Removing event logs with repetitive attributes that is covered by a different event log.

java/client/src/org/openqa/selenium/remote/tracing/TracedHttpClient.java

@@ -53,18 +53,11 @@ public WebSocket openSocket(HttpRequest request, WebSocket.Listener listener) {
   @Override
   public HttpResponse execute(HttpRequest req) {
     try (Span span = newSpanAsChildOf(tracer, req, "httpclient.execute")) {
-      Map<String, EventAttributeValue> attributeMap = new HashMap<>();
-      attributeMap.put(AttributeKey.HTTP_CLIENT_CLASS.getKey(),
-                       EventAttribute.setValue(delegate.getClass().getName()));
-
       KIND.accept(span, Span.Kind.CLIENT);
       HTTP_REQUEST.accept(span, req);
-      HTTP_REQUEST_EVENT.accept(attributeMap, req);
       tracer.getPropagator().inject(span, req, (r, key, value) -> r.setHeader(key, value));
       HttpResponse response = delegate.execute(req);
       HTTP_RESPONSE.accept(span, response);
-      HTTP_RESPONSE_EVENT.accept(attributeMap, response);
-      span.addEvent("HTTP request received response", attributeMap);
       return response;
     }
   }

java/server/src/org/openqa/selenium/grid/distributor/Distributor.java

@@ -175,6 +175,7 @@ public CreateSessionResponse newSession(HttpRequest request)
 
       Iterator<Capabilities> iterator = payload.stream().iterator();
       attributeMap.put("request.payload", EventAttribute.setValue(payload.toString()));
+      span.addEvent("Session request received by the distributor", attributeMap);
 
       if (!iterator.hasNext()) {
         SessionNotCreatedException exception = new SessionNotCreatedException("No capabilities found");
@@ -239,7 +240,6 @@ public CreateSessionResponse newSession(HttpRequest request)
       span.setAttribute(AttributeKey.SESSION_URI.getKey(), sessionUri);
       attributeMap.put(AttributeKey.SESSION_URI.getKey(), EventAttribute.setValue(sessionUri));
 
-      span.addEvent("Session created by the distributor", attributeMap);
       return sessionResponse;
     } catch (SessionNotCreatedException e) {
       span.setAttribute("error", true);

java/server/src/org/openqa/selenium/grid/docker/DockerSessionFactory.java

@@ -126,7 +126,6 @@ public Optional<ActiveSession> apply(CreateSessionRequest sessionRequest) {
       LOG.info(String.format("Waiting for server to start (container id: %s)", container.getId()));
       try {
         waitForServerToStart(client, Duration.ofMinutes(1));
-        span.addEvent("Container started. Docker server ready.", attributeMap);
       } catch (TimeoutException e) {
         span.setAttribute("error", true);
         span.setStatus(Status.CANCELLED);
@@ -178,7 +177,7 @@ public Optional<ActiveSession> apply(CreateSessionRequest sessionRequest) {
       attributeMap.put(AttributeKey.DRIVER_RESPONSE.getKey(), EventAttribute.setValue(response.toString()));
 
       span.addEvent("Docker driver service created session", attributeMap);
-      LOG.info(String.format(
+      LOG.fine(String.format(
           "Created session: %s - %s (container id: %s)",
           id,
           capabilities,

java/server/src/org/openqa/selenium/grid/node/local/LocalNode.java

@@ -261,21 +261,13 @@ public Optional<CreateSessionResponse> newSession(CreateSessionRequest sessionRe
       Capabilities caps = session.getCapabilities();
       SESSION_ID.accept(span, sessionId);
       CAPABILITIES.accept(span, caps);
-      SESSION_ID_EVENT.accept(attributeMap, sessionId);
-      CAPABILITIES_EVENT.accept(attributeMap, caps);
       String downstream = session.getDownstreamDialect().toString();
       String upstream = session.getUpstreamDialect().toString();
       String sessionUri = session.getUri().toString();
       span.setAttribute(AttributeKey.DOWNSTREAM_DIALECT.getKey(), downstream);
       span.setAttribute(AttributeKey.UPSTREAM_DIALECT.getKey(), upstream);
       span.setAttribute(AttributeKey.SESSION_URI.getKey(), sessionUri);
 
-      attributeMap.put(AttributeKey.DOWNSTREAM_DIALECT.getKey(), EventAttribute.setValue(downstream));
-      attributeMap.put(AttributeKey.UPSTREAM_DIALECT.getKey(), EventAttribute.setValue(upstream));
-      attributeMap.put(AttributeKey.SESSION_URI.getKey(), EventAttribute.setValue(sessionUri));
-
-      span.addEvent("Session created by node", attributeMap);
-
       // The session we return has to look like it came from the node, since we might be dealing
       // with a webdriver implementation that only accepts connections from localhost
       Session externalSession = createExternalSession(session, externalUri);

java/server/src/org/openqa/selenium/grid/router/HandleSession.java

@@ -102,9 +102,7 @@ public HttpResponse execute(HttpRequest req) {
         HttpResponse res = knownSessions.get(id, loadSessionId(tracer, span, id)).execute(req);
 
         HTTP_RESPONSE.accept(span, res);
-        HTTP_RESPONSE_EVENT.accept(attributeMap, res);
 
-        span.addEvent("Session request execution complete", attributeMap);
         return res;
       } catch (ExecutionException e) {
         span.setAttribute("error", true);

java/server/src/org/openqa/selenium/grid/web/ReverseProxyHandler.java

@@ -70,13 +70,7 @@ public ReverseProxyHandler(Tracer tracer, HttpClient httpClient) {
   public HttpResponse execute(HttpRequest req) throws UncheckedIOException {
     try (Span span = newSpanAsChildOf(tracer, req, "reverse_proxy")) {
 
-      Map<String, EventAttributeValue> attributeMap = new HashMap<>();
-      attributeMap.put(AttributeKey.HTTP_HANDLER_CLASS.getKey(),
-                       EventAttribute.setValue(getClass().getName()));
-
-      KIND.accept(span, Span.Kind.SERVER);
       HTTP_REQUEST.accept(span, req);
-      HTTP_REQUEST_EVENT.accept(attributeMap, req);
 
       HttpRequest toUpstream = new HttpRequest(req.getMethod(), req.getUri());
 
@@ -102,15 +96,13 @@ public HttpResponse execute(HttpRequest req) throws UncheckedIOException {
       HttpResponse resp = upstream.execute(toUpstream);
 
       HTTP_RESPONSE.accept(span,resp);
-      HTTP_RESPONSE_EVENT.accept(attributeMap, resp);
 
       // clear response defaults.
       resp.removeHeader("Date");
       resp.removeHeader("Server");
 
       IGNORED_REQ_HEADERS.forEach(resp::removeHeader);
 
-      span.addEvent("HTTP request execution complete", attributeMap);
       return resp;
     }
   }