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YARN-9331. [YARN-8851] Fix a bug that lacking cgroup initialization when bootstrap DeviceResourceHandlerImpl. Contributed by Zhankun Tang.

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This commit is contained in:
Weiwei Yang 2019-02-26 10:05:31 +08:00
parent a6ab37192a
commit c6ea28c480
2 changed files with 5 additions and 2 deletions
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5
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/resourceplugin/deviceframework/DeviceResourceHandlerImpl.java
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@ -122,8 +122,9 @@ public List<PrivilegedOperation> bootstrap(Configuration configuration)
}
// Add device set. Here we trust the plugin's return value
deviceMappingManager.addDeviceSet(resourceName, availableDevices);
// TODO: Init cgroups
// Init cgroups
this.cGroupsHandler.initializeCGroupController(
CGroupsHandler.CGroupController.DEVICES);
return null;
}

2
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/resourceplugin/deviceframework/TestDevicePluginAdapter.java
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@ -164,6 +164,8 @@ public void testBasicWorkflow()
mockShellWrapper);
adapter.setDeviceResourceHandler(drhl);
adapter.getDeviceResourceHandler().bootstrap(conf);
verify(mockCGroupsHandler).initializeCGroupController(
CGroupsHandler.CGroupController.DEVICES);
int size = dmm.getAvailableDevices(resourceName);
Assert.assertEquals(3, size);
// Case 1. A container c1 requests 1 device