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Posted to yarn-commits@hadoop.apache.org by vi...@apache.org on 2013/11/28 00:23:01 UTC
svn commit: r1546230 - in
/hadoop/common/branches/branch-2/hadoop-yarn-project: ./
hadoop-yarn/hadoop-yarn-api/src/main/proto/server/
hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resource...
Author: vinodkv
Date: Wed Nov 27 23:23:01 2013
New Revision: 1546230
URL: http://svn.apache.org/r1546230
Log:
YARN-1239. Modified ResourceManager state-store implementations to start storing version numbers. Contributed by Jian He.
svn merge --ignore-ancestry -c 1546229 ../../trunk/
Added:
hadoop/common/branches/branch-2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateVersionIncompatibleException.java
- copied unchanged from r1546229, hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateVersionIncompatibleException.java
hadoop/common/branches/branch-2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/records/RMStateVersion.java
- copied unchanged from r1546229, hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/records/RMStateVersion.java
hadoop/common/branches/branch-2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/records/impl/pb/RMStateVersionPBImpl.java
- copied unchanged from r1546229, hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/records/impl/pb/RMStateVersionPBImpl.java
Modified:
hadoop/common/branches/branch-2/hadoop-yarn-project/CHANGES.txt
hadoop/common/branches/branch-2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/proto/server/yarn_server_resourcemanager_service_protos.proto
hadoop/common/branches/branch-2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/ResourceManager.java
hadoop/common/branches/branch-2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/FileSystemRMStateStore.java
hadoop/common/branches/branch-2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/MemoryRMStateStore.java
hadoop/common/branches/branch-2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/NullRMStateStore.java
hadoop/common/branches/branch-2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.java
hadoop/common/branches/branch-2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/ZKRMStateStore.java
hadoop/common/branches/branch-2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStoreTestBase.java
hadoop/common/branches/branch-2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/TestFSRMStateStore.java
hadoop/common/branches/branch-2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/TestZKRMStateStore.java
Modified: hadoop/common/branches/branch-2/hadoop-yarn-project/CHANGES.txt
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-2/hadoop-yarn-project/CHANGES.txt?rev=1546230&r1=1546229&r2=1546230&view=diff
==============================================================================
--- hadoop/common/branches/branch-2/hadoop-yarn-project/CHANGES.txt (original)
+++ hadoop/common/branches/branch-2/hadoop-yarn-project/CHANGES.txt Wed Nov 27 23:23:01 2013
@@ -105,6 +105,9 @@ Release 2.3.0 - UNRELEASED
YARN-1314. Fixed DistributedShell to not fail with multiple arguments for a
shell command separated by spaces. (Xuan Gong via vinodkv)
+ YARN-1239. Modified ResourceManager state-store implementations to start
+ storing version numbers. (Jian He via vinodkv)
+
OPTIMIZATIONS
BUG FIXES
Modified: hadoop/common/branches/branch-2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/proto/server/yarn_server_resourcemanager_service_protos.proto
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/proto/server/yarn_server_resourcemanager_service_protos.proto?rev=1546230&r1=1546229&r2=1546230&view=diff
==============================================================================
--- hadoop/common/branches/branch-2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/proto/server/yarn_server_resourcemanager_service_protos.proto (original)
+++ hadoop/common/branches/branch-2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/proto/server/yarn_server_resourcemanager_service_protos.proto Wed Nov 27 23:23:01 2013
@@ -103,9 +103,9 @@ enum RMAppStateProto {
message ApplicationStateDataProto {
optional int64 submit_time = 1;
- optional int64 start_time = 2;
- optional ApplicationSubmissionContextProto application_submission_context = 3;
- optional string user = 4;
+ optional ApplicationSubmissionContextProto application_submission_context = 2;
+ optional string user = 3;
+ optional int64 start_time = 4;
optional RMAppStateProto application_state = 5;
optional string diagnostics = 6 [default = "N/A"];
optional int64 finish_time = 7;
@@ -121,3 +121,8 @@ message ApplicationAttemptStateDataProto
optional int64 start_time = 7;
optional FinalApplicationStatusProto final_application_status = 8;
}
+
+message RMStateVersionProto {
+ optional int32 major_version = 1;
+ optional int32 minor_version = 2;
+}
Modified: hadoop/common/branches/branch-2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/ResourceManager.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/ResourceManager.java?rev=1546230&r1=1546229&r2=1546230&view=diff
==============================================================================
--- hadoop/common/branches/branch-2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/ResourceManager.java (original)
+++ hadoop/common/branches/branch-2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/ResourceManager.java Wed Nov 27 23:23:01 2013
@@ -457,6 +457,7 @@ public class ResourceManager extends Com
if(recoveryEnabled) {
try {
+ rmStore.checkVersion();
RMState state = rmStore.loadState();
recover(state);
} catch (Exception e) {
Modified: hadoop/common/branches/branch-2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/FileSystemRMStateStore.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/FileSystemRMStateStore.java?rev=1546230&r1=1546229&r2=1546230&view=diff
==============================================================================
--- hadoop/common/branches/branch-2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/FileSystemRMStateStore.java (original)
+++ hadoop/common/branches/branch-2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/FileSystemRMStateStore.java Wed Nov 27 23:23:01 2013
@@ -44,9 +44,12 @@ import org.apache.hadoop.yarn.api.record
import org.apache.hadoop.yarn.conf.YarnConfiguration;
import org.apache.hadoop.yarn.proto.YarnServerResourceManagerServiceProtos.ApplicationAttemptStateDataProto;
import org.apache.hadoop.yarn.proto.YarnServerResourceManagerServiceProtos.ApplicationStateDataProto;
+import org.apache.hadoop.yarn.proto.YarnServerResourceManagerServiceProtos.RMStateVersionProto;
import org.apache.hadoop.yarn.security.client.RMDelegationTokenIdentifier;
+import org.apache.hadoop.yarn.server.resourcemanager.recovery.records.RMStateVersion;
import org.apache.hadoop.yarn.server.resourcemanager.recovery.records.impl.pb.ApplicationAttemptStateDataPBImpl;
import org.apache.hadoop.yarn.server.resourcemanager.recovery.records.impl.pb.ApplicationStateDataPBImpl;
+import org.apache.hadoop.yarn.server.resourcemanager.recovery.records.impl.pb.RMStateVersionPBImpl;
import org.apache.hadoop.yarn.util.ConverterUtils;
import com.google.common.annotations.VisibleForTesting;
@@ -63,7 +66,9 @@ public class FileSystemRMStateStore exte
public static final Log LOG = LogFactory.getLog(FileSystemRMStateStore.class);
- private static final String ROOT_DIR_NAME = "FSRMStateRoot";
+ protected static final String ROOT_DIR_NAME = "FSRMStateRoot";
+ protected static final RMStateVersion CURRENT_VERSION_INFO = RMStateVersion
+ .newInstance(1, 0);
protected FileSystem fs;
@@ -78,7 +83,6 @@ public class FileSystemRMStateStore exte
@Override
public synchronized void initInternal(Configuration conf)
throws Exception{
-
fsWorkingPath = new Path(conf.get(YarnConfiguration.FS_RM_STATE_STORE_URI));
rootDirPath = new Path(fsWorkingPath, ROOT_DIR_NAME);
rmDTSecretManagerRoot = new Path(rootDirPath, RM_DT_SECRET_MANAGER_ROOT);
@@ -101,6 +105,36 @@ public class FileSystemRMStateStore exte
}
@Override
+ protected RMStateVersion getCurrentVersion() {
+ return CURRENT_VERSION_INFO;
+ }
+
+ @Override
+ protected synchronized RMStateVersion loadVersion() throws Exception {
+ Path versionNodePath = getNodePath(rootDirPath, VERSION_NODE);
+ if (fs.exists(versionNodePath)) {
+ FileStatus status = fs.getFileStatus(versionNodePath);
+ byte[] data = readFile(versionNodePath, status.getLen());
+ RMStateVersion version =
+ new RMStateVersionPBImpl(RMStateVersionProto.parseFrom(data));
+ return version;
+ }
+ return null;
+ }
+
+ @Override
+ protected synchronized void storeVersion() throws Exception {
+ Path versionNodePath = getNodePath(rootDirPath, VERSION_NODE);
+ byte[] data =
+ ((RMStateVersionPBImpl) CURRENT_VERSION_INFO).getProto().toByteArray();
+ if (fs.exists(versionNodePath)) {
+ updateFile(versionNodePath, data);
+ } else {
+ writeFile(versionNodePath, data);
+ }
+ }
+
+ @Override
public synchronized RMState loadState() throws Exception {
RMState rmState = new RMState();
// recover DelegationTokenSecretManager
@@ -430,7 +464,7 @@ public class FileSystemRMStateStore exte
fs.rename(tempPath, outputPath);
}
- private void updateFile(Path outputPath, byte[] data) throws Exception {
+ protected void updateFile(Path outputPath, byte[] data) throws Exception {
if (fs.exists(outputPath)) {
deleteFile(outputPath);
}
Modified: hadoop/common/branches/branch-2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/MemoryRMStateStore.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/MemoryRMStateStore.java?rev=1546230&r1=1546229&r2=1546230&view=diff
==============================================================================
--- hadoop/common/branches/branch-2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/MemoryRMStateStore.java (original)
+++ hadoop/common/branches/branch-2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/MemoryRMStateStore.java Wed Nov 27 23:23:01 2013
@@ -32,6 +32,7 @@ import org.apache.hadoop.yarn.api.record
import org.apache.hadoop.yarn.api.records.ApplicationId;
import org.apache.hadoop.yarn.exceptions.YarnRuntimeException;
import org.apache.hadoop.yarn.security.client.RMDelegationTokenIdentifier;
+import org.apache.hadoop.yarn.server.resourcemanager.recovery.records.RMStateVersion;
import org.apache.hadoop.yarn.server.resourcemanager.recovery.records.impl.pb.ApplicationAttemptStateDataPBImpl;
import org.apache.hadoop.yarn.server.resourcemanager.recovery.records.impl.pb.ApplicationStateDataPBImpl;
import org.apache.hadoop.yarn.util.ConverterUtils;
@@ -43,12 +44,15 @@ import com.google.common.annotations.Vis
public class MemoryRMStateStore extends RMStateStore {
RMState state = new RMState();
-
@VisibleForTesting
public RMState getState() {
return state;
}
-
+
+ @Override
+ public void checkVersion() throws Exception {
+ }
+
@Override
public synchronized RMState loadState() throws Exception {
// return a copy of the state to allow for modification of the real state
@@ -224,4 +228,18 @@ public class MemoryRMStateStore extends
state.rmSecretManagerState.getMasterKeyState();
rmDTMasterKeyState.remove(delegationKey);
}
+
+ @Override
+ protected RMStateVersion loadVersion() throws Exception {
+ return null;
+ }
+
+ @Override
+ protected void storeVersion() throws Exception {
+ }
+
+ @Override
+ protected RMStateVersion getCurrentVersion() {
+ return null;
+ }
}
Modified: hadoop/common/branches/branch-2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/NullRMStateStore.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/NullRMStateStore.java?rev=1546230&r1=1546229&r2=1546230&view=diff
==============================================================================
--- hadoop/common/branches/branch-2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/NullRMStateStore.java (original)
+++ hadoop/common/branches/branch-2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/NullRMStateStore.java Wed Nov 27 23:23:01 2013
@@ -23,6 +23,7 @@ import org.apache.hadoop.classification.
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.security.token.delegation.DelegationKey;
import org.apache.hadoop.yarn.security.client.RMDelegationTokenIdentifier;
+import org.apache.hadoop.yarn.server.resourcemanager.recovery.records.RMStateVersion;
import org.apache.hadoop.yarn.server.resourcemanager.recovery.records.impl.pb.ApplicationAttemptStateDataPBImpl;
import org.apache.hadoop.yarn.server.resourcemanager.recovery.records.impl.pb.ApplicationStateDataPBImpl;
@@ -99,6 +100,27 @@ public class NullRMStateStore extends RM
@Override
protected void updateApplicationAttemptStateInternal(String attemptId,
ApplicationAttemptStateDataPBImpl attemptStateData) throws Exception {
+ }
+
+ @Override
+ public void checkVersion() throws Exception {
+ // Do nothing
+ }
+
+ @Override
+ protected RMStateVersion loadVersion() throws Exception {
+ // Do nothing
+ return null;
+ }
+
+ @Override
+ protected void storeVersion() throws Exception {
+ // Do nothing
+ }
+
+ @Override
+ protected RMStateVersion getCurrentVersion() {
// Do nothing
+ return null;
}
}
Modified: hadoop/common/branches/branch-2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.java?rev=1546230&r1=1546229&r2=1546230&view=diff
==============================================================================
--- hadoop/common/branches/branch-2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.java (original)
+++ hadoop/common/branches/branch-2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.java Wed Nov 27 23:23:01 2013
@@ -43,18 +43,18 @@ import org.apache.hadoop.yarn.api.record
import org.apache.hadoop.yarn.api.records.Container;
import org.apache.hadoop.yarn.api.records.FinalApplicationStatus;
import org.apache.hadoop.yarn.api.records.impl.pb.ApplicationSubmissionContextPBImpl;
-
import org.apache.hadoop.yarn.event.AsyncDispatcher;
import org.apache.hadoop.yarn.event.Dispatcher;
import org.apache.hadoop.yarn.event.EventHandler;
import org.apache.hadoop.yarn.security.AMRMTokenIdentifier;
import org.apache.hadoop.yarn.security.client.RMDelegationTokenIdentifier;
+import org.apache.hadoop.yarn.server.resourcemanager.recovery.records.RMStateVersion;
import org.apache.hadoop.yarn.server.resourcemanager.recovery.records.impl.pb.ApplicationAttemptStateDataPBImpl;
import org.apache.hadoop.yarn.server.resourcemanager.recovery.records.impl.pb.ApplicationStateDataPBImpl;
import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMApp;
+import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMAppNewSavedEvent;
import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMAppRemovedEvent;
import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMAppState;
-import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMAppNewSavedEvent;
import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMAppUpdateSavedEvent;
import org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.RMAppAttempt;
import org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.RMAppAttemptState;
@@ -78,6 +78,7 @@ public abstract class RMStateStore exten
protected static final String DELEGATION_TOKEN_PREFIX = "RMDelegationToken_";
protected static final String DELEGATION_TOKEN_SEQUENCE_NUMBER_PREFIX =
"RMDTSequenceNumber_";
+ protected static final String VERSION_NODE = "RMVersionNode";
public static final Log LOG = LogFactory.getLog(RMStateStore.class);
@@ -304,7 +305,54 @@ public abstract class RMStateStore exten
* after this
*/
protected abstract void closeInternal() throws Exception;
-
+
+ /**
+ * 1) Versioning scheme: major.minor. For e.g. 1.0, 1.1, 1.2...1.25, 2.0 etc.
+ * 2) Any incompatible change of state-store is a major upgrade, and any
+ * compatible change of state-store is a minor upgrade.
+ * 3) If theres's no version, treat it as 1.0.
+ * 4) Within a minor upgrade, say 1.1 to 1.2:
+ * overwrite the version info and proceed as normal.
+ * 5) Within a major upgrade, say 1.2 to 2.0:
+ * throw exception and indicate user to use a separate upgrade tool to
+ * upgrade RM state.
+ */
+ public void checkVersion() throws Exception {
+ RMStateVersion loadedVersion = loadVersion();
+ LOG.info("Loaded RM state version info " + loadedVersion);
+ if (loadedVersion != null && loadedVersion.equals(getCurrentVersion())) {
+ return;
+ }
+ // if there is no version info, treat it as 1.0;
+ if (loadedVersion == null) {
+ loadedVersion = RMStateVersion.newInstance(1, 0);
+ }
+ if (loadedVersion.isCompatibleTo(getCurrentVersion())) {
+ LOG.info("Storing RM state version info " + getCurrentVersion());
+ storeVersion();
+ } else {
+ throw new RMStateVersionIncompatibleException(
+ "Expecting RM state version " + getCurrentVersion()
+ + ", but loading version " + loadedVersion);
+ }
+ }
+
+ /**
+ * Derived class use this method to load the version information from state
+ * store.
+ */
+ protected abstract RMStateVersion loadVersion() throws Exception;
+
+ /**
+ * Derived class use this method to store the version information.
+ */
+ protected abstract void storeVersion() throws Exception;
+
+ /**
+ * Get the current version of the underlying state store.
+ */
+ protected abstract RMStateVersion getCurrentVersion();
+
/**
* Blocking API
* The derived class must recover state from the store and return a new
Modified: hadoop/common/branches/branch-2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/ZKRMStateStore.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/ZKRMStateStore.java?rev=1546230&r1=1546229&r2=1546230&view=diff
==============================================================================
--- hadoop/common/branches/branch-2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/ZKRMStateStore.java (original)
+++ hadoop/common/branches/branch-2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/ZKRMStateStore.java Wed Nov 27 23:23:01 2013
@@ -33,7 +33,6 @@ import org.apache.commons.logging.LogFac
import org.apache.hadoop.classification.InterfaceAudience.Private;
import org.apache.hadoop.classification.InterfaceStability.Unstable;
import org.apache.hadoop.conf.Configuration;
-import org.apache.hadoop.ha.HAServiceProtocol;
import org.apache.hadoop.io.DataInputByteBuffer;
import org.apache.hadoop.security.Credentials;
import org.apache.hadoop.security.token.delegation.DelegationKey;
@@ -41,16 +40,18 @@ import org.apache.hadoop.util.StringUtil
import org.apache.hadoop.util.ZKUtil;
import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
import org.apache.hadoop.yarn.api.records.ApplicationId;
-import org.apache.hadoop.yarn.client.RMHAServiceTarget;
import org.apache.hadoop.yarn.conf.HAUtil;
import org.apache.hadoop.yarn.conf.YarnConfiguration;
import org.apache.hadoop.yarn.exceptions.YarnRuntimeException;
import org.apache.hadoop.yarn.proto.YarnServerResourceManagerServiceProtos.ApplicationAttemptStateDataProto;
import org.apache.hadoop.yarn.proto.YarnServerResourceManagerServiceProtos.ApplicationStateDataProto;
+import org.apache.hadoop.yarn.proto.YarnServerResourceManagerServiceProtos.RMStateVersionProto;
import org.apache.hadoop.yarn.security.client.RMDelegationTokenIdentifier;
import org.apache.hadoop.yarn.server.resourcemanager.ResourceManager;
+import org.apache.hadoop.yarn.server.resourcemanager.recovery.records.RMStateVersion;
import org.apache.hadoop.yarn.server.resourcemanager.recovery.records.impl.pb.ApplicationAttemptStateDataPBImpl;
import org.apache.hadoop.yarn.server.resourcemanager.recovery.records.impl.pb.ApplicationStateDataPBImpl;
+import org.apache.hadoop.yarn.server.resourcemanager.recovery.records.impl.pb.RMStateVersionPBImpl;
import org.apache.hadoop.yarn.util.ConverterUtils;
import org.apache.zookeeper.CreateMode;
import org.apache.zookeeper.KeeperException;
@@ -64,9 +65,9 @@ import org.apache.zookeeper.ZooKeeper;
import org.apache.zookeeper.data.ACL;
import org.apache.zookeeper.data.Id;
import org.apache.zookeeper.data.Stat;
+import org.apache.zookeeper.server.auth.DigestAuthenticationProvider;
import com.google.common.annotations.VisibleForTesting;
-import org.apache.zookeeper.server.auth.DigestAuthenticationProvider;
@Private
@Unstable
@@ -74,7 +75,9 @@ public class ZKRMStateStore extends RMSt
public static final Log LOG = LogFactory.getLog(ZKRMStateStore.class);
- private static final String ROOT_ZNODE_NAME = "ZKRMStateRoot";
+ protected static final String ROOT_ZNODE_NAME = "ZKRMStateRoot";
+ protected static final RMStateVersion CURRENT_VERSION_INFO = RMStateVersion
+ .newInstance(1, 0);
private int numRetries;
private String zkHostPort = null;
@@ -302,6 +305,36 @@ public class ZKRMStateStore extends RMSt
}
@Override
+ protected RMStateVersion getCurrentVersion() {
+ return CURRENT_VERSION_INFO;
+ }
+
+ @Override
+ protected synchronized void storeVersion() throws Exception {
+ String versionNodePath = getNodePath(zkRootNodePath, VERSION_NODE);
+ byte[] data =
+ ((RMStateVersionPBImpl) CURRENT_VERSION_INFO).getProto().toByteArray();
+ if (zkClient.exists(versionNodePath, true) != null) {
+ setDataWithRetries(versionNodePath, data, -1);
+ } else {
+ createWithRetries(versionNodePath, data, zkAcl, CreateMode.PERSISTENT);
+ }
+ }
+
+ @Override
+ protected synchronized RMStateVersion loadVersion() throws Exception {
+ String versionNodePath = getNodePath(zkRootNodePath, VERSION_NODE);
+
+ if (zkClient.exists(versionNodePath, true) != null) {
+ byte[] data = getDataWithRetries(versionNodePath, true);
+ RMStateVersion version =
+ new RMStateVersionPBImpl(RMStateVersionProto.parseFrom(data));
+ return version;
+ }
+ return null;
+ }
+
+ @Override
public synchronized RMState loadState() throws Exception {
RMState rmState = new RMState();
// recover DelegationTokenSecretManager
Modified: hadoop/common/branches/branch-2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStoreTestBase.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStoreTestBase.java?rev=1546230&r1=1546229&r2=1546230&view=diff
==============================================================================
--- hadoop/common/branches/branch-2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStoreTestBase.java (original)
+++ hadoop/common/branches/branch-2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStoreTestBase.java Wed Nov 27 23:23:01 2013
@@ -58,6 +58,7 @@ import org.apache.hadoop.yarn.server.res
import org.apache.hadoop.yarn.server.resourcemanager.recovery.RMStateStore.ApplicationState;
import org.apache.hadoop.yarn.server.resourcemanager.recovery.RMStateStore.RMDTSecretManagerState;
import org.apache.hadoop.yarn.server.resourcemanager.recovery.RMStateStore.RMState;
+import org.apache.hadoop.yarn.server.resourcemanager.recovery.records.RMStateVersion;
import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMApp;
import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMAppState;
import org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.RMAppAttempt;
@@ -106,6 +107,8 @@ public class RMStateStoreTestBase extend
interface RMStateStoreHelper {
RMStateStore getRMStateStore() throws Exception;
boolean isFinalStateValid() throws Exception;
+ void writeVersion(RMStateVersion version) throws Exception;
+ RMStateVersion getCurrentVersion() throws Exception;
}
void waitNotify(TestDispatcher dispatcher) {
@@ -379,4 +382,37 @@ public class RMStateStoreTestBase extend
appToken.setService(new Text("appToken service"));
return appToken;
}
+
+ public void testCheckVersion(RMStateStoreHelper stateStoreHelper)
+ throws Exception {
+ RMStateStore store = stateStoreHelper.getRMStateStore();
+ store.setRMDispatcher(new TestDispatcher());
+
+ // default version
+ RMStateVersion defaultVersion = stateStoreHelper.getCurrentVersion();
+ store.checkVersion();
+ Assert.assertEquals(defaultVersion, store.loadVersion());
+
+ // compatible version
+ RMStateVersion compatibleVersion =
+ RMStateVersion.newInstance(defaultVersion.getMajorVersion(),
+ defaultVersion.getMinorVersion() + 2);
+ stateStoreHelper.writeVersion(compatibleVersion);
+ Assert.assertEquals(compatibleVersion, store.loadVersion());
+ store.checkVersion();
+ // overwrite the compatible version
+ Assert.assertEquals(defaultVersion, store.loadVersion());
+
+ // incompatible version
+ RMStateVersion incompatibleVersion =
+ RMStateVersion.newInstance(defaultVersion.getMajorVersion() + 2,
+ defaultVersion.getMinorVersion());
+ stateStoreHelper.writeVersion(incompatibleVersion);
+ try {
+ store.checkVersion();
+ Assert.fail("Invalid version, should fail.");
+ } catch (Throwable t) {
+ Assert.assertTrue(t instanceof RMStateVersionIncompatibleException);
+ }
+ }
}
Modified: hadoop/common/branches/branch-2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/TestFSRMStateStore.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/TestFSRMStateStore.java?rev=1546230&r1=1546229&r2=1546230&view=diff
==============================================================================
--- hadoop/common/branches/branch-2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/TestFSRMStateStore.java (original)
+++ hadoop/common/branches/branch-2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/TestFSRMStateStore.java Wed Nov 27 23:23:01 2013
@@ -32,6 +32,8 @@ import org.apache.hadoop.hdfs.HdfsConfig
import org.apache.hadoop.hdfs.MiniDFSCluster;
import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
import org.apache.hadoop.yarn.conf.YarnConfiguration;
+import org.apache.hadoop.yarn.server.resourcemanager.recovery.records.RMStateVersion;
+import org.apache.hadoop.yarn.server.resourcemanager.recovery.records.impl.pb.RMStateVersionPBImpl;
import org.apache.hadoop.yarn.util.ConverterUtils;
import org.junit.Test;
@@ -42,7 +44,7 @@ public class TestFSRMStateStore extends
class TestFSRMStateStoreTester implements RMStateStoreHelper {
Path workingDirPathURI;
- FileSystemRMStateStore store;
+ TestFileSystemRMStore store;
MiniDFSCluster cluster;
class TestFileSystemRMStore extends FileSystemRMStateStore {
@@ -54,6 +56,14 @@ public class TestFSRMStateStore extends
start();
Assert.assertNotNull(fs);
}
+
+ public Path getVersionNode() {
+ return new Path(new Path(workingDirPathURI, ROOT_DIR_NAME), VERSION_NODE);
+ }
+
+ public RMStateVersion getCurrentVersion() {
+ return CURRENT_VERSION_INFO;
+ }
}
public TestFSRMStateStoreTester(MiniDFSCluster cluster) throws Exception {
@@ -81,6 +91,17 @@ public class TestFSRMStateStore extends
FileStatus[] files = fs.listStatus(workingDirPathURI);
return files.length == 1;
}
+
+ @Override
+ public void writeVersion(RMStateVersion version) throws Exception {
+ store.updateFile(store.getVersionNode(), ((RMStateVersionPBImpl) version)
+ .getProto().toByteArray());
+ }
+
+ @Override
+ public RMStateVersion getCurrentVersion() throws Exception {
+ return store.getCurrentVersion();
+ }
}
@Test
@@ -113,6 +134,7 @@ public class TestFSRMStateStore extends
Assert.assertFalse(fileSystemRMStateStore.fsWorkingPath
.getFileSystem(conf).exists(tempAppAttemptFile));
testRMDTSecretManagerStateStore(fsTester);
+ testCheckVersion(fsTester);
} finally {
cluster.shutdown();
}
Modified: hadoop/common/branches/branch-2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/TestZKRMStateStore.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/TestZKRMStateStore.java?rev=1546230&r1=1546229&r2=1546230&view=diff
==============================================================================
--- hadoop/common/branches/branch-2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/TestZKRMStateStore.java (original)
+++ hadoop/common/branches/branch-2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/TestZKRMStateStore.java Wed Nov 27 23:23:01 2013
@@ -44,6 +44,8 @@ import org.apache.hadoop.yarn.conf.HAUti
import org.apache.hadoop.yarn.conf.YarnConfiguration;
import org.apache.hadoop.yarn.server.resourcemanager.ClientRMService;
import org.apache.hadoop.yarn.server.resourcemanager.ResourceManager;
+import org.apache.hadoop.yarn.server.resourcemanager.recovery.records.RMStateVersion;
+import org.apache.hadoop.yarn.server.resourcemanager.recovery.records.impl.pb.RMStateVersionPBImpl;
import org.apache.zookeeper.ZooKeeper;
import org.junit.Test;
@@ -54,7 +56,7 @@ public class TestZKRMStateStore extends
class TestZKRMStateStoreTester implements RMStateStoreHelper {
ZooKeeper client;
- ZKRMStateStore store;
+ TestZKRMStateStoreInternal store;
class TestZKRMStateStoreInternal extends ZKRMStateStore {
@@ -69,6 +71,14 @@ public class TestZKRMStateStore extends
public ZooKeeper getNewZooKeeper() throws IOException {
return client;
}
+
+ public String getVersionNode() {
+ return znodeWorkingPath + "/" + ROOT_ZNODE_NAME + "/" + VERSION_NODE;
+ }
+
+ public RMStateVersion getCurrentVersion() {
+ return CURRENT_VERSION_INFO;
+ }
}
public RMStateStore getRMStateStore() throws Exception {
@@ -86,6 +96,17 @@ public class TestZKRMStateStore extends
List<String> nodes = client.getChildren(store.znodeWorkingPath, false);
return nodes.size() == 1;
}
+
+ @Override
+ public void writeVersion(RMStateVersion version) throws Exception {
+ client.setData(store.getVersionNode(), ((RMStateVersionPBImpl) version)
+ .getProto().toByteArray(), -1);
+ }
+
+ @Override
+ public RMStateVersion getCurrentVersion() throws Exception {
+ return store.getCurrentVersion();
+ }
}
@Test
@@ -93,6 +114,7 @@ public class TestZKRMStateStore extends
TestZKRMStateStoreTester zkTester = new TestZKRMStateStoreTester();
testRMAppStateStore(zkTester);
testRMDTSecretManagerStateStore(zkTester);
+ testCheckVersion(zkTester);
}
private Configuration createHARMConf(