Github user kl0u commented on a diff in the pull request:

    https://github.com/apache/flink/pull/4901#discussion_r147655793
  
    --- Diff: 
flink-runtime/src/main/java/org/apache/flink/runtime/rest/handler/legacy/metrics/AbstractMetricsHandler.java
 ---
    @@ -39,12 +39,15 @@
      * <p>If the query parameters do not contain a "get" parameter the list of 
all metrics is returned.
      * {@code [ { "id" : "X" } ] }
      *
    - * <p>If the query parameters do contain a "get" parameter a 
comma-separate list of metric names is expected as a value.
    - * {@code /get?X,Y}
    + * <p>If the query parameters do contain a "get" parameter, a 
comma-separated list of metric names is expected as a value.
    + * {@code /metrics?get=X,Y}
      * The handler will then return a list containing the values of the 
requested metrics.
      * {@code [ { "id" : "X", "value" : "S" }, { "id" : "Y", "value" : "T" } ] 
}
      */
     public abstract class AbstractMetricsHandler extends 
AbstractJsonRequestHandler {
    +
    --- End diff --
    
    Why not putting all these (`PARAMETER_METRICS`, `PARAMETER_AGGREGATION`, 
`SUBTASK_METRICS_REST_PATH` even `"/jobs/metrics"`, etc) in a 
`MetricsURLConstants` class (or sth like this) so that there is a central place 
for all? This could help maintenance.


---

Reply via email to