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YARN-6673 Add cpu cgroup configurations for opportunistic containers. (Miklos Szegedi via Haibo Chen)

This commit is contained in:
Haibo Chen 2017-08-03 09:56:51 -07:00
parent c5d256c760
commit 293c74a81b
2 changed files with 38 additions and 5 deletions
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20
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/resources/CGroupsCpuResourceHandlerImpl.java
View File

@ -26,8 +26,10 @@
import org.apache.hadoop.classification.InterfaceStability;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.yarn.api.records.ContainerId;
import org.apache.hadoop.yarn.api.records.ExecutionType;
import org.apache.hadoop.yarn.api.records.Resource;
import org.apache.hadoop.yarn.conf.YarnConfiguration;
import org.apache.hadoop.yarn.security.ContainerTokenIdentifier;
import org.apache.hadoop.yarn.server.nodemanager.containermanager.container.Container;
import org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.privileged.PrivilegedOperation;
import org.apache.hadoop.yarn.server.nodemanager.util.NodeManagerHardwareUtils;
@ -72,6 +74,7 @@ public class CGroupsCpuResourceHandlerImpl implements CpuResourceHandler {
static final int MIN_PERIOD_US = 1000;
@VisibleForTesting
static final int CPU_DEFAULT_WEIGHT = 1024; // set by kernel
static final int CPU_DEFAULT_WEIGHT_OPPORTUNISTIC = 2;
CGroupsCpuResourceHandlerImpl(CGroupsHandler cGroupsHandler) {
this.cGroupsHandler = cGroupsHandler;
@ -181,16 +184,23 @@ public static int[] getOverallLimits(float yarnProcessors) {
@Override
public List<PrivilegedOperation> preStart(Container container)
throws ResourceHandlerException {
String cgroupId = container.getContainerId().toString();
Resource containerResource = container.getResource();
cGroupsHandler.createCGroup(CPU, cgroupId);
try {
int containerVCores = containerResource.getVirtualCores();
int cpuShares = CPU_DEFAULT_WEIGHT * containerVCores;
cGroupsHandler
.updateCGroupParam(CPU, cgroupId, CGroupsHandler.CGROUP_CPU_SHARES,
String.valueOf(cpuShares));
ContainerTokenIdentifier id = container.getContainerTokenIdentifier();
if (id != null && id.getExecutionType() ==
ExecutionType.OPPORTUNISTIC) {
cGroupsHandler
.updateCGroupParam(CPU, cgroupId, CGroupsHandler.CGROUP_CPU_SHARES,
String.valueOf(CPU_DEFAULT_WEIGHT_OPPORTUNISTIC));
} else {
int cpuShares = CPU_DEFAULT_WEIGHT * containerVCores;
cGroupsHandler
.updateCGroupParam(CPU, cgroupId, CGroupsHandler.CGROUP_CPU_SHARES,
String.valueOf(cpuShares));
}
if (strictResourceUsageMode) {
if (nodeVCores != containerVCores) {
float containerCPU =

23
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/resources/TestCGroupsCpuResourceHandlerImpl.java
View File

@ -21,8 +21,10 @@
import org.apache.commons.io.FileUtils;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.yarn.api.records.ContainerId;
import org.apache.hadoop.yarn.api.records.ExecutionType;
import org.apache.hadoop.yarn.api.records.Resource;
import org.apache.hadoop.yarn.conf.YarnConfiguration;
import org.apache.hadoop.yarn.security.ContainerTokenIdentifier;
import org.apache.hadoop.yarn.server.nodemanager.containermanager.container.Container;
import org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.privileged.PrivilegedOperation;
import org.apache.hadoop.yarn.util.ResourceCalculatorPlugin;
@ -294,4 +296,25 @@ public void testTeardown() throws Exception {
public void testStrictResourceUsage() throws Exception {
Assert.assertNull(cGroupsCpuResourceHandler.teardown());
}
@Test
public void testOpportunistic() throws Exception {
Configuration conf = new YarnConfiguration();
cGroupsCpuResourceHandler.bootstrap(plugin, conf);
ContainerTokenIdentifier tokenId = mock(ContainerTokenIdentifier.class);
when(tokenId.getExecutionType()).thenReturn(ExecutionType.OPPORTUNISTIC);
Container container = mock(Container.class);
String id = "container_01_01";
ContainerId mockContainerId = mock(ContainerId.class);
when(mockContainerId.toString()).thenReturn(id);
when(container.getContainerId()).thenReturn(mockContainerId);
when(container.getContainerTokenIdentifier()).thenReturn(tokenId);
when(container.getResource()).thenReturn(Resource.newInstance(1024, 2));
cGroupsCpuResourceHandler.preStart(container);
verify(mockCGroupsHandler, times(1))
.updateCGroupParam(CGroupsHandler.CGroupController.CPU, id,
CGroupsHandler.CGROUP_CPU_SHARES, "2");
}
}