[Enhancement][Cherry-Pick] Add logs for slow interfaces (#34021)

Signed-off-by: Astralidea <[email protected]>

fe/fe-core/src/main/java/com/starrocks/common/Config.java

@@ -569,6 +569,12 @@ public class Config extends ConfigBase {
     @ConfField
     public static int http_max_chunk_size = 8192;
 
+    /**
+     * If a request takes longer than the configured time, a log will be generated to trace it.
+     */
+    @ConfField(mutable = true)
+    public static int http_slow_request_threshold_ms = 5000;
+
     /**
      * When obtaining hardware information, some sensitive commands will be executed indirectly through
      * the oshi library, such as: getent passwd

fe/fe-core/src/main/java/com/starrocks/http/rest/RestBaseAction.java

@@ -35,6 +35,7 @@
 package com.starrocks.http.rest;
 
 import com.fasterxml.jackson.databind.ObjectMapper;
+import com.starrocks.common.Config;
 import com.starrocks.common.DdlException;
 import com.starrocks.common.Pair;
 import com.starrocks.common.util.UUIDUtil;
@@ -68,6 +69,7 @@ public RestBaseAction(ActionController controller) {
     @Override
     public void handleRequest(BaseRequest request) throws Exception {
         LOG.info("receive http request. url={}", request.getRequest().uri());
+        long startTime = System.currentTimeMillis();
         BaseResponse response = new BaseResponse();
         try {
             execute(request, response);
@@ -81,6 +83,12 @@ public void handleRequest(BaseRequest request) throws Exception {
                 sendResult(request, response, new RestBaseResult(e.getMessage()));
             }
         }
+        long endTime = System.currentTimeMillis();
+        long elapsedTime = endTime - startTime;
+        if (elapsedTime > Config.http_slow_request_threshold_ms) {
+            LOG.warn("Execution uri={} time exceeded {} ms and took {} ms.", request.getRequest().uri(),
+                    Config.http_slow_request_threshold_ms, elapsedTime);
+        }
     }
 
     @Override