[YARN-8291] RMRegistryOperationService don't have limit on AsyncPurge threads

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 3.0.0
• Component/s: yarn
• Assignee: Unassigned
• Reporter: Prabhu Joseph
• Created: 15/May/18 05:00
• Updated: 18/May/18 09:50

Description

When there are more than 10000+ containers finished - RMRegistryOperationService will create 10000+ threads for performing AsyncPurge which can slowdown the ResourceManager process. There should be a limit on the number of threads.

"RegistryAdminService 554485" #824351 prio=5 os_prio=0 tid=0x00007fe4b2bc9800 nid=0xf8ed in Object.wait() [0x00007fe31a5e4000]
   java.lang.Thread.State: WAITING (on object monitor)
        at java.lang.Object.wait(Native Method)
        at java.lang.Object.wait(Object.java:502)
        at org.apache.zookeeper.ClientCnxn.submitRequest(ClientCnxn.java:1386)
        - locked <0x00000007902ec7d8> (a org.apache.zookeeper.ClientCnxn$Packet)
        at org.apache.zookeeper.ZooKeeper.exists(ZooKeeper.java:1040)
        at org.apache.curator.framework.imps.ExistsBuilderImpl$2.call(ExistsBuilderImpl.java:172)
        at org.apache.curator.framework.imps.ExistsBuilderImpl$2.call(ExistsBuilderImpl.java:161)
        at org.apache.curator.RetryLoop.callWithRetry(RetryLoop.java:107)
        at org.apache.curator.framework.imps.ExistsBuilderImpl.pathInForeground(ExistsBuilderImpl.java:158)
        at org.apache.curator.framework.imps.ExistsBuilderImpl.forPath(ExistsBuilderImpl.java:148)
        at org.apache.curator.framework.imps.ExistsBuilderImpl.forPath(ExistsBuilderImpl.java:36)
        at org.apache.hadoop.registry.client.impl.zk.CuratorService.zkStat(CuratorService.java:455)
        at org.apache.hadoop.registry.client.impl.zk.RegistryOperationsService.stat(RegistryOperationsService.java:137)
        at org.apache.hadoop.registry.client.binding.RegistryUtils.statChildren(RegistryUtils.java:210)
        at org.apache.hadoop.registry.server.services.RegistryAdminService.purge(RegistryAdminService.java:450)
        at org.apache.hadoop.registry.server.services.RegistryAdminService.purge(RegistryAdminService.java:520)
        at org.apache.hadoop.registry.server.services.RegistryAdminService$AsyncPurge.call(RegistryAdminService.java:570)
        at org.apache.hadoop.registry.server.services.RegistryAdminService$AsyncPurge.call(RegistryAdminService.java:543)
        at java.util.concurrent.FutureTask.run(FutureTask.java:266)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)