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
|
/*
* 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 spark.deploy.master
import akka.actor.ActorRef
import scala.collection.mutable
import spark.Utils
private[spark] class WorkerInfo(
val id: String,
val host: String,
val port: Int,
val cores: Int,
val memory: Int,
val actor: ActorRef,
val webUiPort: Int,
val publicAddress: String) {
Utils.checkHost(host, "Expected hostname")
assert (port > 0)
var executors = new mutable.HashMap[String, ExecutorInfo] // fullId => info
var state: WorkerState.Value = WorkerState.ALIVE
var coresUsed = 0
var memoryUsed = 0
var lastHeartbeat = System.currentTimeMillis()
def coresFree: Int = cores - coresUsed
def memoryFree: Int = memory - memoryUsed
def hostPort: String = {
assert (port > 0)
host + ":" + port
}
def addExecutor(exec: ExecutorInfo) {
executors(exec.fullId) = exec
coresUsed += exec.cores
memoryUsed += exec.memory
}
def removeExecutor(exec: ExecutorInfo) {
if (executors.contains(exec.fullId)) {
executors -= exec.fullId
coresUsed -= exec.cores
memoryUsed -= exec.memory
}
}
def hasExecutor(app: ApplicationInfo): Boolean = {
executors.values.exists(_.application == app)
}
def webUiAddress : String = {
"http://" + this.publicAddress + ":" + this.webUiPort
}
def setState(state: WorkerState.Value) = {
this.state = state
}
}
|