Github user squito commented on a diff in the pull request:
https://github.com/apache/spark/pull/22504#discussion_r226397391
--- Diff:
core/src/test/scala/org/apache/spark/util/logging/DriverLoggerSuite.scala ---
@@ -0,0 +1,83 @@
+/*
+ * 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.
+ */
+
+package org.apache.spark.util.logging
+
+import java.io.{BufferedInputStream, FileInputStream}
+
+import org.apache.commons.io.FileUtils
+
+import org.apache.spark._
+import org.apache.spark.{SparkContext, SparkFunSuite}
+import org.apache.spark.internal.config._
+import org.apache.spark.launcher.SparkLauncher
+import org.apache.spark.network.util.JavaUtils
+import org.apache.spark.util.Utils
+
+class DriverLoggerSuite extends SparkFunSuite with LocalSparkContext {
+
+ private val DRIVER_LOG_DIR_DEFAULT = "/tmp/hdfs_logs"
+
+ override def beforeAll(): Unit = {
+ FileUtils.forceMkdir(FileUtils.getFile(DRIVER_LOG_DIR_DEFAULT))
+ }
+
+ override def afterAll(): Unit = {
+ JavaUtils.deleteRecursively(FileUtils.getFile(DRIVER_LOG_DIR_DEFAULT))
+ }
+
+ test("driver logs are persisted locally and synced to hdfs") {
+ val sc = getSparkContext()
+
+ val app_id = sc.applicationId
+ // Run a simple spark application
+ sc.parallelize(1 to 1000).count()
+
+ // Assert driver log file exists
+ val rootDir = Utils.getLocalDir(sc.getConf)
+ val driverLogsDir = FileUtils.getFile(rootDir, "driver_logs")
+ assert(driverLogsDir.exists())
+ val files = driverLogsDir.listFiles()
+ assert(files.length === 1)
+ assert(files(0).getName.equals("driver.log"))
+
+ sc.stop()
+ // On application end, file is moved to Hdfs (which is a local dir for
this test)
--- End diff --
comment is a bit misleading (or maybe out of date) -- its synced
continuously, right?
---
---------------------------------------------------------------------
To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org
For additional commands, e-mail: reviews-h...@spark.apache.org
