dsmiley commented on a change in pull request #115:
URL: https://github.com/apache/solr/pull/115#discussion_r638415040
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File path: solr/core/src/java/org/apache/solr/api/V2HttpCall.java
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@@ -360,6 +366,80 @@ protected void execute(SolrQueryResponse rsp) {
SolrCore.postDecorateResponse(handler, solrReq, rsp);
}
+ @Override
+ protected void populateTracingSpan(Span span) {
+ // Set db.instance
+ String coreOrColName = this.origCorename;
+ if (coreOrColName == null) {
+ Map<String, String> pathTemplateValues = getUrlParts(); // ==
solrReq.getPathTemplateValues()
+ coreOrColName = pathTemplateValues.get("collection");
+ if (coreOrColName == null) {
+ coreOrColName = pathTemplateValues.get("core");
+ }
+ }
+ if (coreOrColName != null) {
+ span.setTag(Tags.DB_INSTANCE, coreOrColName);
+ }
+
+ // Get the templatize-ed path
+ String path;
+ if (api instanceof AnnotatedApi) {
+ // ideal scenario; eventually everything might be AnnotatedApi?
+ path = ((AnnotatedApi) api).getEndPoint().path()[0]; // consider first
to be primary
+ } else {
+ path = computeEndpointPath();
+ // TODO consider getValidators, looking for command & path?
+ }
+
+ String verb = req.getMethod().toLowerCase(Locale.ROOT);
Review comment:
It's common in tracing (from my limited experience) to use lower-case,
so I'm trying to be consistent here. Also I very much disagree on the relative
cost of this compared to the limited cases where this is activated.
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