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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
}
}
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