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MAPREDUCE-5489. MR jobs hangs as it does not use the node-blacklisting feature in RM requests (Zhijie Shen via bikas)

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git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1529005 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Bikas Saha 2013-10-03 21:14:35 +00:00
parent 7b687dda09
commit fb3f338c65
3 changed files with 87 additions and 17 deletions
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3
hadoop-mapreduce-project/CHANGES.txt
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@ -272,6 +272,9 @@ Release 2.1.2 - UNRELEASED
tests jar is breaking tests for downstream components (Robert Kanter via
Sandy Ryza)
MAPREDUCE-5489. MR jobs hangs as it does not use the node-blacklisting
feature in RM requests (Zhijie Shen via bikas)
Release 2.1.1-beta - 2013-09-23
INCOMPATIBLE CHANGES

27
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/v2/app/rm/RMContainerRequestor.java
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@ -41,6 +41,7 @@
import org.apache.hadoop.yarn.api.records.ContainerId;
import org.apache.hadoop.yarn.api.records.Priority;
import org.apache.hadoop.yarn.api.records.Resource;
import org.apache.hadoop.yarn.api.records.ResourceBlacklistRequest;
import org.apache.hadoop.yarn.api.records.ResourceRequest;
import org.apache.hadoop.yarn.exceptions.YarnException;
import org.apache.hadoop.yarn.exceptions.YarnRuntimeException;
@ -86,6 +87,10 @@ public abstract class RMContainerRequestor extends RMCommunicator {
private final Map<String, Integer> nodeFailures = new HashMap<String, Integer>();
private final Set<String> blacklistedNodes = Collections
.newSetFromMap(new ConcurrentHashMap<String, Boolean>());
private final Set<String> blacklistAdditions = Collections
.newSetFromMap(new ConcurrentHashMap<String, Boolean>());
private final Set<String> blacklistRemovals = Collections
.newSetFromMap(new ConcurrentHashMap<String, Boolean>());
public RMContainerRequestor(ClientService clientService, AppContext context) {
super(clientService, context);
@ -145,10 +150,13 @@ protected void serviceInit(Configuration conf) throws Exception {
}
protected AllocateResponse makeRemoteRequest() throws IOException {
ResourceBlacklistRequest blacklistRequest =
ResourceBlacklistRequest.newInstance(new ArrayList<String>(blacklistAdditions),
new ArrayList<String>(blacklistRemovals));
AllocateRequest allocateRequest =
AllocateRequest.newInstance(lastResponseID,
super.getApplicationProgress(), new ArrayList<ResourceRequest>(ask),
new ArrayList<ContainerId>(release), null);
new ArrayList<ContainerId>(release), blacklistRequest);
AllocateResponse allocateResponse;
try {
allocateResponse = scheduler.allocate(allocateRequest);
@ -172,6 +180,14 @@ protected AllocateResponse makeRemoteRequest() throws IOException {
ask.clear();
release.clear();
if (blacklistAdditions.size() > 0 || blacklistRemovals.size() > 0) {
LOG.info("Update the blacklist for " + applicationId +
": blacklistAdditions=" + blacklistAdditions.size() +
" blacklistRemovals=" + blacklistRemovals.size());
}
blacklistAdditions.clear();
blacklistRemovals.clear();
return allocateResponse;
}
@ -195,11 +211,17 @@ protected void computeIgnoreBlacklisting() {
if (ignoreBlacklisting.compareAndSet(false, true)) {
LOG.info("Ignore blacklisting set to true. Known: " + clusterNmCount
+ ", Blacklisted: " + blacklistedNodeCount + ", " + val + "%");
// notify RM to ignore all the blacklisted nodes
blacklistAdditions.clear();
blacklistRemovals.addAll(blacklistedNodes);
}
} else {
if (ignoreBlacklisting.compareAndSet(true, false)) {
LOG.info("Ignore blacklisting set to false. Known: " + clusterNmCount
+ ", Blacklisted: " + blacklistedNodeCount + ", " + val + "%");
// notify RM of all the blacklisted nodes
blacklistAdditions.addAll(blacklistedNodes);
blacklistRemovals.clear();
}
}
}
@ -221,6 +243,9 @@ protected void containerFailedOnHost(String hostName) {
LOG.info(failures + " failures on node " + hostName);
if (failures >= maxTaskFailuresPerNode) {
blacklistedNodes.add(hostName);
if (!ignoreBlacklisting.get()) {
blacklistAdditions.add(hostName);
}
//Even if blacklisting is ignored, continue to remove the host from
// the request table. The RM may have additional nodes it can allocate on.
LOG.info("Blacklisted host " + hostName);

68
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/test/java/org/apache/hadoop/mapreduce/v2/app/TestRMContainerAllocator.java
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@ -880,8 +880,10 @@ public void testBlackListedNodes() throws Exception {
dispatcher.await();
assigned = allocator.schedule();
Assert.assertEquals("No of assignments must be 0", 0, assigned.size());
dispatcher.await();
Assert.assertEquals("No of assignments must be 0", 0, assigned.size());
assertBlacklistAdditionsAndRemovals(2, 0, rm);
// mark h1/h2 as bad nodes
nodeManager1.nodeHeartbeat(false);
@ -890,12 +892,14 @@ public void testBlackListedNodes() throws Exception {
assigned = allocator.schedule();
dispatcher.await();
assertBlacklistAdditionsAndRemovals(0, 0, rm);
Assert.assertEquals("No of assignments must be 0", 0, assigned.size());
nodeManager3.nodeHeartbeat(true); // Node heartbeat
dispatcher.await();
assigned = allocator.schedule();
dispatcher.await();
assertBlacklistAdditionsAndRemovals(0, 0, rm);
Assert.assertTrue("No of assignments must be 3", assigned.size() == 3);
@ -948,7 +952,7 @@ public void testIgnoreBlacklisting() throws Exception {
// Known=1, blacklisted=0, ignore should be false - assign first container
assigned =
getContainerOnHost(jobId, 1, 1024, new String[] { "h1" },
nodeManagers[0], dispatcher, allocator);
nodeManagers[0], dispatcher, allocator, 0, 0, 0, 0, rm);
Assert.assertEquals("No of assignments must be 1", 1, assigned.size());
LOG.info("Failing container _1 on H1 (Node should be blacklisted and"
@ -958,44 +962,52 @@ public void testIgnoreBlacklisting() throws Exception {
allocator.sendFailure(f1);
// Test single node.
// Known=1, blacklisted=1, ignore should be true - assign 0
// Because makeRemoteRequest will not be aware of it until next call
// The current call will send blacklisted node "h1" to RM
assigned =
getContainerOnHost(jobId, 2, 1024, new String[] { "h1" },
nodeManagers[0], dispatcher, allocator, 1, 0, 0, 1, rm);
Assert.assertEquals("No of assignments must be 0", 0, assigned.size());
// Known=1, blacklisted=1, ignore should be true - assign 1
assigned =
getContainerOnHost(jobId, 2, 1024, new String[] { "h1" },
nodeManagers[0], dispatcher, allocator);
nodeManagers[0], dispatcher, allocator, 0, 0, 0, 0, rm);
Assert.assertEquals("No of assignments must be 1", 1, assigned.size());
nodeManagers[nmNum] = registerNodeManager(nmNum++, rm, dispatcher);
// Known=2, blacklisted=1, ignore should be true - assign 1 anyway.
assigned =
getContainerOnHost(jobId, 3, 1024, new String[] { "h2" },
nodeManagers[1], dispatcher, allocator);
nodeManagers[1], dispatcher, allocator, 0, 0, 0, 0, rm);
Assert.assertEquals("No of assignments must be 1", 1, assigned.size());
nodeManagers[nmNum] = registerNodeManager(nmNum++, rm, dispatcher);
// Known=3, blacklisted=1, ignore should be true - assign 1 anyway.
assigned =
getContainerOnHost(jobId, 4, 1024, new String[] { "h3" },
nodeManagers[2], dispatcher, allocator);
nodeManagers[2], dispatcher, allocator, 0, 0, 0, 0, rm);
Assert.assertEquals("No of assignments must be 1", 1, assigned.size());
// Known=3, blacklisted=1, ignore should be true - assign 1
assigned =
getContainerOnHost(jobId, 5, 1024, new String[] { "h1" },
nodeManagers[0], dispatcher, allocator);
nodeManagers[0], dispatcher, allocator, 0, 0, 0, 0, rm);
Assert.assertEquals("No of assignments must be 1", 1, assigned.size());
nodeManagers[nmNum] = registerNodeManager(nmNum++, rm, dispatcher);
// Known=4, blacklisted=1, ignore should be false - assign 1 anyway
assigned =
getContainerOnHost(jobId, 6, 1024, new String[] { "h4" },
nodeManagers[3], dispatcher, allocator);
nodeManagers[3], dispatcher, allocator, 0, 0, 1, 0, rm);
Assert.assertEquals("No of assignments must be 1", 1, assigned.size());
// Test blacklisting re-enabled.
// Known=4, blacklisted=1, ignore should be false - no assignment on h1
assigned =
getContainerOnHost(jobId, 7, 1024, new String[] { "h1" },
nodeManagers[0], dispatcher, allocator);
nodeManagers[0], dispatcher, allocator, 0, 0, 0, 0, rm);
Assert.assertEquals("No of assignments must be 0", 0, assigned.size());
// RMContainerRequestor would have created a replacement request.
@ -1004,17 +1016,24 @@ public void testIgnoreBlacklisting() throws Exception {
allocator.sendFailure(f2);
// Test ignore blacklisting re-enabled
// Known=4, blacklisted=2, ignore should be true. Should assign 0
// container for the same reason above.
assigned =
getContainerOnHost(jobId, 8, 1024, new String[] { "h1" },
nodeManagers[0], dispatcher, allocator, 1, 0, 0, 2, rm);
Assert.assertEquals("No of assignments must be 0", 0, assigned.size());
// Known=4, blacklisted=2, ignore should be true. Should assign 2
// containers.
assigned =
getContainerOnHost(jobId, 8, 1024, new String[] { "h1" },
nodeManagers[0], dispatcher, allocator);
nodeManagers[0], dispatcher, allocator, 0, 0, 0, 0, rm);
Assert.assertEquals("No of assignments must be 2", 2, assigned.size());
// Known=4, blacklisted=2, ignore should be true.
assigned =
getContainerOnHost(jobId, 9, 1024, new String[] { "h2" },
nodeManagers[1], dispatcher, allocator);
nodeManagers[1], dispatcher, allocator, 0, 0, 0, 0, rm);
Assert.assertEquals("No of assignments must be 1", 1, assigned.size());
// Test blacklist while ignore blacklisting enabled
@ -1025,7 +1044,7 @@ public void testIgnoreBlacklisting() throws Exception {
// Known=5, blacklisted=3, ignore should be true.
assigned =
getContainerOnHost(jobId, 10, 1024, new String[] { "h3" },
nodeManagers[2], dispatcher, allocator);
nodeManagers[2], dispatcher, allocator, 0, 0, 0, 0, rm);
Assert.assertEquals("No of assignments must be 1", 1, assigned.size());
// Assign on 5 more nodes - to re-enable blacklisting
@ -1034,14 +1053,14 @@ public void testIgnoreBlacklisting() throws Exception {
assigned =
getContainerOnHost(jobId, 11 + i, 1024,
new String[] { String.valueOf(5 + i) }, nodeManagers[4 + i],
dispatcher, allocator);
dispatcher, allocator, 0, 0, (i == 4 ? 3 : 0), 0, rm);
Assert.assertEquals("No of assignments must be 1", 1, assigned.size());
}
// Test h3 (blacklisted while ignoring blacklisting) is blacklisted.
assigned =
getContainerOnHost(jobId, 20, 1024, new String[] { "h3" },
nodeManagers[2], dispatcher, allocator);
nodeManagers[2], dispatcher, allocator, 0, 0, 0, 0, rm);
Assert.assertEquals("No of assignments must be 0", 0, assigned.size());
}
@ -1055,7 +1074,9 @@ private MockNM registerNodeManager(int i, MyResourceManager rm,
private
List<TaskAttemptContainerAssignedEvent> getContainerOnHost(JobId jobId,
int taskAttemptId, int memory, String[] hosts, MockNM mockNM,
DrainDispatcher dispatcher, MyContainerAllocator allocator)
DrainDispatcher dispatcher, MyContainerAllocator allocator,
int expectedAdditions1, int expectedRemovals1,
int expectedAdditions2, int expectedRemovals2, MyResourceManager rm)
throws Exception {
ContainerRequestEvent reqEvent =
createReq(jobId, taskAttemptId, memory, hosts);
@ -1064,6 +1085,8 @@ List<TaskAttemptContainerAssignedEvent> getContainerOnHost(JobId jobId,
// Send the request to the RM
List<TaskAttemptContainerAssignedEvent> assigned = allocator.schedule();
dispatcher.await();
assertBlacklistAdditionsAndRemovals(
expectedAdditions1, expectedRemovals1, rm);
Assert.assertEquals("No of assignments must be 0", 0, assigned.size());
// Heartbeat from the required nodeManager
@ -1072,6 +1095,8 @@ List<TaskAttemptContainerAssignedEvent> getContainerOnHost(JobId jobId,
assigned = allocator.schedule();
dispatcher.await();
assertBlacklistAdditionsAndRemovals(
expectedAdditions2, expectedRemovals2, rm);
return assigned;
}
@ -1137,6 +1162,7 @@ public void testBlackListedNodesWithSchedulingToThatNode() throws Exception {
LOG.info("RM Heartbeat (To process the scheduled containers)");
assigned = allocator.schedule();
dispatcher.await();
assertBlacklistAdditionsAndRemovals(0, 0, rm);
Assert.assertEquals("No of assignments must be 1", 1, assigned.size());
LOG.info("Failing container _1 on H1 (should blacklist the node)");
@ -1153,6 +1179,7 @@ public void testBlackListedNodesWithSchedulingToThatNode() throws Exception {
//Update the Scheduler with the new requests.
assigned = allocator.schedule();
dispatcher.await();
assertBlacklistAdditionsAndRemovals(1, 0, rm);
Assert.assertEquals("No of assignments must be 0", 0, assigned.size());
// send another request with different resource and priority
@ -1171,6 +1198,7 @@ public void testBlackListedNodesWithSchedulingToThatNode() throws Exception {
LOG.info("RM Heartbeat (To process the scheduled containers)");
assigned = allocator.schedule();
dispatcher.await();
assertBlacklistAdditionsAndRemovals(0, 0, rm);
Assert.assertEquals("No of assignments must be 0", 0, assigned.size());
//RMContainerAllocator gets assigned a p:5 on a blacklisted node.
@ -1179,6 +1207,7 @@ public void testBlackListedNodesWithSchedulingToThatNode() throws Exception {
LOG.info("RM Heartbeat (To process the re-scheduled containers)");
assigned = allocator.schedule();
dispatcher.await();
assertBlacklistAdditionsAndRemovals(0, 0, rm);
Assert.assertEquals("No of assignments must be 0", 0, assigned.size());
//Hearbeat from H3 to schedule on this host.
@ -1188,6 +1217,7 @@ public void testBlackListedNodesWithSchedulingToThatNode() throws Exception {
LOG.info("RM Heartbeat (To process the re-scheduled containers for H3)");
assigned = allocator.schedule();
assertBlacklistAdditionsAndRemovals(0, 0, rm);
dispatcher.await();
// For debugging
@ -1206,6 +1236,14 @@ public void testBlackListedNodesWithSchedulingToThatNode() throws Exception {
}
}
private static void assertBlacklistAdditionsAndRemovals(
int expectedAdditions, int expectedRemovals, MyResourceManager rm) {
Assert.assertEquals(expectedAdditions,
rm.getMyFifoScheduler().lastBlacklistAdditions.size());
Assert.assertEquals(expectedRemovals,
rm.getMyFifoScheduler().lastBlacklistRemovals.size());
}
private static class MyFifoScheduler extends FifoScheduler {
public MyFifoScheduler(RMContext rmContext) {
@ -1220,6 +1258,8 @@ public MyFifoScheduler(RMContext rmContext) {
}
List<ResourceRequest> lastAsk = null;
List<String> lastBlacklistAdditions;
List<String> lastBlacklistRemovals;
// override this to copy the objects otherwise FifoScheduler updates the
// numContainers in same objects as kept by RMContainerAllocator
@ -1236,6 +1276,8 @@ public synchronized Allocation allocate(
askCopy.add(reqCopy);
}
lastAsk = ask;
lastBlacklistAdditions = blacklistAdditions;
lastBlacklistRemovals = blacklistRemovals;
return super.allocate(
applicationAttemptId, askCopy, release,
blacklistAdditions, blacklistRemovals);