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_r354644917
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File path: server/src/main/scala/org/apache/livy/LivyConf.scala
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@@ -216,11 +213,27 @@ object LivyConf {
// RSC related jars separated with comma.
val RSC_JARS = Entry("livy.rsc.jars", null)
- // How long to check livy session leakage
+ // How long to check livy session leakage.
val YARN_APP_LEAKAGE_CHECK_TIMEOUT =
Entry("livy.server.yarn.app-leakage.check-timeout", "600s")
- // how often to check livy session leakage
+ // How often to check livy session leakage.
val YARN_APP_LEAKAGE_CHECK_INTERVAL =
Entry("livy.server.yarn.app-leakage.check-interval", "60s")
+ // The size of thread pool to monitor all yarn apps.
+ val YARN_APP_MONITOR_THREAD_POOL_SIZE =
+ Entry("livy.server.yarn.app-monitor.thread-pool.size", 4)
+ // How often thread monitor the YARN app.
+ val YARN_APP_MONITOR_THREAD_INTERVAL =
Entry("livy.server.yarn.app-monitor.thread-interval", "5s")
+ // How often to check monitor thread block
+ val YARN_APP_MONITOR_THREAD_BLOCK_CHECK_INTERVAL =
+ Entry("livy.server.yarn.app-monitor.thread-block.check-interval", "10s")
+ // If some thread cost more than this config to monitor one app,
+ // stop the monitor of the app which considered blocked.
+ val YARN_APP_MONITOR_THREAD_BLOCK_TIMEOUT =
+ Entry("livy.server.yarn.app-monitor.thread-block-timeout", "60s")
+ // If Livy can't monitor the yarn app successfully within this max times,
consider the app failed.
+ val YARN_APP_MONITOR_MAX_FAILED_TIMES =
+ Entry("livy.server.yarn.app-monitor.max-failed.times", 12)
Review comment:
@jerryshao updated
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