) ExecuteMultisearch(r *MultiSearchRequest) (*MultiSearch
 		return nil, err
 	}
 
-	elapsed := time.Now().Sub(start)
+	elapsed := time.Since(start)
 	clientLog.Debug("Decoded multisearch json response", "took", elapsed)
 
 	msr.Status = res.StatusCode