Github user rxin commented on a diff in the pull request:
https://github.com/apache/spark/pull/1241#discussion_r14696298
--- Diff: core/src/main/scala/org/apache/spark/storage/BlockManager.scala
---
@@ -72,23 +74,48 @@ private[spark] class BlockManager(
// Actual storage of where blocks are kept
private var tachyonInitialized = false
private[storage] val memoryStore = new MemoryStore(this, maxMemory)
- private[storage] val diskStore = new DiskStore(this, diskBlockManager)
+ private[spark] val diskStore = new DiskStore(this, diskBlockManager)
private[storage] lazy val tachyonStore: TachyonStore = {
val storeDir = conf.get("spark.tachyonStore.baseDir",
"/tmp_spark_tachyon")
val appFolderName = conf.get("spark.tachyonStore.folderName")
val tachyonStorePath = s"$storeDir/$appFolderName/${this.executorId}"
val tachyonMaster = conf.get("spark.tachyonStore.url",
"tachyon://localhost:19998")
val tachyonBlockManager =
- new TachyonBlockManager(shuffleBlockManager, tachyonStorePath,
tachyonMaster)
+ new TachyonBlockManager(this, tachyonStorePath, tachyonMaster)
tachyonInitialized = true
new TachyonStore(this, tachyonBlockManager)
}
+ val shuffleManager = {
+ val name = conf.get("spark.shuffle.manager",
+ "org.apache.spark.shuffle.hash.HashShuffleManager")
+ val clazz = Class.forName(name, true,
Utils.getContextOrSparkClassLoader)
+ try {
+
clazz.getConstructor(classOf[SparkConf]).newInstance(conf).asInstanceOf[ShuffleManager]
+ } catch {
+ case _: NoSuchMethodException =>
+ clazz.getConstructor().newInstance().asInstanceOf[ShuffleManager]
+ }
+ }
+
+ private var nettyShuffleSender : ShuffleSender = null
// If we use Netty for shuffle, start a new Netty-based shuffle sender
service.
private val nettyPort: Int = {
val useNetty = conf.getBoolean("spark.shuffle.use.netty", false)
val nettyPortConfig = conf.getInt("spark.shuffle.sender.port", 0)
- if (useNetty)
diskBlockManager.startShuffleBlockSender(nettyPortConfig) else 0
+ // At present, only HashShuffleBlockManager support the
getBlockLocation method.
+ if (useNetty && shuffleManager.isInstanceOf[HashShuffleManager]) {
--- End diff --
right now we have two comm implementations in Spark: netty and a custom nio
implementation. After 1.1, we should look into the two and consolidate them. We
should pick one and make sure that is robust, instead of having two that
complicate things.
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