getsentry/relay@6080886

Author: jan-auer

src/data/relay_metrics.json

@@ -1,4 +1,28 @@
 [
+  {
+    "type": "Histogram",
+    "name": "dynamic_sampling.change_duration",
+    "description": "Time in milliseconds from the start of transaction until the final name is determined.\n\nIf the transaction name changes multiple times, this records only the last instance. This\nmetric is not logged if there were no changes to the transaction name.\n\nThis metric is tagged with:\n\n- `source`: The transaction source value in the final event payload.\n- `platform`: The SDK platform value of the event payload.\n- `sdk_name`: The name of the client SDK as reported in the event payload.\n- `sdk_version`: The version of the client SDK as reported in the event payload.",
+    "features": []
+  },
+  {
+    "type": "Histogram",
+    "name": "dynamic_sampling.change_pct",
+    "description": "Timing relative to the transaction duration until the final name is determined.\n\nThis is a percentage between `0.0` and `1.0`.\n\nThis metric is tagged with:\n\n- `source`: The transaction source value in the final event payload.\n- `platform`: The SDK platform value of the event payload.\n- `sdk_name`: The name of the client SDK as reported in the event payload.\n- `sdk_version`: The version of the client SDK as reported in the event payload.",
+    "features": []
+  },
+  {
+    "type": "Histogram",
+    "name": "dynamic_sampling.changes",
+    "description": "Counts how often a transaction name was changed before submitting the final transaction.\n\nA value of `0` indicates that the transaction was created with the final transaction name.\nIn this case, the DSC will have the correct transaction name guaranteed. However, to\ndetermine how many traces had wrong transaction names propagated, check the\n`dynamic_sampling.propagations`.\n\nThis metric is tagged with:\n\n- `source`: The transaction source value in the final event payload.\n- `platform`: The SDK platform value of the event payload.\n- `sdk_name`: The name of the client SDK as reported in the event payload.\n- `sdk_version`: The version of the client SDK as reported in the event payload.",
+    "features": []
+  },
+  {
+    "type": "Histogram",
+    "name": "dynamic_sampling.propagations",
+    "description": "Counts the number of propagations before the final transaction name has been determined.\n\nA value of `0` indicates that the entire trace had identical transaction names in the\nDynamic Sampling Context (DSC). This means that the entire trace is sampled consistently.\n\nNote that this differs from `dynamic_sampling.changes`, which indicates changes even in the\nabsence of propagations.\n\nThis metric is tagged with:\n\n- `source`: The transaction source value in the final event payload.\n- `platform`: The SDK platform value of the event payload.\n- `sdk_name`: The name of the client SDK as reported in the event payload.\n- `sdk_version`: The version of the client SDK as reported in the event payload.",
+    "features": []
+  },
   {
     "type": "Counter",
     "name": "event.accepted",