runzhiwang commented on a change in pull request #242: [LIVY-336][SERVER] Livy
should not spawn one thread per job to track the job on Yarn
URL: https://github.com/apache/incubator-livy/pull/242#discussion_r354644854
##########
File path: server/src/main/scala/org/apache/livy/utils/SparkYarnApp.scala
##########
@@ -56,20 +69,55 @@ object SparkYarnApp extends Logging {
c
}
- private def getYarnTagToAppIdTimeout(livyConf: LivyConf): FiniteDuration =
- livyConf.getTimeAsMs(LivyConf.YARN_APP_LOOKUP_TIMEOUT) milliseconds
-
- private def getYarnPollInterval(livyConf: LivyConf): FiniteDuration =
- livyConf.getTimeAsMs(LivyConf.YARN_POLL_INTERVAL) milliseconds
-
private[utils] val appType = Set("SPARK").asJava
private[utils] val leakedAppTags = new
java.util.concurrent.ConcurrentHashMap[String, Long]()
+ private val monitorAppThreadMap = new
java.util.concurrent.ConcurrentHashMap[Thread, Long]()
+
+ private val appQueue = new ConcurrentLinkedQueue[SparkYarnApp]()
+
private var sessionLeakageCheckTimeout: Long = _
private var sessionLeakageCheckInterval: Long = _
+ private var yarnAppMonitorThreadInterval: Long = _
+
+ private var yarnAppMonitorThreadBlockCheckInterval: Long = _
+
+ private var yarnAppMonitorThreadBlockTimeout: Long = _
+
+ private var yarnAppMonitorMaxFailedTimes: Long = _
+
+ private var yarnTagToAppIdMaxFailedTimes: Long = _
+
+ private val checkMonitorAppTimeoutThread = new Thread() {
+ override def run(): Unit = {
+ while (true) {
+ try {
+ val iter = monitorAppThreadMap.entrySet().iterator()
+ val now = System.currentTimeMillis()
+
+ while (iter.hasNext) {
+ val entry = iter.next()
+ val thread = entry.getKey
+ val updatedTime = entry.getValue
+
+ if (now - updatedTime - yarnAppMonitorThreadInterval >
+ yarnAppMonitorThreadBlockTimeout) {
+ thread.interrupt()
+ }
+ }
+
+ Thread.sleep(yarnAppMonitorThreadBlockCheckInterval)
+ } catch {
+ case e: InterruptedException =>
+ error(s"checkMonitorAppTimeoutThread Exception whiling monitor", e)
Review comment:
@jerryshao updated
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