yulei0824 commented on a change in pull request #16645:
URL: https://github.com/apache/flink/pull/16645#discussion_r681400856
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File path:
flink-metrics/flink-metrics-influxdb/src/main/java/org/apache/flink/metrics/influxdb/MeasurementInfoProvider.java
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@@ -49,10 +50,13 @@ public MeasurementInfo getMetricInfo(String metricName,
MetricGroup group) {
private static Map<String, String> getTags(MetricGroup group) {
// Keys are surrounded by brackets: remove them, transforming "<name>"
to "name".
- Map<String, String> tags = new HashMap<>();
- for (Map.Entry<String, String> variable :
group.getAllVariables().entrySet()) {
+ Map<String, String> variables = group.getAllVariables();
+ Map<String, String> tags = new HashMap<>(variables.size() * 4 / 3 + 1);
+ for (Map.Entry<String, String> variable : variables.entrySet()) {
Review comment:
ok
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