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https://issues.apache.org/jira/browse/FLINK-4564?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15529783#comment-15529783
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ASF GitHub Bot commented on FLINK-4564:
---------------------------------------
Github user ex00 commented on a diff in the pull request:
https://github.com/apache/flink/pull/2517#discussion_r80927679
--- Diff:
flink-runtime/src/main/java/org/apache/flink/runtime/metrics/MetricRegistry.java
---
@@ -216,17 +244,20 @@ public ScopeFormats getScopeFormats() {
* @param metricName the name of the metric
* @param group the group that contains the metric
*/
- public void register(Metric metric, String metricName, MetricGroup
group) {
+ public void register(Metric metric, String metricName,
AbstractMetricGroup group) {
try {
if (reporters != null) {
- for (MetricReporter reporter : reporters) {
+ for (int i = 0; i < reporters.size(); i++) {
+ MetricReporter reporter =
reporters.get(i);
if (reporter != null) {
-
reporter.notifyOfAddedMetric(metric, metricName, group);
+ FrontMetricGroup front = new
FrontMetricGroup(i);
+ front.setReference(group);
--- End diff --
If we need use `FrontMetricGroup` also for `unregister()`, do I need return
list of `FrontMetricGroup` ? and we will avoid for `register()`
>we will now create a new object every time we add a new metric.
in this case
> [metrics] Delimiter should be configured per reporter
> -----------------------------------------------------
>
> Key: FLINK-4564
> URL: https://issues.apache.org/jira/browse/FLINK-4564
> Project: Flink
> Issue Type: Bug
> Components: Metrics
> Affects Versions: 1.1.0
> Reporter: Chesnay Schepler
> Assignee: Anton Mushin
>
> Currently, the delimiter used or the scope string is based on a configuration
> setting shared by all reporters. However, different reporters may have
> different requirements in regards to the delimiter, as such we should allow
> reporters to use a different delimiter.
> We can keep the current setting as a global setting that is used if no
> specific setting was set.
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