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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.status.api.v1
import javax.ws.rs.{GET, Produces}
import javax.ws.rs.core.MediaType
import org.apache.spark.storage.{RDDInfo, StorageStatus, StorageUtils}
import org.apache.spark.ui.SparkUI
import org.apache.spark.ui.storage.StorageListener
@Produces(Array(MediaType.APPLICATION_JSON))
private[v1] class AllRDDResource(ui: SparkUI) {
@GET
def rddList(): Seq[RDDStorageInfo] = {
val storageStatusList = ui.storageListener.activeStorageStatusList
val rddInfos = ui.storageListener.rddInfoList
rddInfos.map{rddInfo =>
AllRDDResource.getRDDStorageInfo(rddInfo.id, rddInfo, storageStatusList,
includeDetails = false)
}
}
}
private[spark] object AllRDDResource {
def getRDDStorageInfo(
rddId: Int,
listener: StorageListener,
includeDetails: Boolean): Option[RDDStorageInfo] = {
val storageStatusList = listener.activeStorageStatusList
listener.rddInfoList.find { _.id == rddId }.map { rddInfo =>
getRDDStorageInfo(rddId, rddInfo, storageStatusList, includeDetails)
}
}
def getRDDStorageInfo(
rddId: Int,
rddInfo: RDDInfo,
storageStatusList: Seq[StorageStatus],
includeDetails: Boolean): RDDStorageInfo = {
val workers = storageStatusList.map { (rddId, _) }
val blockLocations = StorageUtils.getRddBlockLocations(rddId, storageStatusList)
val blocks = storageStatusList
.flatMap { _.rddBlocksById(rddId) }
.sortWith { _._1.name < _._1.name }
.map { case (blockId, status) =>
(blockId, status, blockLocations.getOrElse(blockId, Seq[String]("Unknown")))
}
val dataDistribution = if (includeDetails) {
Some(storageStatusList.map { status =>
new RDDDataDistribution(
address = status.blockManagerId.hostPort,
memoryUsed = status.memUsedByRdd(rddId),
memoryRemaining = status.memRemaining,
diskUsed = status.diskUsedByRdd(rddId)
) } )
} else {
None
}
val partitions = if (includeDetails) {
Some(blocks.map { case (id, block, locations) =>
new RDDPartitionInfo(
blockName = id.name,
storageLevel = block.storageLevel.description,
memoryUsed = block.memSize,
diskUsed = block.diskSize,
executors = locations
)
} )
} else {
None
}
new RDDStorageInfo(
id = rddId,
name = rddInfo.name,
numPartitions = rddInfo.numPartitions,
numCachedPartitions = rddInfo.numCachedPartitions,
storageLevel = rddInfo.storageLevel.description,
memoryUsed = rddInfo.memSize,
diskUsed = rddInfo.diskSize,
dataDistribution = dataDistribution,
partitions = partitions
)
}
}
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