1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
|
package spark.storage
import java.io.{Externalizable, ObjectInput, ObjectOutput}
import akka.actor.ActorRef
//////////////////////////////////////////////////////////////////////////////////
// Messages from the master to slaves.
//////////////////////////////////////////////////////////////////////////////////
private[spark]
sealed trait ToBlockManagerSlave
// Remove a block from the slaves that have it. This can only be used to remove
// blocks that the master knows about.
private[spark]
case class RemoveBlock(blockId: String) extends ToBlockManagerSlave
// Remove all blocks belonging to a specific RDD.
private[spark] case class RemoveRdd(rddId: Int) extends ToBlockManagerSlave
//////////////////////////////////////////////////////////////////////////////////
// Messages from slaves to the master.
//////////////////////////////////////////////////////////////////////////////////
private[spark]
sealed trait ToBlockManagerMaster
private[spark]
case class RegisterBlockManager(
blockManagerId: BlockManagerId,
maxMemSize: Long,
sender: ActorRef)
extends ToBlockManagerMaster
private[spark]
case class HeartBeat(blockManagerId: BlockManagerId) extends ToBlockManagerMaster
private[spark]
class UpdateBlockInfo(
var blockManagerId: BlockManagerId,
var blockId: String,
var storageLevel: StorageLevel,
var memSize: Long,
var diskSize: Long)
extends ToBlockManagerMaster
with Externalizable {
def this() = this(null, null, null, 0, 0) // For deserialization only
override def writeExternal(out: ObjectOutput) {
blockManagerId.writeExternal(out)
out.writeUTF(blockId)
storageLevel.writeExternal(out)
out.writeLong(memSize)
out.writeLong(diskSize)
}
override def readExternal(in: ObjectInput) {
blockManagerId = BlockManagerId(in)
blockId = in.readUTF()
storageLevel = StorageLevel(in)
memSize = in.readLong()
diskSize = in.readLong()
}
}
private[spark]
object UpdateBlockInfo {
def apply(blockManagerId: BlockManagerId,
blockId: String,
storageLevel: StorageLevel,
memSize: Long,
diskSize: Long): UpdateBlockInfo = {
new UpdateBlockInfo(blockManagerId, blockId, storageLevel, memSize, diskSize)
}
// For pattern-matching
def unapply(h: UpdateBlockInfo): Option[(BlockManagerId, String, StorageLevel, Long, Long)] = {
Some((h.blockManagerId, h.blockId, h.storageLevel, h.memSize, h.diskSize))
}
}
private[spark]
case class GetLocations(blockId: String) extends ToBlockManagerMaster
private[spark]
case class GetLocationsMultipleBlockIds(blockIds: Array[String]) extends ToBlockManagerMaster
private[spark]
case class GetPeers(blockManagerId: BlockManagerId, size: Int) extends ToBlockManagerMaster
private[spark]
case class RemoveExecutor(execId: String) extends ToBlockManagerMaster
private[spark]
case object StopBlockManagerMaster extends ToBlockManagerMaster
private[spark]
case object GetMemoryStatus extends ToBlockManagerMaster
private[spark]
case object ExpireDeadHosts extends ToBlockManagerMaster
private[spark]
case object GetStorageStatus extends ToBlockManagerMaster
|
