dombizita commented on code in PR #3677:
URL: https://github.com/apache/ozone/pull/3677#discussion_r948070379
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hadoop-ozone/recon/src/main/java/org/apache/hadoop/ozone/recon/api/PipelineEndpoint.java:
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@@ -130,25 +130,55 @@ public Response getPipelines() {
return Response.ok(pipelinesResponse).build();
}
- private Optional<Long> getMetricValue(String metricName, String groupId) {
+ private Long getElectionCountMetricValue(String groupId) {
+ Long electionCount = 0L;
String metricsQuery = String.format(
- "query=%s{group=\"%s\"}", metricName, groupId);
+ "query=ratis_leader_election_electionCount{group=\"%s\"}",
groupId);
try {
List<Metric> metrics = metricsServiceProvider.getMetricsInstant(
- metricsQuery);
+ metricsQuery);
+ if (!metrics.isEmpty()) {
+ for (Metric m : metrics) {
+ TreeMap<Double, Double> values = (TreeMap<Double, Double>)
+ m.getValues();
+ if (!values.isEmpty()) {
+ electionCount += Optional.of(values.firstEntry().getValue()
+ .longValue()).orElse(0L);
Review Comment:
As we discussed offline, the optional is unnecessary as I am checking if the
values is empty one line above. With this way there will always be a first
entry and also its value. I updated my patch based on this.
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