embed async profiler to help user generate flame graph for frontend

bin/profile_fe.sh

@@ -0,0 +1,63 @@
+#!/usr/bin/env bash
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+curdir="$(cd "$(dirname "${BASH_SOURCE[0]}")" &>/dev/null && pwd)"
+
+DORIS_HOME="$(
+    cd "${curdir}/.."
+    pwd
+)"
+export DORIS_HOME
+echo "DORIS_HOME: ${DORIS_HOME}"
+
+if [[ -z "${JAVA_HOME}" ]]; then
+    if ! command -v java &>/dev/null; then
+        JAVA=""
+    else
+        JAVA="$(command -v java)"
+    fi
+else
+    JAVA="${JAVA_HOME}/bin/java"
+fi
+echo "JAVA: ${JAVA}"
+
+if [[ ! -x "${JAVA}" ]]; then
+    echo "The JAVA_HOME environment variable is not set correctly"
+    echo "This environment variable is required to run this program"
+    echo "Note: JAVA_HOME should point to a JDK and not a JRE"
+    echo "You can set JAVA_HOME in the fe.conf configuration file"
+    exit 1
+fi
+
+FE_PID=`jps | grep DorisFE | awk '{print $1}'`
+if [[ -z "$FE_PID" ]]; then
+  echo "DorisFe not started"
+  exit 1
+fi
+echo "DorisFE pid: $FE_PID"
+
+mkdir -p "${DORIS_HOME}/log"
+NOW=`date +'%Y%m%d%H%M%S'`
+PROFILE_OUTPUT="${DORIS_HOME}/log/profile_${NOW}.html"
+if [[ -z "${PROFILE_SECONDS}" ]]; then
+    PROFILE_SECONDS="10"
+fi
+
+echo "Begin profiling ${PROFILE_SECONDS} seconds and generate flame graph to ${PROFILE_OUTPUT}..."
+${JAVA} -jar "${DORIS_HOME}"/lib/ap-loader-all-*.jar profiler -a -n -l -i 200us -d "${PROFILE_SECONDS}" -f "${PROFILE_OUTPUT}" "${FE_PID}"
+echo "Generated flame graph to ${PROFILE_OUTPUT}"

fe/fe-core/pom.xml

@@ -783,6 +783,11 @@ under the License.
             <groupId>io.airlift</groupId>
             <artifactId>concurrent</artifactId>
         </dependency>
+        <dependency>
+            <groupId>me.bechberger</groupId>
+            <artifactId>ap-loader-all</artifactId>
+            <version>3.0-8</version>
+        </dependency>
     </dependencies>
     <repositories>
         <!-- for huawei obs sdk -->