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/*
* 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.ui.storage
import org.scalatest.BeforeAndAfter
import org.apache.spark.{SparkConf, SparkFunSuite, Success}
import org.apache.spark.executor.TaskMetrics
import org.apache.spark.scheduler._
import org.apache.spark.storage._
/**
* Test various functionality in the StorageListener that supports the StorageTab.
*/
class StorageTabSuite extends SparkFunSuite with BeforeAndAfter {
private var bus: LiveListenerBus = _
private var storageStatusListener: StorageStatusListener = _
private var storageListener: StorageListener = _
private val memAndDisk = StorageLevel.MEMORY_AND_DISK
private val memOnly = StorageLevel.MEMORY_ONLY
private val none = StorageLevel.NONE
private val taskInfo = new TaskInfo(0, 0, 0, 0, "big", "dog", TaskLocality.ANY, false)
private val taskInfo1 = new TaskInfo(1, 1, 1, 1, "big", "cat", TaskLocality.ANY, false)
private def rddInfo0 = new RDDInfo(0, "freedom", 100, memOnly, Seq(10))
private def rddInfo1 = new RDDInfo(1, "hostage", 200, memOnly, Seq(10))
private def rddInfo2 = new RDDInfo(2, "sanity", 300, memAndDisk, Seq(10))
private def rddInfo3 = new RDDInfo(3, "grace", 400, memAndDisk, Seq(10))
private val bm1 = BlockManagerId("big", "dog", 1)
before {
bus = new LiveListenerBus
storageStatusListener = new StorageStatusListener(new SparkConf())
storageListener = new StorageListener(storageStatusListener)
bus.addListener(storageStatusListener)
bus.addListener(storageListener)
}
test("stage submitted / completed") {
assert(storageListener._rddInfoMap.isEmpty)
assert(storageListener.rddInfoList.isEmpty)
// 2 RDDs are known, but none are cached
val stageInfo0 = new StageInfo(0, 0, "0", 100, Seq(rddInfo0, rddInfo1), Seq.empty, "details")
bus.postToAll(SparkListenerStageSubmitted(stageInfo0))
assert(storageListener._rddInfoMap.size === 2)
assert(storageListener.rddInfoList.isEmpty)
// 4 RDDs are known, but only 2 are cached
val rddInfo2Cached = rddInfo2
val rddInfo3Cached = rddInfo3
rddInfo2Cached.numCachedPartitions = 1
rddInfo3Cached.numCachedPartitions = 1
val stageInfo1 = new StageInfo(
1, 0, "0", 100, Seq(rddInfo2Cached, rddInfo3Cached), Seq.empty, "details")
bus.postToAll(SparkListenerStageSubmitted(stageInfo1))
assert(storageListener._rddInfoMap.size === 4)
assert(storageListener.rddInfoList.size === 2)
// Submitting RDDInfos with duplicate IDs does nothing
val rddInfo0Cached = new RDDInfo(0, "freedom", 100, StorageLevel.MEMORY_ONLY, Seq(10))
rddInfo0Cached.numCachedPartitions = 1
val stageInfo0Cached = new StageInfo(0, 0, "0", 100, Seq(rddInfo0), Seq.empty, "details")
bus.postToAll(SparkListenerStageSubmitted(stageInfo0Cached))
assert(storageListener._rddInfoMap.size === 4)
assert(storageListener.rddInfoList.size === 2)
// We only keep around the RDDs that are cached
bus.postToAll(SparkListenerStageCompleted(stageInfo0))
assert(storageListener._rddInfoMap.size === 2)
assert(storageListener.rddInfoList.size === 2)
}
test("unpersist") {
val rddInfo0Cached = rddInfo0
val rddInfo1Cached = rddInfo1
rddInfo0Cached.numCachedPartitions = 1
rddInfo1Cached.numCachedPartitions = 1
val stageInfo0 = new StageInfo(
0, 0, "0", 100, Seq(rddInfo0Cached, rddInfo1Cached), Seq.empty, "details")
bus.postToAll(SparkListenerStageSubmitted(stageInfo0))
assert(storageListener._rddInfoMap.size === 2)
assert(storageListener.rddInfoList.size === 2)
bus.postToAll(SparkListenerUnpersistRDD(0))
assert(storageListener._rddInfoMap.size === 1)
assert(storageListener.rddInfoList.size === 1)
bus.postToAll(SparkListenerUnpersistRDD(4)) // doesn't exist
assert(storageListener._rddInfoMap.size === 1)
assert(storageListener.rddInfoList.size === 1)
bus.postToAll(SparkListenerUnpersistRDD(1))
assert(storageListener._rddInfoMap.size === 0)
assert(storageListener.rddInfoList.size === 0)
}
test("task end") {
val myRddInfo0 = rddInfo0
val myRddInfo1 = rddInfo1
val myRddInfo2 = rddInfo2
val stageInfo0 = new StageInfo(
0, 0, "0", 100, Seq(myRddInfo0, myRddInfo1, myRddInfo2), Seq.empty, "details")
bus.postToAll(SparkListenerBlockManagerAdded(1L, bm1, 1000L))
bus.postToAll(SparkListenerStageSubmitted(stageInfo0))
assert(storageListener._rddInfoMap.size === 3)
assert(storageListener.rddInfoList.size === 0) // not cached
assert(!storageListener._rddInfoMap(0).isCached)
assert(!storageListener._rddInfoMap(1).isCached)
assert(!storageListener._rddInfoMap(2).isCached)
// Task end with no updated blocks. This should not change anything.
bus.postToAll(SparkListenerTaskEnd(0, 0, "obliteration", Success, taskInfo, new TaskMetrics))
assert(storageListener._rddInfoMap.size === 3)
assert(storageListener.rddInfoList.size === 0)
// Task end with a few new persisted blocks, some from the same RDD
val metrics1 = new TaskMetrics
metrics1.setUpdatedBlockStatuses(Seq(
(RDDBlockId(0, 100), BlockStatus(memAndDisk, 400L, 0L)),
(RDDBlockId(0, 101), BlockStatus(memAndDisk, 0L, 400L)),
(RDDBlockId(1, 20), BlockStatus(memAndDisk, 0L, 240L))
))
bus.postToAll(SparkListenerTaskEnd(1, 0, "obliteration", Success, taskInfo, metrics1))
assert(storageListener._rddInfoMap(0).memSize === 400L)
assert(storageListener._rddInfoMap(0).diskSize === 400L)
assert(storageListener._rddInfoMap(0).numCachedPartitions === 2)
assert(storageListener._rddInfoMap(0).isCached)
assert(storageListener._rddInfoMap(1).memSize === 0L)
assert(storageListener._rddInfoMap(1).diskSize === 240L)
assert(storageListener._rddInfoMap(1).numCachedPartitions === 1)
assert(storageListener._rddInfoMap(1).isCached)
assert(!storageListener._rddInfoMap(2).isCached)
assert(storageListener._rddInfoMap(2).numCachedPartitions === 0)
// Task end with a few dropped blocks
val metrics2 = new TaskMetrics
metrics2.setUpdatedBlockStatuses(Seq(
(RDDBlockId(0, 100), BlockStatus(none, 0L, 0L)),
(RDDBlockId(1, 20), BlockStatus(none, 0L, 0L)),
(RDDBlockId(2, 40), BlockStatus(none, 0L, 0L)), // doesn't actually exist
(RDDBlockId(4, 80), BlockStatus(none, 0L, 0L)) // doesn't actually exist
))
bus.postToAll(SparkListenerTaskEnd(2, 0, "obliteration", Success, taskInfo, metrics2))
assert(storageListener._rddInfoMap(0).memSize === 0L)
assert(storageListener._rddInfoMap(0).diskSize === 400L)
assert(storageListener._rddInfoMap(0).numCachedPartitions === 1)
assert(storageListener._rddInfoMap(0).isCached)
assert(!storageListener._rddInfoMap(1).isCached)
assert(storageListener._rddInfoMap(2).numCachedPartitions === 0)
assert(!storageListener._rddInfoMap(2).isCached)
assert(storageListener._rddInfoMap(2).numCachedPartitions === 0)
}
test("verify StorageTab contains all cached rdds") {
val rddInfo0 = new RDDInfo(0, "rdd0", 1, memOnly, Seq(4))
val rddInfo1 = new RDDInfo(1, "rdd1", 1, memOnly, Seq(4))
val stageInfo0 = new StageInfo(0, 0, "stage0", 1, Seq(rddInfo0), Seq.empty, "details")
val stageInfo1 = new StageInfo(1, 0, "stage1", 1, Seq(rddInfo1), Seq.empty, "details")
val taskMetrics0 = new TaskMetrics
val taskMetrics1 = new TaskMetrics
val block0 = (RDDBlockId(0, 1), BlockStatus(memOnly, 100L, 0L))
val block1 = (RDDBlockId(1, 1), BlockStatus(memOnly, 200L, 0L))
taskMetrics0.setUpdatedBlockStatuses(Seq(block0))
taskMetrics1.setUpdatedBlockStatuses(Seq(block1))
bus.postToAll(SparkListenerBlockManagerAdded(1L, bm1, 1000L))
bus.postToAll(SparkListenerStageSubmitted(stageInfo0))
assert(storageListener.rddInfoList.size === 0)
bus.postToAll(SparkListenerTaskEnd(0, 0, "big", Success, taskInfo, taskMetrics0))
assert(storageListener.rddInfoList.size === 1)
bus.postToAll(SparkListenerStageSubmitted(stageInfo1))
assert(storageListener.rddInfoList.size === 1)
bus.postToAll(SparkListenerStageCompleted(stageInfo0))
assert(storageListener.rddInfoList.size === 1)
bus.postToAll(SparkListenerTaskEnd(1, 0, "small", Success, taskInfo1, taskMetrics1))
assert(storageListener.rddInfoList.size === 2)
bus.postToAll(SparkListenerStageCompleted(stageInfo1))
assert(storageListener.rddInfoList.size === 2)
}
}
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