Gergely Novák created YARN-4954: ----------------------------------- Summary: TestYarnClient.testReservationAPIs fails on machines with less than 4 GB available memory Key: YARN-4954 URL: https://issues.apache.org/jira/browse/YARN-4954 Project: Hadoop YARN Issue Type: Test Components: test Affects Versions: 3.0.0 Reporter: Gergely Novák Assignee: Gergely Novák Priority: Minor
TestYarnClient.testReservationAPIs sometimes fails with this error: {{java.lang.AssertionError: org.apache.hadoop.yarn.server.resourcemanager.reservation.exceptions.PlanningException: The request cannot be satisfied at org.apache.hadoop.yarn.ipc.RPCUtil.getRemoteException(RPCUtil.java:38) at org.apache.hadoop.yarn.server.resourcemanager.ClientRMService.submitReservation(ClientRMService.java:1254) at org.apache.hadoop.yarn.api.impl.pb.service.ApplicationClientProtocolPBServiceImpl.submitReservation(ApplicationClientProtocolPBServiceImpl.java:457) at org.apache.hadoop.yarn.proto.ApplicationClientProtocol$ApplicationClientProtocolService$2.callBlockingMethod(ApplicationClientProtocol.java:515) at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:637) at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:989) at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2422) at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2418) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAs(Subject.java:415) at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1742) at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2416) Caused by: org.apache.hadoop.yarn.server.resourcemanager.reservation.exceptions.PlanningException: The request cannot be satisfied at org.apache.hadoop.yarn.server.resourcemanager.reservation.planning.IterativePlanner.computeJobAllocation(IterativePlanner.java:151) at org.apache.hadoop.yarn.server.resourcemanager.reservation.planning.PlanningAlgorithm.allocateUser(PlanningAlgorithm.java:64) at org.apache.hadoop.yarn.server.resourcemanager.reservation.planning.PlanningAlgorithm.createReservation(PlanningAlgorithm.java:140) at org.apache.hadoop.yarn.server.resourcemanager.reservation.planning.TryManyReservationAgents.createReservation(TryManyReservationAgents.java:55) at org.apache.hadoop.yarn.server.resourcemanager.reservation.planning.AlignedPlannerWithGreedy.createReservation(AlignedPlannerWithGreedy.java:84) at org.apache.hadoop.yarn.server.resourcemanager.ClientRMService.submitReservation(ClientRMService.java:1237) ... 10 more at org.junit.Assert.fail(Assert.java:88) at org.apache.hadoop.yarn.client.api.impl.TestYarnClient.testReservationAPIs(TestYarnClient.java:1227) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47) at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12) at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44) at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17) at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:271) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50) at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236) at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229) at org.junit.runners.ParentRunner.run(ParentRunner.java:309) at org.junit.runner.JUnitCore.run(JUnitCore.java:160) at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:119) at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:42) at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:234) at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:74) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at com.intellij.rt.execution.application.AppMain.main(AppMain.java:144)}} This is caused by really not having enough available memory to complete the reservation (4 * 1024 MB). In my opinion lowering the required memory (either by lowering the number of containers to 2, or the memory to 512 MB) would make the test more stable. -- This message was sent by Atlassian JIRA (v6.3.4#6332)