Enable eventlog for micro-benchmark (#494)

Enable eventlog for micro-benchmark for debug

---------

Signed-off-by: Yanxuan Liu <[email protected]>

Author: YanxuanLiu

examples/SQL+DF-Examples/micro-benchmarks/notebooks/micro-benchmarks-gpu.ipynb

@@ -59,7 +59,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 3,
+   "execution_count": null,
    "id": "975717da",
    "metadata": {},
    "outputs": [
@@ -79,6 +79,7 @@
     "pinnedPoolSize = os.getenv(\"PINNED_POOL_SIZE\", \"8g\")\n",
     "concurrentGpuTasks = os.getenv(\"CONCURRENT_GPU_TASKS\", \"4\")\n",
     "executorCores = int(os.getenv(\"EXECUTOR_CORES\", \"16\"))\n",
+    "eventlogDir = \"file:\"+os.getenv(\"EVENTLOG_DIR\")\n",
     "gpuPerExecutor = 1/executorCores\n",
     "# Common spark settings\n",
     "conf = SparkConf()\n",
@@ -108,6 +109,8 @@
     "conf.set(\"spark.driver.extraClassPath\", RAPIDS_JAR)\n",
     "conf.set(\"spark.executor.extraClassPath\", RAPIDS_JAR)\n",
     "conf.set(\"spark.jars\", RAPIDS_JAR)\n",
+    "conf.set(\"spark.eventLog.enabled\", \"true\")\n",
+    "conf.set(\"spark.eventLog.dir\", eventlogDir)\n",
     "# Create spark session\n",
     "spark = SparkSession.builder.config(conf=conf).getOrCreate()\n",
     "# Load dataframe and create tempView\n",