mlbiscoc commented on code in PR #3379:
URL: https://github.com/apache/solr/pull/3379#discussion_r2114832472
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solr/core/src/java/org/apache/solr/core/CoreContainer.java:
##########
@@ -423,6 +433,11 @@ public CoreContainer(NodeConfig config, CoresLocator
locator, boolean asyncSolrC
this.solrHome = config.getSolrHome();
this.solrCores = SolrCores.newSolrCores(this);
this.nodeKeyPair = new SolrNodeKeyPair(cfg.getCloudConfig());
+ this.prometheusMetricReader = new PrometheusMetricReader(true, null);
+ initializeOpenTelemetrySdk();
+ this.tracer = TraceUtils.getGlobalTracer();
+ this.meterProvider = MetricUtils.getMeterProvider();
Review Comment:
This was initially done with `TracerConfigurator.loadTracer` inside of
`loadInternal` Moved it up to be called earlier.
##########
solr/core/src/java/org/apache/solr/core/OpenTelemetryConfigurator.java:
##########
@@ -46,26 +50,53 @@ public abstract class TracerConfigurator implements
NamedListInitializedPlugin {
private static final Logger log =
LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
- public static Tracer loadTracer(SolrResourceLoader loader, PluginInfo info) {
- if (info != null && info.isEnabled()) {
- TracerConfigurator configurator =
- loader.newInstance(info.className, TracerConfigurator.class);
- configurator.init(info.initArgs);
- ExecutorUtil.addThreadLocalProvider(new ContextThreadLocalProvider());
- return configurator.getTracer();
- }
- if (shouldAutoConfigOTEL()) {
- return autoConfigOTEL(loader);
- }
+ private static volatile boolean loaded = false;
+
+ public static synchronized void configureOpenTelemetrySdk(
+ SdkMeterProvider sdkMeterProvider, SdkTracerProvider sdkTracerProvider) {
+ if (loaded) return;
Review Comment:
Its a bit annoying Open Telemetry doesn't have a method to call if the
`GlobalOpenTelemetry` was already set. So I understand why this boolean loaded
existed on `SimplePropagator` now.
##########
solr/core/src/java/org/apache/solr/util/tracing/SimplePropagator.java:
##########
@@ -54,19 +50,6 @@ public class SimplePropagator implements TextMapPropagator {
private static final AtomicLong traceCounter = new AtomicLong(0);
- private static volatile boolean loaded = false;
-
- public static synchronized Tracer load() {
- if (!loaded) {
- log.info("OpenTelemetry tracer enabled with simple propagation only.");
- OpenTelemetry otel =
-
OpenTelemetry.propagating(ContextPropagators.create(SimplePropagator.getInstance()));
- GlobalOpenTelemetry.set(otel);
- loaded = true;
- }
- return TraceUtils.getGlobalTracer();
- }
Review Comment:
This basically moved into the new `OpenTelemetryConfigurator`
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