SOLR-17276: Prometheus Exporter: scrape metrics at fixed rate (#2442)

(cherry picked from commit 759b94f)
apache · Aug 3, 2024 · 5fc16da · 5fc16da
1 parent aff0d4d
commit 5fc16da
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diff --git a/solr/CHANGES.txt b/solr/CHANGES.txt
@@ -28,6 +28,8 @@ New Features
 
 * SOLR-10255: Add support for docValues to solr.BinaryField. (Alexey Serba via Mikhail Khludnev, David Smiley)
 
+* SOLR-17276: Prometheus Exporter: now scrapes metrics at a fixed rate instead of delay. (Rafał Harabień)
+
 Improvements
 ---------------------
 * SOLR-10808, SOLR-12963: The Solr schema version has been increased to 1.7.

diff --git a/...eus-exporter/src/java/org/apache/solr/prometheus/collector/SchedulerMetricsCollector.java b/...eus-exporter/src/java/org/apache/solr/prometheus/collector/SchedulerMetricsCollector.java
@@ -74,7 +74,7 @@ public SchedulerMetricsCollector(
   }
 
   public void start() {
-    scheduler.scheduleWithFixedDelay(this::collectMetrics, 0, duration, timeUnit);
+    scheduler.scheduleAtFixedRate(this::collectMetrics, 0, duration, timeUnit);
   }
 
   @SuppressWarnings("try")