Remove mapping for process.runtime.jvm.gc.duration (#213)

* Remove jvm.gc.duration mapping

* Update histogram test

* Add changelog

.chloggen/stanley.liu_remove-jvm-gc-duration.yaml

@@ -0,0 +1,16 @@
+# One of 'breaking', 'deprecation', 'new_component', 'enhancement', 'bug_fix'
+change_type: bug_fix
+
+# The name of the component (e.g. pkg/quantile)
+component: pkg/otlp/metrics
+
+# A brief description of the change. Surround your text with quotes ("") if it needs to start with a backtick (`).
+note: Removes runtime metric mapping for process.runtime.jvm.gc.duration -> jvm.gc.parnew.time
+
+# The PR related to this change
+issues: [213]
+
+# (Optional) One or more lines of additional information to render under the primary note.
+# These lines will be padded with 2 spaces and then inserted directly into the document.
+# Use pipe (|) for multiline entries.
+subtext:

pkg/otlp/metrics/metrics_translator_test.go

@@ -537,22 +537,22 @@ func TestMapHistogramRuntimeMetricHasMapping(t *testing.T) {
 	tr := newTranslator(t, zap.NewNop())
 	consumer := &mockFullConsumer{}
 
-	rmt, err := tr.MapMetrics(ctx, createTestHistogramMetric("process.runtime.jvm.gc.duration"), consumer)
+	rmt, err := tr.MapMetrics(ctx, createTestHistogramMetric("process.runtime.jvm.threads.count"), consumer)
 	if err != nil {
 		t.Fatal(err)
 	}
 	startTs := int(getProcessStartTime()) + 1
 	assert.ElementsMatch(t,
 		consumer.metrics,
 		[]metric{
-			newCountWithHost(newDims("process.runtime.jvm.gc.duration.count"), uint64(seconds(startTs+1)), 100, fallbackHostname),
-			newCountWithHost(newDims("process.runtime.jvm.gc.duration.sum"), uint64(seconds(startTs+1)), 0, fallbackHostname),
-			newGaugeWithHost(newDims("process.runtime.jvm.gc.duration.min"), uint64(seconds(startTs+1)), -100, fallbackHostname),
-			newGaugeWithHost(newDims("process.runtime.jvm.gc.duration.max"), uint64(seconds(startTs+1)), 100, fallbackHostname),
-			newCountWithHost(newDims("jvm.gc.parnew.time.count"), uint64(seconds(startTs+1)), 100, fallbackHostname),
-			newCountWithHost(newDims("jvm.gc.parnew.time.sum"), uint64(seconds(startTs+1)), 0, fallbackHostname),
-			newGaugeWithHost(newDims("jvm.gc.parnew.time.min"), uint64(seconds(startTs+1)), -100, fallbackHostname),
-			newGaugeWithHost(newDims("jvm.gc.parnew.time.max"), uint64(seconds(startTs+1)), 100, fallbackHostname),
+			newCountWithHost(newDims("process.runtime.jvm.threads.count.count"), uint64(seconds(startTs+1)), 100, fallbackHostname),
+			newCountWithHost(newDims("process.runtime.jvm.threads.count.sum"), uint64(seconds(startTs+1)), 0, fallbackHostname),
+			newGaugeWithHost(newDims("process.runtime.jvm.threads.count.min"), uint64(seconds(startTs+1)), -100, fallbackHostname),
+			newGaugeWithHost(newDims("process.runtime.jvm.threads.count.max"), uint64(seconds(startTs+1)), 100, fallbackHostname),
+			newCountWithHost(newDims("jvm.thread_count.count"), uint64(seconds(startTs+1)), 100, fallbackHostname),
+			newCountWithHost(newDims("jvm.thread_count.sum"), uint64(seconds(startTs+1)), 0, fallbackHostname),
+			newGaugeWithHost(newDims("jvm.thread_count.min"), uint64(seconds(startTs+1)), -100, fallbackHostname),
+			newGaugeWithHost(newDims("jvm.thread_count.max"), uint64(seconds(startTs+1)), 100, fallbackHostname),
 		},
 	)
 	assert.Equal(t, []string{"jvm"}, rmt.Languages)

pkg/otlp/metrics/runtime_metric_mappings.go

@@ -94,7 +94,6 @@ var javaRuntimeMetricsMappings = runtimeMetricMappingList{
 	"process.runtime.jvm.classes.current_loaded": {{mappedName: "jvm.loaded_classes"}},
 	"process.runtime.jvm.system.cpu.utilization": {{mappedName: "jvm.cpu_load.system"}},
 	"process.runtime.jvm.cpu.utilization":        {{mappedName: "jvm.cpu_load.process"}},
-	"process.runtime.jvm.gc.duration":            {{mappedName: "jvm.gc.parnew.time"}},
 	"process.runtime.jvm.memory.usage": {{
 		mappedName: "jvm.heap_memory",
 		attributes: []runtimeMetricAttribute{{