Repository: incubator-hawq
Updated Branches:
  refs/heads/master dada9ba99 -> decbe0deb


HAWQ-966. Adjust libyarn output log messages.
          Change some log message level to DEBUG1.
          Property 'yarn.client.log.severity' in yarn-client.xml can
                  be used to change the output log level, default value is 
'INFO',
                  others can be 'DEBUG1', 'WARNING', etc.


Project: http://git-wip-us.apache.org/repos/asf/incubator-hawq/repo
Commit: http://git-wip-us.apache.org/repos/asf/incubator-hawq/commit/decbe0de
Tree: http://git-wip-us.apache.org/repos/asf/incubator-hawq/tree/decbe0de
Diff: http://git-wip-us.apache.org/repos/asf/incubator-hawq/diff/decbe0de

Branch: refs/heads/master
Commit: decbe0debdd024f759b06f83fb181a67d934c75e
Parents: dada9ba
Author: Wen Lin <w...@pivotal.io>
Authored: Mon Aug 1 10:22:25 2016 +0800
Committer: Wen Lin <w...@pivotal.io>
Committed: Mon Aug 1 10:22:25 2016 +0800

----------------------------------------------------------------------
 .../src/libyarnclient/ApplicationClient.cpp     |  13 +-
 .../src/libyarnclient/ApplicationMaster.cpp     |  13 +-
 .../src/libyarnclient/ContainerManagement.cpp   |   8 +-
 .../libyarn/src/libyarnclient/LibYarnClient.cpp | 965 ++++++++++---------
 4 files changed, 506 insertions(+), 493 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/incubator-hawq/blob/decbe0de/depends/libyarn/src/libyarnclient/ApplicationClient.cpp
----------------------------------------------------------------------
diff --git a/depends/libyarn/src/libyarnclient/ApplicationClient.cpp 
b/depends/libyarn/src/libyarnclient/ApplicationClient.cpp
index 64acbe9..819514f 100644
--- a/depends/libyarn/src/libyarnclient/ApplicationClient.cpp
+++ b/depends/libyarn/src/libyarnclient/ApplicationClient.cpp
@@ -50,7 +50,7 @@ std::vector<RMInfo> RMInfo::getHARMInfo(const Yarn::Config & 
conf, const char* n
             retval[i].setPort(rm[1]);
         }
     } catch (const Yarn::YarnConfigNotFound &e) {
-        LOG(INFO, "Yarn RM HA is not configured.");
+        LOG(DEBUG1, "Yarn RM HA is not configured.");
     }
 
     return retval;
@@ -63,6 +63,7 @@ ApplicationClient::ApplicationClient(string &user, string 
&host, string &port) {
 
     Yarn::Internal::shared_ptr<Yarn::Config> conf = 
DefaultConfig().getConfig();
     Yarn::Internal::SessionConfig sessionConfig(*conf);
+    RootLogger.setLogSeverity(sessionConfig.getLogSeverity());
     LOG(INFO, "ApplicationClient session auth method : %s",
             sessionConfig.getRpcAuthMethod().c_str());
 
@@ -135,7 +136,7 @@ std::shared_ptr<ApplicationClientProtocol>
     ApplicationClient::getActiveAppClientProto(uint32_t & oldValue) {
     lock_guard<mutex> lock(this->mut);
 
-    LOG(INFO, "ApplicationClient::getActiveAppClientProto is called.");
+    LOG(DEBUG2, "ApplicationClient::getActiveAppClientProto is called.");
 
     if (appClientProtos.empty()) {
         LOG(WARNING, "The vector of ApplicationClientProtocol is empty.");
@@ -143,7 +144,8 @@ std::shared_ptr<ApplicationClientProtocol>
     }
 
     oldValue = currentAppClientProto;
-    LOG(INFO, "ApplicationClient::getActiveAppClientProto, current is %d.", 
currentAppClientProto);
+    LOG(DEBUG1, "ApplicationClient::getActiveAppClientProto, current is %d.",
+            currentAppClientProto);
     return appClientProtos[currentAppClientProto % appClientProtos.size()];
 }
 
@@ -156,12 +158,13 @@ void 
ApplicationClient::failoverToNextAppClientProto(uint32_t oldValue){
 
     ++currentAppClientProto;
     currentAppClientProto = currentAppClientProto % appClientProtos.size();
-    LOG(INFO, "ApplicationClient::failoverToNextAppClientProto, current is 
%d.", currentAppClientProto);
+    LOG(INFO, "ApplicationClient::failoverToNextAppClientProto, current is 
%d.",
+            currentAppClientProto);
 }
 
 static void HandleYarnFailoverException(const Yarn::YarnFailoverException & e) 
{
     try {
-               Yarn::rethrow_if_nested(e);
+        Yarn::rethrow_if_nested(e);
     } catch (...) {
         NESTED_THROW(Yarn::YarnRpcException, "%s", e.what());
     }

http://git-wip-us.apache.org/repos/asf/incubator-hawq/blob/decbe0de/depends/libyarn/src/libyarnclient/ApplicationMaster.cpp
----------------------------------------------------------------------
diff --git a/depends/libyarn/src/libyarnclient/ApplicationMaster.cpp 
b/depends/libyarn/src/libyarnclient/ApplicationMaster.cpp
index 08d8cdb..964ac0e 100644
--- a/depends/libyarn/src/libyarnclient/ApplicationMaster.cpp
+++ b/depends/libyarn/src/libyarnclient/ApplicationMaster.cpp
@@ -86,8 +86,9 @@ ApplicationMaster::ApplicationMaster(string &schedHost, 
string &schedPort,
                 std::shared_ptr<ApplicationMasterProtocol>(
                     new ApplicationMasterProtocol(rmInfos[i].getHost(),
                         rmInfos[i].getPort(), tokenService, sessionConfig, 
rpcAuth)));
-            LOG(INFO, "ApplicationMaster finds a candidate RM scheduler, 
host:%s, port:%s",
-                      rmInfos[i].getHost().c_str(), 
rmInfos[i].getPort().c_str());
+            LOG(INFO,
+                    "ApplicationMaster finds a candidate RM scheduler, 
host:%s, port:%s",
+                    rmInfos[i].getHost().c_str(), 
rmInfos[i].getPort().c_str());
         }
     }
     currentAppMasterProto = 0;
@@ -111,7 +112,8 @@ std::shared_ptr<ApplicationMasterProtocol>
     }
 
     oldValue = currentAppMasterProto;
-    LOG(INFO, "ApplicationMaster::getActiveAppMasterProto, current is %d.", 
currentAppMasterProto);
+    LOG(DEBUG2, "ApplicationMaster::getActiveAppMasterProto, current is %d.",
+            currentAppMasterProto);
     return appMasterProtos[currentAppMasterProto % appMasterProtos.size()];
 }
 
@@ -124,12 +126,13 @@ void 
ApplicationMaster::failoverToNextAppMasterProto(uint32_t oldValue){
 
     ++currentAppMasterProto;
     currentAppMasterProto = currentAppMasterProto % appMasterProtos.size();
-    LOG(INFO, "ApplicationMaster::failoverToNextAppMasterProto, current is 
%d.", currentAppMasterProto);
+    LOG(INFO, "ApplicationMaster::failoverToNextAppMasterProto, current is 
%d.",
+            currentAppMasterProto);
 }
 
 static void HandleYarnFailoverException(const Yarn::YarnFailoverException & e) 
{
     try {
-               Yarn::rethrow_if_nested(e);
+        Yarn::rethrow_if_nested(e);
     } catch (...) {
         NESTED_THROW(Yarn::YarnRpcException, "%s", e.what());
     }

http://git-wip-us.apache.org/repos/asf/incubator-hawq/blob/decbe0de/depends/libyarn/src/libyarnclient/ContainerManagement.cpp
----------------------------------------------------------------------
diff --git a/depends/libyarn/src/libyarnclient/ContainerManagement.cpp 
b/depends/libyarn/src/libyarnclient/ContainerManagement.cpp
index 915f518..b999988 100644
--- a/depends/libyarn/src/libyarnclient/ContainerManagement.cpp
+++ b/depends/libyarn/src/libyarnclient/ContainerManagement.cpp
@@ -67,7 +67,7 @@ StartContainerResponse 
ContainerManagement::startContainer(Container &container,
        oss << container.getNodeId().getPort();
        string port(oss.str());
 
-       LOG(INFO,
+       LOG(DEBUG1,
                        "ContainerManagement::startContainer, is going to 
connect to NM [%s:%s] to start container",
                        host.c_str(), port.c_str());
 
@@ -101,7 +101,7 @@ StartContainerResponse 
ContainerManagement::startContainer(Container &container,
        StartContainerResponse scResponse;
        scResponse.setServicesMetaData(scsResponse.getServicesMetaData());
 
-       LOG(INFO,
+       LOG(DEBUG1,
                        "ContainerManagement::startContainer, after start a 
container, id:%ld on NM [%s:%s]",
                        container.getId().getId(), host.c_str(), port.c_str());
 
@@ -131,7 +131,7 @@ void ContainerManagement::stopContainer(Container 
&container, Token &nmToken) {
        oss << container.getNodeId().getPort();
        string port(oss.str());
 
-       LOG(INFO,
+       LOG(DEBUG1,
                        "ContainerManagement::stopContainer, is going to 
connect to NM [%s:%s] to stop container",
                        host.c_str(), port.c_str());
 
@@ -174,7 +174,7 @@ ContainerStatus 
ContainerManagement::getContainerStatus(Container &container,
        oss << container.getNodeId().getPort();
        string port(oss.str());
 
-       LOG(INFO,
+       LOG(DEBUG1,
                        "ContainerManagement, is going to connect to NM [%s:%s] 
to getContainerStatus container",
                        host.c_str(), port.c_str());
 

http://git-wip-us.apache.org/repos/asf/incubator-hawq/blob/decbe0de/depends/libyarn/src/libyarnclient/LibYarnClient.cpp
----------------------------------------------------------------------
diff --git a/depends/libyarn/src/libyarnclient/LibYarnClient.cpp 
b/depends/libyarn/src/libyarnclient/LibYarnClient.cpp
index 823d116..5fa91e7 100644
--- a/depends/libyarn/src/libyarnclient/LibYarnClient.cpp
+++ b/depends/libyarn/src/libyarnclient/LibYarnClient.cpp
@@ -37,132 +37,130 @@ using namespace Yarn::Internal;
 namespace libyarn {
 
 LibYarnClient::LibYarnClient(string &user, string &rmHost, string &rmPort,
-               string &schedHost, string &schedPort, string &amHost,
-               int32_t amPort, string &am_tracking_url,int heartbeatInterval) :
-               amUser(user), schedHost(schedHost), schedPort(schedPort), 
amHost(amHost),
-               amPort(amPort), am_tracking_url(am_tracking_url),
-               
heartbeatInterval(heartbeatInterval),response_id(0),clientJobId(""),
-               keepRun(false), needHeartbeatAlive(false){
-        pthread_mutex_init( &(heartbeatLock), NULL );
-
-               amrmClient = NULL;
-               appClient = (void*) new ApplicationClient(user, rmHost, rmPort);
-               nmClient = (void*) new ContainerManagement();
+        string &schedHost, string &schedPort, string &amHost, int32_t amPort,
+        string &am_tracking_url, int heartbeatInterval) :
+        amUser(user), schedHost(schedHost), schedPort(schedPort), amHost(
+        amHost), amPort(amPort), am_tracking_url(am_tracking_url), 
heartbeatInterval(
+        heartbeatInterval), response_id(0), clientJobId(""), keepRun(
+        false), needHeartbeatAlive(false) {
+    pthread_mutex_init(&(heartbeatLock), NULL);
+    amrmClient = NULL;
+    appClient = (void*) new ApplicationClient(user, rmHost, rmPort);
+    nmClient = (void*) new ContainerManagement();
 }
 #ifdef MOCKTEST
 LibYarnClient::LibYarnClient(string &user,string &rmHost, string &rmPort, 
string &schedHost,
-               string &schedPort, string &amHost, int32_t amPort,
-               string &am_tracking_url, int 
heartbeatInterval,Mock::TestLibYarnClientStub *stub):
-               amUser(user),schedHost(schedHost), schedPort(schedPort), 
amHost(amHost),
-               amPort(amPort), am_tracking_url(am_tracking_url),
-               heartbeatInterval(heartbeatInterval),clientJobId(""),
-               keepRun(false), needHeartbeatAlive(false){
-               pthread_mutex_init( &(heartbeatLock), NULL );
-               libyarnStub = stub;
-               appClient = (void*) libyarnStub->getApplicationClient();
-               amrmClient = (void*) libyarnStub->getApplicationMaster();
-               nmClient = (void*) libyarnStub->getContainerManagement();
+        string &schedPort, string &amHost, int32_t amPort,
+        string &am_tracking_url, int 
heartbeatInterval,Mock::TestLibYarnClientStub *stub):
+        amUser(user),schedHost(schedHost), schedPort(schedPort), 
amHost(amHost),
+        amPort(amPort), am_tracking_url(am_tracking_url),
+        heartbeatInterval(heartbeatInterval),clientJobId(""),
+        keepRun(false), needHeartbeatAlive(false) {
+    pthread_mutex_init( &(heartbeatLock), NULL );
+    libyarnStub = stub;
+    appClient = (void*) libyarnStub->getApplicationClient();
+    amrmClient = (void*) libyarnStub->getApplicationMaster();
+    nmClient = (void*) libyarnStub->getContainerManagement();
 }
 #endif
 
 LibYarnClient::~LibYarnClient() {
 #ifndef MOCKTEST
-       if ( keepRun ) {
-               // No need to run heart-beat thread now.
-               keepRun = false;
-               void *thrc = NULL;
-               int rc = pthread_join(heartbeatThread, &thrc);
-               if ( rc != 0 ) {
-                       LOG(INFO, "LibYarnClient::~LibYarnClient, fail to join 
heart-beat thread. "
-                                               "error code %d", rc);
-               }
-               else {
-                       LOG(INFO, "LibYarnClient::~LibYarnClient, join 
heart-beat thread successfully.");
-               }
-       }
+    if (keepRun) {
+        // No need to run heart-beat thread now.
+        keepRun = false;
+        void *thrc = NULL;
+        int rc = pthread_join(heartbeatThread, &thrc);
+        if (rc != 0) {
+            LOG(DEBUG1, "LibYarnClient::~LibYarnClient, fail to join 
heart-beat thread. "
+                        "error code %d", rc);
+        } else {
+            LOG(DEBUG1, "LibYarnClient::~LibYarnClient, join heart-beat thread 
successfully.");
+        }
+    }
 #endif
-       if (amrmClient != NULL){
-               delete (ApplicationMaster*)amrmClient;
-       }
-       delete (ApplicationClient*)appClient;
-       delete (ContainerManagement*)nmClient;
+    if (amrmClient != NULL) {
+        delete (ApplicationMaster*) amrmClient;
+    }
+    delete (ApplicationClient*) appClient;
+    delete (ContainerManagement*) nmClient;
 }
 
 string LibYarnClient::getErrorMessage() {
     return errorMessage;
 }
 
-void LibYarnClient::setErrorMessage(string errorMsg){
+void LibYarnClient::setErrorMessage(string errorMsg) {
     errorMessage = errorMsg;
 }
 
 bool LibYarnClient::isJobHealthy() {
-       return keepRun;
+    return keepRun;
 }
 
 list<ResourceRequest>& LibYarnClient::getAskRequests() {
-       return askRequests;
+    return askRequests;
 }
 
 void LibYarnClient::clearAskRequests() {
-       LOG(INFO, "LibYarnClient::clear ask requests.");
-       askRequests.clear();
+    LOG(DEBUG1, "LibYarnClient::clear ask requests.");
+    askRequests.clear();
 }
 
 void* heartbeatFunc(void* args) {
-       int failcounter = 0;
-       int retry = 2;
-       LibYarnClient *client = (LibYarnClient*)args;
-
-       while (client->keepRun) {
-               try {
-                       client->dummyAllocate();
-                       failcounter = 0;
-               } catch (const ApplicationMasterNotRegisteredException &e) {
-                       /*
-                        * In case catch this exception,
-                        * heartbeat thread should exits, and re-register AM.
-                        */
-                       LOG(WARNING, "LibYarnClient::heartbeatFunc, dummy 
allocation "
-                                                "catch 
ApplicationMasterNotRegisteredException. %s",
-                                                e.msg());
-                       client->keepRun = false;
-                       break;
-               } catch (const YarnException &e) {
-                       LOG(WARNING, "LibYarnClient::heartbeatFunc, dummy 
allocation "
-                                                "is not correctly executed 
with exception raised. %s",
-                                                e.msg());
-                       failcounter++;
-                       if ( failcounter > retry ) {
-                               /* In case retry too many times with 
errors/exceptions, this
-                                * thread will return. LibYarn has to 
re-register application
-                                * and start the heartbeat thread again.
-                                */
-                               LOG(WARNING, "LibYarnClient::heartbeatFunc, 
there are too many "
-                                                    "failures raised. This 
heart-beat thread exits now.");
-                               client->keepRun = false;
-                               break;
-                       }
-               }
-               usleep((client->heartbeatInterval) * 1000);
-       }
-
-       LOG(INFO, "LibYarnClient::heartbeatFunc, goes into exit phase.");
-       return (void *)0;
+    int failcounter = 0;
+    int retry = 2;
+    LibYarnClient *client = (LibYarnClient*) args;
+
+    while (client->keepRun) {
+        try {
+            client->dummyAllocate();
+            failcounter = 0;
+        } catch (const ApplicationMasterNotRegisteredException &e) {
+            /*
+             * In case catch this exception,
+             * heartbeat thread should exits, and re-register AM.
+             */
+            LOG(WARNING, "LibYarnClient::heartbeat dummy allocation "
+                         "catch ApplicationMasterNotRegisteredException. %s",
+                         e.msg());
+            client->keepRun = false;
+            break;
+        } catch (const YarnException &e) {
+            LOG(WARNING, "LibYarnClient::heartbeat dummy allocation "
+                         "is not correctly executed with exception raised. %s",
+                         e.msg());
+            failcounter++;
+            if (failcounter > retry) {
+                /* In case retry too many times with errors/exceptions, this
+                 * thread will return. LibYarn has to re-register application
+                 * and start the heartbeat thread again.
+                 */
+                LOG(WARNING, "LibYarnClient::heartbeatFunc, there are too many 
"
+                             "failures raised. This heart-beat thread exits 
now.");
+                client->keepRun = false;
+                break;
+            }
+        }
+        usleep((client->heartbeatInterval) * 1000);
+    }
+
+    LOG(INFO, "LibYarnClient::heartbeatFunc, goes into exit phase.");
+    return (void *) 0;
 }
 
-int LibYarnClient::createJob(string &jobName, string &queue,string &jobId) {
-    try{
-       //Only one jobId for the client right now.
-       if (clientJobId != ""){
-               throw std::invalid_argument( "Exist an application for the 
client");
-       }
-        ApplicationClient *applicationClient = (ApplicationClient*)appClient;
+int LibYarnClient::createJob(string &jobName, string &queue, string &jobId) {
+    try {
+        //Only one jobId for the client right now.
+        if (clientJobId != ""){
+            throw std::invalid_argument( "Exist an application for the 
client");
+        }
+        ApplicationClient *applicationClient = (ApplicationClient*) appClient;
 
         //1. getNewApplication
         ApplicationId appId = applicationClient->getNewApplication();
-        LOG(INFO, "LibYarnClient::createJob, getNewApplication finished, 
appId:[clusterTimeStamp:%lld,id:%d]",
-                appId.getClusterTimestamp(), appId.getId());
+        LOG(DEBUG1, "LibYarnClient::createJob, getNewApplication finished, 
appId:[clusterTimeStamp:%lld,id:%d]",
+                    appId.getClusterTimestamp(), appId.getId());
 
         //2. submitApplication
         ApplicationSubmissionContext appSubmitCtx;
@@ -180,16 +178,17 @@ int LibYarnClient::createJob(string &jobName, string 
&queue,string &jobId) {
         appSubmitCtx.setMaxAppAttempts(1);
 
         applicationClient->submitApplication(appSubmitCtx);
-        LOG(INFO, "LibYarnClient::createJob, submitApplication finished");
+        LOG(DEBUG1, "LibYarnClient::createJob, submitApplication finished");
 
         //3. wait util AM is ACCEPTED and return the AMRMToken
         ApplicationReport report;
         int retry = 10;
         while (retry > 0) {
             report = applicationClient->getApplicationReport(appId);
-            LOG(INFO,"LibYarnClient::createJob, 
appId[cluster_timestamp:%lld,id:%d], appState:%d",
-                    appId.getClusterTimestamp(), appId.getId(), 
report.getYarnApplicationState());
-            if ((report.getAMRMToken().getPassword() != "") && 
report.getYarnApplicationState() == YarnApplicationState::ACCEPTED) {
+            LOG(DEBUG1, "LibYarnClient::createJob, 
appId[cluster_timestamp:%lld,id:%d], appState:%d",
+                        appId.getClusterTimestamp(), appId.getId(), 
report.getYarnApplicationState());
+            if ((report.getAMRMToken().getPassword() != "") &&
+                    report.getYarnApplicationState() == 
YarnApplicationState::ACCEPTED) {
                 break;
             } else {
                 retry--;
@@ -205,20 +204,21 @@ int LibYarnClient::createJob(string &jobName, string 
&queue,string &jobId) {
         //4.1 new ApplicationMaster
         Token token = report.getAMRMToken();
         UserInfo user;
-        if (applicationClient->getMethod() == SIMPLE)
-                       user = UserInfo::LocalUser();
-               else if (applicationClient->getMethod() == KERBEROS) {
-                       
user.setEffectiveUser(applicationClient->getPrincipal());
-                       user.setRealUser(applicationClient->getUser());
-               } else {
-                       LOG(WARNING, "LibYarnClient::createJob: unsupported RPC 
method:%d. ", applicationClient->getMethod());
-               }
-
-               Yarn::Token AMToken;
-               AMToken.setIdentifier(token.getIdentifier());
-               AMToken.setKind(token.getKind());
-               AMToken.setPassword(token.getPassword());
-               AMToken.setService(token.getService());
+        if (applicationClient->getMethod() == SIMPLE) {
+            user = UserInfo::LocalUser();
+        } else if (applicationClient->getMethod() == KERBEROS) {
+            user.setEffectiveUser(applicationClient->getPrincipal());
+            user.setRealUser(applicationClient->getUser());
+        } else {
+            LOG(WARNING, "LibYarnClient::createJob: unsupported RPC method:%d. 
",
+                         applicationClient->getMethod());
+        }
+
+        Yarn::Token AMToken;
+        AMToken.setIdentifier(token.getIdentifier());
+        AMToken.setKind(token.getKind());
+        AMToken.setPassword(token.getPassword());
+        AMToken.setService(token.getService());
 
         user.addToken(AMToken);
 #ifndef MOCKTEST
@@ -227,60 +227,60 @@ int LibYarnClient::createJob(string &jobName, string 
&queue,string &jobId) {
 #endif
 
         //4.2 register to RM scheduler as AM
-        ((ApplicationMaster*) amrmClient)->registerApplicationMaster(amHost, 
amPort,am_tracking_url);
-        LOG(INFO, "LibYarnClient::createJob, registerApplicationMaster 
finished");
+        ((ApplicationMaster*) amrmClient)->registerApplicationMaster(amHost, 
amPort, am_tracking_url);
+        LOG(DEBUG1, "LibYarnClient::createJob, registerApplicationMaster 
finished");
 
 #ifndef MOCKTEST
         keepRun = true;
         //5. setup the heartbeat thread to allocate, release, heartbeat
         int rc = pthread_create(&heartbeatThread, NULL, heartbeatFunc, this);
-        if ( rc != 0 ) {
+        if (rc != 0) {
             keepRun = false;
-            LOG(INFO, "LibYarnClient::createJob, fail to create heart-beat 
thread. "
-                      "error code %d", rc);
-            throw std::runtime_error( "Fail to create heart-beat thread.");
+            LOG(WARNING, "LibYarnClient::createJob, fail to create heart-beat 
thread. "
+                         "error code %d", rc);
+            throw std::runtime_error("Fail to create heart-beat thread.");
         }
         needHeartbeatAlive = true;
 #endif
 
-        LOG(INFO,"LibYarnClient::createJob, after AM register to RM, a 
heartbeat thread has been started");
+        LOG(DEBUG1, "LibYarnClient::createJob, after AM register to RM, a 
heartbeat thread has been started");
         //6. return jobId
         stringstream ss;
         ss << "job_" << appId.getClusterTimestamp() << "_" << appId.getId();
         jobId = ss.str();
 
-       LOG(INFO,"LibYarnClient::createJob, 
appId[cluster_timestamp:%lld,id:%d]",
-                               clientAppId.getClusterTimestamp(), 
clientAppId.getId());
+        LOG(INFO, "LibYarnClient::createJob, 
appId[cluster_timestamp:%lld,id:%d]",
+                  clientAppId.getClusterTimestamp(), clientAppId.getId());
         clientJobId = jobId;
         return FR_SUCCEEDED;
     } catch (const YarnNetworkConnectException &e) {
-       stringstream errorMsg;
-               errorMsg << "LibYarnClient::createJob, catch network connection 
exception:" << e.what();
-               setErrorMessage(errorMsg.str());
-               return FR_FAILED;
-       } catch (const std::exception &e) {
+        stringstream errorMsg;
+        errorMsg << "LibYarnClient::createJob, catch network connection 
exception:" << e.what();
+        setErrorMessage(errorMsg.str());
+        return FR_FAILED;
+    } catch (const std::exception &e) {
         stringstream errorMsg;
         errorMsg << "LibYarnClient::createJob, catch exception:" << e.what();
         setErrorMessage(errorMsg.str());
         return FR_FAILED;
     } catch (...) {
-       stringstream errorMsg;
-               errorMsg << "LibYarnClient::createJob, catch unexpected 
exception.";
-               setErrorMessage(errorMsg.str());
-               return FR_FAILED;
+        stringstream errorMsg;
+        errorMsg << "LibYarnClient::createJob, catch unexpected exception.";
+        setErrorMessage(errorMsg.str());
+        return FR_FAILED;
     }
 }
 
 int LibYarnClient::forceKillJob(string &jobId) {
 
 #ifndef MOCKTEST
-    if ( keepRun ) {
+    if (keepRun) {
         keepRun = false;
         void *thrc = NULL;
         int rc = pthread_join(heartbeatThread, &thrc);
-        if ( rc != 0 ) {
-            LOG(INFO, "LibYarnClient::forceKillJob, fail to join heart-beat 
thread. "
-                      "error code %d", rc);
+        if (rc != 0) {
+            LOG(WARNING, "LibYarnClient::forceKillJob, fail to join heart-beat 
thread. "
+                         "error code %d", rc);
             return FR_FAILED;
         } else {
             LOG(INFO, "LibYarnClient::forceKillJob, join heart-beat thread 
successfully.");
@@ -294,27 +294,30 @@ int LibYarnClient::forceKillJob(string &jobId) {
         }
 
         needHeartbeatAlive = false;
-        for (map<int64_t,Container*>::iterator it = jobIdContainers.begin(); 
it != jobIdContainers. end(); it++) {
+        for (map<int64_t, Container*>::iterator it = jobIdContainers.begin();
+                it != jobIdContainers.end(); it++) {
             ostringstream key;
             Container *container = it->second;
             key << container->getNodeId().getHost() << ":" << 
container->getNodeId().getPort();
             Token nmToken = nmTokenCache[key.str()];
-            ((ContainerManagement*)nmClient)->stopContainer((*container), 
nmToken);
-            LOG(INFO,"LibYarnClient::forceKillJob, container:%ld is 
stopped",container->getId().getId());
+            ((ContainerManagement*) nmClient)->stopContainer((*container), 
nmToken);
+            LOG(DEBUG1, "LibYarnClient::forceKillJob, container:%ld is 
stopped",container->getId().getId());
         }
 
         ((ApplicationClient*) appClient)->forceKillApplication(clientAppId);
-        LOG(INFO, "LibYarnClient::forceKillJob, forceKillApplication");
+        LOG(INFO, "LibYarnClient::force to kill this application.");
 
-        for (map<int64_t,Container*>::iterator it = jobIdContainers.begin(); 
it != jobIdContainers.end(); it++) {
-            LOG(INFO,"LibYarnClient::forceKillJob, container:%ld in 
jobIdContainers is deleted",it->second->getId().getId());
+        for (map<int64_t,Container*>::iterator it = jobIdContainers.begin();
+                it != jobIdContainers.end(); it++) {
+            LOG(DEBUG1, "LibYarnClient::forceKillJob, container:%ld in 
jobIdContainers is deleted",
+                      it->second->getId().getId());
             delete it->second;
             it->second = NULL;
         }
         jobIdContainers.clear();
         activeFailContainerIds.clear();
         return FR_SUCCEEDED;
-    } catch(std::exception& e){
+    } catch (std::exception& e) {
         stringstream errorMsg;
         errorMsg << "LibYarnClient::forceKillJob, catch the exception:" << 
e.what();
         setErrorMessage(errorMsg.str());
@@ -331,82 +334,77 @@ int LibYarnClient::forceKillJob(string &jobId) {
 void LibYarnClient::dummyAllocate() {
 
     pthread_mutex_lock(&heartbeatLock);
-       ApplicationMaster* amrmClientAlias = (ApplicationMaster*) amrmClient;
-
-       //1) requestProto_blank
-       list<ResourceRequest> asksBlank;
-       //2) releasesBlank
-       list<ContainerId> releasesBlank;
-       //3) blacklistRequestBlank
-       ResourceBlacklistRequest blacklistRequestBlank;
-       //4) progress
-       float progress = 0.5;
-       int allocatedNum = 0;
-
-       try {
-               LOG(INFO, "LibYarnClient::dummyAllocate, do a AM-RM heartbeat 
with response_id:%d", response_id);
-               AllocateResponse response = amrmClientAlias->allocate(asksBlank,
-                                                                               
                                          releasesBlank,
-                                                                               
                                          blacklistRequestBlank,
-                                                                               
                                          response_id,
-                                                                               
                                          progress);
-               response_id = response.getResponseId();
-               list<Container> allocatedContainers = 
response.getAllocatedContainers();
-               allocatedNum = allocatedContainers.size();
-               LOG(INFO,"LibYarnClient::dummyAllocate returned response_id 
:%d", response_id);
-               if (allocatedNum > 0) {
-                       /*
-                        * In rare case, client gets allocated containers in 
heartbeat,
-                        * free them immediately.
-                        */
-                       LOG(INFO, "LibYarnClient::dummyAllocate returned 
allocated size: %d, "
-                                         "free them immediately.", 
allocatedNum);
-                       list<ContainerId> releases;
-                       for (list<Container>::iterator it = 
allocatedContainers.begin();
-                                it != allocatedContainers.end(); it++) {
-                               releases.push_back((*it).getId());
-                       }
-                       list<ResourceRequest> asksBlank;
-                       ResourceBlacklistRequest blacklistRequestBlank;
-                       response = amrmClientAlias->allocate(asksBlank, 
releases,
-                                                                               
                 blacklistRequestBlank, response_id, progress);
-                       response_id = response.getResponseId();
-               }
-               pthread_mutex_unlock(&heartbeatLock);
-       }
-       catch (const YarnException &e) {
-               LOG(WARNING, "LibYarnClient::dummyAllocate, dummy allocation "
-                                        "is not correctly executed with 
exception raised. %s",
-                                        e.msg());
-               pthread_mutex_unlock(&heartbeatLock);
-               throw;
-       }
+    ApplicationMaster* amrmClientAlias = (ApplicationMaster*) amrmClient;
+
+    //1) requestProto_blank
+    list<ResourceRequest> asksBlank;
+    //2) releasesBlank
+    list<ContainerId> releasesBlank;
+    //3) blacklistRequestBlank
+    ResourceBlacklistRequest blacklistRequestBlank;
+    //4) progress
+    float progress = 0.5;
+    int allocatedNum = 0;
+
+    try {
+        LOG(DEBUG1, "LibYarnClient::dummyAllocate, do a AM-RM heartbeat with 
response_id:%d", response_id);
+        AllocateResponse response = amrmClientAlias->allocate(asksBlank,
+                releasesBlank, blacklistRequestBlank, response_id, progress);
+        response_id = response.getResponseId();
+        list<Container> allocatedContainers = 
response.getAllocatedContainers();
+        allocatedNum = allocatedContainers.size();
+        LOG(DEBUG1, "LibYarnClient::dummyAllocate returned response_id :%d", 
response_id);
+        if (allocatedNum > 0) {
+            /*
+             * In rare case, client gets allocated containers in heartbeat,
+             * free them immediately.
+             */
+            LOG(DEBUG1, "LibYarnClient::dummyAllocate returned allocated size: 
%d, "
+                        "free them immediately.", allocatedNum);
+            list<ContainerId> releases;
+            for (list<Container>::iterator it = allocatedContainers.begin();
+                 it != allocatedContainers.end(); it++) {
+                releases.push_back((*it).getId());
+            }
+            list<ResourceRequest> asksBlank;
+            ResourceBlacklistRequest blacklistRequestBlank;
+            response = amrmClientAlias->allocate(asksBlank, releases,
+                    blacklistRequestBlank, response_id, progress);
+            response_id = response.getResponseId();
+        }
+        pthread_mutex_unlock(&heartbeatLock);
+    }
+    catch (const YarnException &e) {
+        LOG(WARNING, "LibYarnClient::dummyAllocate, dummy allocation "
+                     "is not correctly executed with exception raised. %s",
+                     e.msg());
+        pthread_mutex_unlock(&heartbeatLock);
+        throw;
+    }
 }
 
 void LibYarnClient::addResourceRequest(Resource capability,
-                                                                         
int32_t num_containers,
-                                                                         
string host,
-                                                                         
int32_t priority,
-                                                                         bool 
relax_locality)
+        int32_t num_containers, string host, int32_t priority,
+        bool relax_locality)
 {
-       ResourceRequest *req = new ResourceRequest();
-       req->setCapability(capability);
-       req->setNumContainers(num_containers);
-       Priority priorityProto;
-       priorityProto.setPriority(priority);
-       req->setPriority(priorityProto);
-       req->setResourceName(host);
-       req->setRelaxLocality(relax_locality);
-       try {
-               askRequests.push_back(*req);
-               LOG(INFO, "LibYarnClient::put a request into ask list, "
-                                 "mem:%d, cpu:%d, priority:%d, resource 
name:%s, relax:%d, num_containers:%d",
-                                 capability.getMemory(), 
capability.getVirtualCores(), priority, host.c_str(),
-                                 relax_locality, num_containers);
-       } catch (std::exception &e) {
-               LOG(WARNING, "LibYarnClient::Fail to add a resource request "
-                                        "to ask list. %s ", e.what());
-       }
+    ResourceRequest *req = new ResourceRequest();
+    req->setCapability(capability);
+    req->setNumContainers(num_containers);
+    Priority priorityProto;
+    priorityProto.setPriority(priority);
+    req->setPriority(priorityProto);
+    req->setResourceName(host);
+    req->setRelaxLocality(relax_locality);
+    try {
+        askRequests.push_back(*req);
+        LOG(DEBUG1, "LibYarnClient::put a request into ask list, "
+                    "mem:%d, cpu:%d, priority:%d, resource name:%s, relax:%d, 
num_containers:%d",
+                    capability.getMemory(), capability.getVirtualCores(), 
priority, host.c_str(),
+                    relax_locality, num_containers);
+    } catch (std::exception &e) {
+        LOG(WARNING, "LibYarnClient::Fail to add a resource request "
+                     "to ask list. %s ", e.what());
+    }
 }
 
 /*
@@ -416,84 +414,85 @@ void LibYarnClient::addResourceRequest(Resource 
capability,
  * is supported.
  *
  * Parameters:
- *             jobId: jobId
- *             capability: the quota of the resource
- *             count: the required number of the containers
- *             preferred: node list, NULL means ANY host. If one node's rack 
name is NULL, a default rack name is set.
- *             priority: priority
+ *      jobId: jobId
+ *      capability: the quota of the resource
+ *      count: the required number of the containers
+ *      preferred: node list, NULL means ANY host. If one node's rack name is 
NULL, a default rack name is set.
+ *      priority: priority
  */
-int LibYarnClient::addContainerRequests(string &jobId, Resource &capability, 
int32_t num_containers,
-                                                                          
list<LibYarnNodeInfo> &preferred, int32_t priority, bool relax_locality)
+int LibYarnClient::addContainerRequests(string &jobId, Resource &capability,
+        int32_t num_containers, list<LibYarnNodeInfo> &preferred,
+        int32_t priority, bool relax_locality)
 {
-       try {
-               if (jobId != clientJobId) {
-                       throw std::invalid_argument("The jobId is wrong, check 
the jobId argument");
-               }
-
-               map<string, int32_t> inferredRacks;
-
-               for (list<LibYarnNodeInfo>::iterator iter = preferred.begin();
-                               iter != preferred.end(); iter++) {
-                       LOG(INFO, "LibYarnClient::addContainerRequests, "
-                                         "get a preferred host info, 
host:%s,rack:%s,container number:%d",
-                                         iter->getHost().c_str(), 
iter->getRack().c_str(), iter->getContainerNum());
-                       /* add a resource request for this node */
-                       addResourceRequest(capability, iter->getContainerNum(), 
iter->getHost(), priority, true);
-                       map<string, int32_t>:: iterator it = 
inferredRacks.find(iter->getRack());
-                       if (it != inferredRacks.end())
-                               it->second += iter->getContainerNum();
-                       else
-                               inferredRacks.insert(make_pair(iter->getRack(), 
iter->getContainerNum()));
-               }
-
-               /* add resource requests for racks*/
-               for (map<string, int32_t>:: iterator it = inferredRacks.begin() 
;
-                        it != inferredRacks.end(); it++)
-                       addResourceRequest(capability, it->second, it->first, 
priority, relax_locality);
-
-               /* add resource request for off-switch */
-               addResourceRequest(capability, num_containers, YARN_HOST_ANY, 
priority, relax_locality);
-
-               return FR_SUCCEEDED;
-       } catch (std::exception &e) {
-       stringstream errorMsg;
-       errorMsg << "LibYarnClient::addContainerRequests catch std exception:" 
<< e.what();
+    try {
+        if (jobId != clientJobId) {
+            throw std::invalid_argument("The jobId is wrong, check the jobId 
argument");
+        }
+
+        map<string, int32_t> inferredRacks;
+
+        for (list<LibYarnNodeInfo>::iterator iter = preferred.begin();
+                iter != preferred.end(); iter++) {
+            LOG(DEBUG1, "LibYarnClient::addContainerRequests, "
+                        "get a preferred host info, host:%s,rack:%s,container 
number:%d",
+                        iter->getHost().c_str(), iter->getRack().c_str(), 
iter->getContainerNum());
+            /* add a resource request for this node */
+            addResourceRequest(capability, iter->getContainerNum(), 
iter->getHost(), priority, true);
+            map<string, int32_t>::iterator it = 
inferredRacks.find(iter->getRack());
+            if (it != inferredRacks.end())
+                it->second += iter->getContainerNum();
+            else
+                inferredRacks.insert(make_pair(iter->getRack(), 
iter->getContainerNum()));
+        }
+
+        /* add resource requests for racks*/
+        for (map<string, int32_t>::iterator it = inferredRacks.begin();
+             it != inferredRacks.end(); it++) {
+            addResourceRequest(capability, it->second, it->first, priority, 
relax_locality);
+        }
+
+        /* add resource request for off-switch */
+        addResourceRequest(capability, num_containers, YARN_HOST_ANY, 
priority, relax_locality);
+
+        return FR_SUCCEEDED;
+    } catch (std::exception &e) {
+        stringstream errorMsg;
+        errorMsg << "LibYarnClient::addContainerRequests catch std exception:" 
<< e.what();
         setErrorMessage(errorMsg.str());
-               return FR_FAILED;
-       } catch (...) {
-       stringstream errorMsg;
-       errorMsg << "LibYarnClient::addContainerRequests catch unexpected 
exception.";
+        return FR_FAILED;
+    } catch (...) {
+        stringstream errorMsg;
+        errorMsg << "LibYarnClient::addContainerRequests catch unexpected 
exception.";
         setErrorMessage(errorMsg.str());
-               return FR_FAILED;
-       }
+        return FR_FAILED;
+    }
 }
 
 /*
-message AllocateRequestProto {
-repeated ResourceRequestProto ask = 1;
-repeated ContainerIdProto release = 2;
-optional ResourceBlacklistRequestProto blacklist_request = 3;
-optional int32 response_id = 4;
-optional float progress = 5;
-}
-
-message AllocateResponseProto {
-optional AMCommandProto a_m_command = 1;
-optional int32 response_id = 2;
-repeated ContainerProto allocated_containers = 3;
-repeated ContainerStatusProto completed_container_statuses = 4;
-optional ResourceProto limit = 5;
-repeated NodeReportProto updated_nodes = 6;
-optional int32 num_cluster_nodes = 7;
-optional PreemptionMessageProto preempt = 8;
-repeated NMTokenProto nm_tokens = 9;
-}
-*/
+ message AllocateRequestProto {
+ repeated ResourceRequestProto ask = 1;
+ repeated ContainerIdProto release = 2;
+ optional ResourceBlacklistRequestProto blacklist_request = 3;
+ optional int32 response_id = 4;
+ optional float progress = 5;
+ }
+
+ message AllocateResponseProto {
+ optional AMCommandProto a_m_command = 1;
+ optional int32 response_id = 2;
+ repeated ContainerProto allocated_containers = 3;
+ repeated ContainerStatusProto completed_container_statuses = 4;
+ optional ResourceProto limit = 5;
+ repeated NodeReportProto updated_nodes = 6;
+ optional int32 num_cluster_nodes = 7;
+ optional PreemptionMessageProto preempt = 8;
+ repeated NMTokenProto nm_tokens = 9;
+ }
+ */
 int LibYarnClient::allocateResources(string &jobId,
-            list<string> &blackListAdditions,
-            list<string> &blackListRemovals,
-            list<Container> &allocatedContainers,
-            int32_t num_containers) {
+        list<string> &blackListAdditions, list<string> &blackListRemovals,
+        list<Container> &allocatedContainers, int32_t num_containers)
+{
     try{
         AllocateResponse response;
         int retry = 5;
@@ -509,8 +508,8 @@ int LibYarnClient::allocateResources(string &jobId,
             throw std::runtime_error("LibYarnClient::libyarn AM heartbeat 
thread has stopped.");
         }
 
-        ApplicationMaster*    amrmClientAlias = (ApplicationMaster*) 
amrmClient;
-        list<Container>       allocatedContainerCache;
+        ApplicationMaster* amrmClientAlias = (ApplicationMaster*) amrmClient;
+        list<Container> allocatedContainerCache;
         list<ContainerReport> preContainerReports;
         preContainerReports = ((ApplicationClient*) 
appClient)->getContainers(clientAppAttempId);
 
@@ -520,15 +519,17 @@ int LibYarnClient::allocateResources(string &jobId,
         blacklistRequest.setBlacklistRemovals(blackListRemovals);
         float progress = 0.5;
 
-        LOG(INFO,"LibYarnClient::allocate, ask: container number:%d,", 
num_containers);
+        LOG(DEBUG1, "LibYarnClient::request to allocate resource, container 
number:%d",
+                  num_containers);
 
         while (retry > 0) {
-            LOG(INFO,"LibYarnClient::allocate with response id : %d", 
response_id);
-            AllocateResponse response = 
amrmClientAlias->allocate(this->askRequests, releasesBlank,
-                                blacklistRequest, response_id, progress);
+            LOG(DEBUG1, "LibYarnClient::allocate with response id : %d", 
response_id);
+            AllocateResponse response = amrmClientAlias->allocate(
+                    this->askRequests, releasesBlank, blacklistRequest,
+                    response_id, progress);
             response_id = response.getResponseId();
-            LOG(INFO,"LibYarnClient::allocate returned response id : %d", 
response_id);
-            list<NMToken> nmTokens =  response.getNMTokens();
+            LOG(DEBUG1, "LibYarnClient::allocate returned response id : %d", 
response_id);
+            list<NMToken> nmTokens = response.getNMTokens();
             for (list<NMToken>::iterator it = nmTokens.begin(); it != 
nmTokens.end(); it++) {
                 std::ostringstream oss;
                 oss << (*it).getNodeId().getHost() << ":" << 
(*it).getNodeId().getPort();
@@ -538,7 +539,7 @@ int LibYarnClient::allocateResources(string &jobId,
             list<Container> allocatedContainerOnce = 
response.getAllocatedContainers();
             allocatedNumOnce = allocatedContainerOnce.size();
             if (allocatedNumOnce <= 0) {
-                LOG(WARNING, "LibYarnClient:: fail to allocate from YARN RM, 
try again");
+                LOG(DEBUG1, "LibYarnClient:: fail to allocate from YARN RM, 
try again");
                 retry--;
                 if(retry == 0 && allocatedNumTotal == 0) {
                     /* If failed, just return to Resource Broker to handle*/
@@ -549,10 +550,10 @@ int LibYarnClient::allocateResources(string &jobId,
             } else {
                 allocatedNumTotal += allocatedNumOnce;
                 allocatedContainerCache.insert(allocatedContainerCache.end(), 
allocatedContainerOnce.begin(), allocatedContainerOnce.end());
-                LOG(INFO, "LibYarnClient:: allocate %d containers from YARN 
RM", allocatedNumOnce);
+                LOG(DEBUG1, "LibYarnClient:: allocate %d containers from YARN 
RM", allocatedNumOnce);
                 if (allocatedNumTotal >= num_containers) {
-                    LOG(INFO, "LibYarnClient:: allocate enough containers from 
YARN RM, "
-                              "expected:%d, total:%d", num_containers, 
allocatedNumTotal);
+                    LOG(DEBUG1, "LibYarnClient:: allocate enough containers 
from YARN RM, "
+                                "expected:%d, total:%d", num_containers, 
allocatedNumTotal);
                     break;
                 }
 
@@ -560,39 +561,43 @@ int LibYarnClient::allocateResources(string &jobId,
             usleep(TimeInterval::ALLOCATE_INTERVAL_MS);
         }
 
-        LOG(INFO,"LibYarnClient::allocate, ask: response_id:%d, allocated 
container number:%d",
+        LOG(INFO,"LibYarnClient::allocate resource, response_id:%d, allocated 
container number:%d",
                  response_id, allocatedNumTotal);
 
         /* a workaround for allocate more container than request */
         list<ContainerId> releases;
         list<ContainerReport> afterContainerReports;
         afterContainerReports = ((ApplicationClient*) 
appClient)->getContainers(clientAppAttempId);
-        for (list<ContainerReport>::iterator ait=afterContainerReports.begin();
-                ait!=afterContainerReports.end(); ait++){
+        for (list<ContainerReport>::iterator ait = 
afterContainerReports.begin();
+                ait != afterContainerReports.end(); ait++) {
             bool foundInPre = false;
-            for (list<ContainerReport>::iterator 
pit=preContainerReports.begin();pit!=preContainerReports.end();pit++){
+            for (list<ContainerReport>::iterator pit =
+                    preContainerReports.begin();
+                    pit != preContainerReports.end(); pit++) {
                 if (pit->getId().getId() == ait->getId().getId()) {
                     foundInPre = true;
                     break;
                 }
             }
-            if (!foundInPre){
+            if (!foundInPre) {
                 bool foundInNewAllocated = false;
-                for (list<Container>::iterator cit = 
allocatedContainerCache.begin();cit!=allocatedContainerCache.end();cit++){
-                    if(cit->getId().getId() == ait->getId().getId()){
+                for (list<Container>::iterator cit =
+                        allocatedContainerCache.begin();
+                        cit != allocatedContainerCache.end(); cit++) {
+                    if (cit->getId().getId() == ait->getId().getId()) {
                         foundInNewAllocated = true;
                         break;
                     }
                 }
-                if (!foundInNewAllocated){
+                if (!foundInNewAllocated) {
                     releases.push_back((*ait).getId());
                 }
             }
         }
 
         int totalNeedRelease = allocatedContainerCache.size() - num_containers;
-        LOG(INFO,"LibYarnClient::allocateResources, ask: finished: 
total_allocated_containers:%ld, total_need_release:%d",
-                 allocatedContainerCache.size(), totalNeedRelease);
+        LOG(DEBUG1, "LibYarnClient::allocateResources, 
total_allocated_containers:%ld, total_need_release:%d",
+                    allocatedContainerCache.size(), totalNeedRelease);
         if(totalNeedRelease > 0) {
             for (int i = 0; i < totalNeedRelease; i++) {
                 list<Container>::iterator it = allocatedContainerCache.begin();
@@ -608,15 +613,16 @@ int LibYarnClient::allocateResources(string &jobId,
         }
 
         /* 3. store allocated containers */
-        for(list<Container>::iterator it = allocatedContainerCache.begin();it 
!= allocatedContainerCache.end();it++){
+        for (list<Container>::iterator it = allocatedContainerCache.begin();
+                it != allocatedContainerCache.end(); it++) {
             Container *container = new Container((*it));
             int64_t containerId = container->getId().getId();
             jobIdContainers[containerId] = container;
         }
         allocatedContainers = allocatedContainerCache;
 
-        LOG(INFO,"LibYarnClient::allocateResources, put all allocated 
containers size:%ld",
-                 allocatedContainerCache.size());
+        LOG(DEBUG1, "LibYarnClient::allocateResources, put all allocated 
containers size:%ld",
+                    allocatedContainerCache.size());
 
         pthread_mutex_unlock(&heartbeatLock);
 
@@ -649,12 +655,13 @@ int LibYarnClient::allocateResources(string &jobId,
     }
 }
 
-int LibYarnClient::releaseResources(string &jobId,int64_t 
releaseContainerIds[],int releaseContainerSize) {
+int LibYarnClient::releaseResources(string &jobId,int64_t 
releaseContainerIds[], int releaseContainerSize)
+{
     try{
         pthread_mutex_lock(&heartbeatLock);
-               if (jobId != clientJobId) {
-                       throw std::invalid_argument("The jobId is wrong,please 
check the jobId argument");
-               }
+        if (jobId != clientJobId) {
+            throw std::invalid_argument("The jobId is wrong,please check the 
jobId argument");
+        }
 
         if (!keepRun && needHeartbeatAlive) {
             throw std::runtime_error("LibYarnClient::libyarn AM heartbeat 
thread has stopped.");
@@ -665,9 +672,9 @@ int LibYarnClient::releaseResources(string &jobId,int64_t 
releaseContainerIds[],
         list<ResourceRequest> asksBlank;
         //2) releases
         list<ContainerId> releases;
-        for (int i = 0;i < releaseContainerSize;i++){
+        for (int i = 0; i < releaseContainerSize; i++) {
             int64_t containerId = releaseContainerIds[i];
-            map<int64_t,Container*>::iterator it = 
jobIdContainers.find(containerId);
+            map<int64_t, Container*>::iterator it = 
jobIdContainers.find(containerId);
             if (it != jobIdContainers.end()) {
                 releases.push_back((it->second)->getId());
             }
@@ -677,83 +684,85 @@ int LibYarnClient::releaseResources(string &jobId,int64_t 
releaseContainerIds[],
         //4) progress
         float progress = 0.5;
 
-        LOG(INFO, "LibYarnClient::releaseResource, release 
size:%d",releases.size());
-        AllocateResponse response = amrmClientAlias->allocate(asksBlank, 
releases,
-                blacklistRequestBlank, response_id, progress);
+        AllocateResponse response = amrmClientAlias->allocate(asksBlank,
+                releases, blacklistRequestBlank, response_id, progress);
         response_id = response.getResponseId();
         //erase from the map jobIdContainers
-        for (list<ContainerId>::iterator it = releases.begin();it != 
releases.end();it++){
-            LOG(INFO, "LibYarnClient::releaseResource, released 
ContainerId:%ld",it->getId());
-            map<int64_t,Container*>::iterator cit = 
jobIdContainers.find(it->getId());
-            if (cit != jobIdContainers.end()){
+        for (list<ContainerId>::iterator it = releases.begin(); it != 
releases.end(); it++) {
+            LOG(DEBUG1, "LibYarnClient::releaseResource, released 
ContainerId:%ld",
+                      it->getId());
+            map<int64_t, Container*>::iterator cit = 
jobIdContainers.find(it->getId());
+            if (cit != jobIdContainers.end()) {
                 delete cit->second;
                 cit->second = NULL;
                 jobIdContainers.erase(it->getId());
             }
             //erase the element if in activeFailContainers
             set<int64_t>::iterator sit = 
activeFailContainerIds.find(it->getId());
-            if(sit != activeFailContainerIds.end()){
-                LOG(INFO, "LibYarnClient::releaseResource, remove %ld from  
activeFailContainerIds",(*sit));
+            if (sit != activeFailContainerIds.end()) {
+                LOG(INFO, "LibYarnClient::releaseResource, remove %ld from  
activeFailContainerIds",
+                          (*sit));
                 activeFailContainerIds.erase(*sit);
             }
         }
-        LOG(INFO, "LibYarnClient::releaseResources, release complete");
+        LOG(INFO, "LibYarnClient::release resources, container number:%d",
+                  releases.size());
         pthread_mutex_unlock(&heartbeatLock);
         return FR_SUCCEEDED;
-    } catch(std::exception &e) {
+    } catch (std::exception &e) {
         stringstream errorMsg;
         errorMsg << "LibYarnClient::releaseResources, catch exception:" << 
e.what();
         setErrorMessage(errorMsg.str());
         pthread_mutex_unlock(&heartbeatLock);
         return FR_FAILED;
     } catch (...) {
-       stringstream errorMsg;
-               errorMsg << "LibYarnClient::releaseResources, catch unexpected 
exception.";
-               setErrorMessage(errorMsg.str());
-               pthread_mutex_unlock(&heartbeatLock);
-               return FR_FAILED;
+        stringstream errorMsg;
+        errorMsg << "LibYarnClient::releaseResources, catch unexpected 
exception.";
+        setErrorMessage(errorMsg.str());
+        pthread_mutex_unlock(&heartbeatLock);
+        return FR_FAILED;
     }
 }
 
 /*
----------------------
-message StartContainerRequestProto {
-  optional ContainerLaunchContextProto container_launch_context = 1;
-  optional hadoop.common.TokenProto container_token = 2;
-}
-
-message StartContainerResponseProto {
-  repeated StringBytesMapProto services_meta_data = 1;
-}
----------------------
-rpc startContainers(StartContainersRequestProto) returns 
(StartContainersResponseProto);
----------------------
-message StartContainersRequestProto {
-  repeated StartContainerRequestProto start_container_request = 1;
-}
-
-message StartContainersResponseProto {
-  repeated StringBytesMapProto services_meta_data = 1;
-  repeated ContainerIdProto succeeded_requests = 2;
-  repeated ContainerExceptionMapProto failed_requests = 3;
-}
-*/
+ ---------------------
+ message StartContainerRequestProto {
+   optional ContainerLaunchContextProto container_launch_context = 1;
+   optional hadoop.common.TokenProto container_token = 2;
+ }
+
+ message StartContainerResponseProto {
+   repeated StringBytesMapProto services_meta_data = 1;
+ }
+ ---------------------
+ rpc startContainers(StartContainersRequestProto) returns 
(StartContainersResponseProto);
+ ---------------------
+ message StartContainersRequestProto {
+   repeated StartContainerRequestProto start_container_request = 1;
+ }
+
+ message StartContainersResponseProto {
+   repeated StringBytesMapProto services_meta_data = 1;
+   repeated ContainerIdProto succeeded_requests = 2;
+   repeated ContainerExceptionMapProto failed_requests = 3;
+ }
+ */
 int LibYarnClient::activeResources(string &jobId,int64_t 
activeContainerIds[],int activeContainerSize) {
     try{
-               if (jobId != clientJobId) {
-                       throw std::invalid_argument("The jobId is wrong,please 
check the jobId argument");
-               }
+        if (jobId != clientJobId) {
+            throw std::invalid_argument("The jobId is wrong,please check the 
jobId argument");
+        }
         if (!keepRun && needHeartbeatAlive) {
             throw std::runtime_error("LibYarnClient::libyarn AM heartbeat 
thread has stopped.");
         }
 
-           LOG(INFO, "LibYarnClient::activeResources, activeResources 
started");
+        LOG(DEBUG1, "LibYarnClient::activeResources, activeResources started");
 
-        for (int i = 0; i < activeContainerSize; i++){
+        for (int i = 0; i < activeContainerSize; i++) {
             int64_t containerId = activeContainerIds[i];
             map<int64_t, Container*>::iterator it = 
jobIdContainers.find(containerId);
             if (it != jobIdContainers.end()) {
-                try{
+                try {
                     Container *container = it->second;
                     ostringstream key;
                     key << container->getNodeId().getHost() << ":" << 
container->getNodeId().getPort();
@@ -768,27 +777,29 @@ int LibYarnClient::activeResources(string &jobId,int64_t 
activeContainerIds[],in
                     request.setContainerLaunchCtx(ctx);
                     Token cToken = container->getContainerToken();
                     request.setContainerToken(cToken);
-                    LOG(INFO, "LibYarnClient::activeResources active 
containerId:%ld", containerId);
+                    LOG(DEBUG1, "LibYarnClient::activeResources active 
containerId:%ld", containerId);
                     
((ContainerManagement*)nmClient)->startContainer((*container), request, 
nmToken);
-                } catch(std::exception& e){
-                       LOG(INFO, "LibYarnClient::activeResources, 
activeResources Failed Id:%ld,exception:%s",containerId,e.what());
+                } catch (std::exception& e) {
+                    LOG(WARNING, "LibYarnClient::activeResources, 
activeResources Failed Id:%ld,exception:%s",
+                                 containerId,e.what());
                     activeFailContainerIds.insert(containerId);
                 }
             }
         }
-        //using namespace Yarn::Internal;
-           LOG(INFO, "LibYarnClient::activeResources, activeResources 
finished");
+
+        LOG(INFO, "LibYarnClient::active resources, container number:%d",
+                  activeContainerSize);
         return FR_SUCCEEDED;
-    } catch(std::exception& e){
+    } catch (std::exception& e) {
         stringstream errorMsg;
         errorMsg << "LibYarnClient::activeResources, Catch the Exception:" << 
e.what();
         setErrorMessage(errorMsg.str());
         return FR_FAILED;
     } catch (...) {
-       stringstream errorMsg;
-               errorMsg << "LibYarnClient::activeResources, catch unexpected 
exception.";
-               setErrorMessage(errorMsg.str());
-               return FR_FAILED;
+        stringstream errorMsg;
+        errorMsg << "LibYarnClient::activeResources, catch unexpected 
exception.";
+        setErrorMessage(errorMsg.str());
+        return FR_FAILED;
     }
 }
 int LibYarnClient::getActiveFailContainerIds(set<int64_t> &activeFailIds){
@@ -799,14 +810,14 @@ int LibYarnClient::getActiveFailContainerIds(set<int64_t> 
&activeFailIds){
 int LibYarnClient::finishJob(string &jobId, FinalApplicationStatus 
finalStatus) {
 
 #ifndef MOCKTEST
-    if ( keepRun ) {
+    if (keepRun) {
         // No need to run heart-beat thread now.
         keepRun = false;
         void *thrc = NULL;
         int rc = pthread_join(heartbeatThread, &thrc);
-        if ( rc != 0 ) {
-            LOG(INFO, "LibYarnClient::finishJob, fail to join heart-beat 
thread. "
-                        "error code %d", rc);
+        if (rc != 0) {
+            LOG(WARNING, "LibYarnClient::finishJob, fail to join heart-beat 
thread. "
+                         "error code %d", rc);
             return FR_FAILED;
         } else {
             LOG(INFO, "LibYarnClient::finishJob, join heart-beat thread 
successfully.");
@@ -814,30 +825,31 @@ int LibYarnClient::finishJob(string &jobId, 
FinalApplicationStatus finalStatus)
     }
 #endif
 
-    try{
+    try {
         if (jobId != clientJobId) {
             throw std::invalid_argument("The jobId is wrong,please check the 
jobId argument");
         }
         needHeartbeatAlive = false;
 
         //1. we should stop all containers related with this job
-        for (map<int64_t,Container*>::iterator it = jobIdContainers.begin(); 
it != jobIdContainers. end(); it++) {
+        for (map<int64_t, Container*>::iterator it = jobIdContainers.begin(); 
it != jobIdContainers. end(); it++) {
             ostringstream key;
             Container *container = it->second;
             key << container->getNodeId().getHost() << ":" << 
container->getNodeId().getPort();
             Token nmToken = nmTokenCache[key.str()];
-            ((ContainerManagement*)nmClient)->stopContainer((*container), 
nmToken);
-            LOG(INFO,"LibYarnClient::finishJob, container:%ld is 
stopped",container->getId().getId());
+            ((ContainerManagement*) nmClient)->stopContainer((*container), 
nmToken);
+            LOG(DEBUG1, "LibYarnClient::finishJob, container:%ld is 
stopped",container->getId().getId());
         }
-        LOG(INFO,"LibYarnClient::finishJob, all containers for jobId:%s are 
stopped",jobId.c_str());
+        LOG(DEBUG1, "LibYarnClient::finishJob, all containers for jobId:%s are 
stopped",jobId.c_str());
         //2. finish AM
         string diagnostics("");
         string tracking_url("");
         ((ApplicationMaster*) 
amrmClient)->finishApplicationMaster(diagnostics, tracking_url, finalStatus);
         LOG(INFO, "LibYarnClient::finishJob, finish AM for jobId:%s, 
finalStatus:%d", jobId.c_str(), finalStatus);
         //free the Container* memory
-        for (map<int64_t,Container*>::iterator it = jobIdContainers.begin(); 
it != jobIdContainers.end(); it++) {
-            LOG(INFO,"LibYarnClient::finishJob, container:%ld in 
jobIdContainers are delete",it->second->getId().getId());
+        for (map<int64_t, Container*>::iterator it = jobIdContainers.begin(); 
it != jobIdContainers.end(); it++) {
+            LOG(DEBUG1, "LibYarnClient::finishJob, container:%ld in 
jobIdContainers is deleted",
+                        it->second->getId().getId());
             delete it->second;
             it->second = NULL;
         }
@@ -847,154 +859,150 @@ int LibYarnClient::finishJob(string &jobId, 
FinalApplicationStatus finalStatus)
         return FR_SUCCEEDED;
     } catch (std::exception& e) {
         stringstream errorMsg;
-
         errorMsg << "LibYarnClient::finishJob, catch the Exception:" << 
e.what();
         setErrorMessage(errorMsg.str());
-
         return FR_FAILED;
     } catch (const ApplicationMasterNotRegisteredException &e) {
         stringstream errorMsg;
-
         errorMsg << "LibYarnClient::finishJob, "
                     "catch ApplicationMasterNotRegisteredException." << 
e.what();
         setErrorMessage(errorMsg.str());
-
         return FR_FAILED;
     } catch (...) {
         stringstream errorMsg;
-
         errorMsg << "LibYarnClient::finishJob, catch unexpected exception.";
         setErrorMessage(errorMsg.str());
-
         return FR_FAILED;
     }
 }
 
-int LibYarnClient::getApplicationReport(string &jobId,ApplicationReport 
&applicationReport){
-       try {
-               if (jobId != clientJobId) {
-                       throw std::invalid_argument("The jobId is wrong,please 
check the jobId argument");
-               }
+int LibYarnClient::getApplicationReport(string &jobId,ApplicationReport 
&applicationReport) {
+    try {
+        if (jobId != clientJobId) {
+            throw std::invalid_argument("The jobId is wrong,please check the 
jobId argument");
+        }
 
         if (!keepRun && needHeartbeatAlive) {
             throw std::runtime_error("LibYarnClient::libyarn AM heartbeat 
thread has stopped.");
         }
 
-               LOG(INFO,"LibYarnClient::getApplicationReport, 
appId[cluster_timestamp:%lld,id:%d]",
-                               clientAppId.getClusterTimestamp(), 
clientAppId.getId());
-               applicationReport = ((ApplicationClient*) 
appClient)->getApplicationReport(clientAppId);
-               LOG(INFO,"LibYarnClient::getApplicationReport, 
appId[cluster_timestamp:%lld,id:%d],getCurrentAppAttemptId:%d",
-                               
applicationReport.getApplicationId().getClusterTimestamp(),
-                               applicationReport.getApplicationId().getId(),
-                               
applicationReport.getCurrentAppAttemptId().getAttemptId());
+        LOG(DEBUG1, "LibYarnClient::getApplicationReport, 
appId[cluster_timestamp:%lld,id:%d]",
+                    clientAppId.getClusterTimestamp(), clientAppId.getId());
+        applicationReport = ((ApplicationClient*) 
appClient)->getApplicationReport(clientAppId);
+        LOG(DEBUG1, "LibYarnClient::getApplicationReport, 
appId[cluster_timestamp:%lld,id:%d],getCurrentAppAttemptId:%d",
+                    applicationReport.getApplicationId().getClusterTimestamp(),
+                    applicationReport.getApplicationId().getId(),
+                    applicationReport.getCurrentAppAttemptId().getAttemptId());
 
-               return FR_SUCCEEDED;
+        return FR_SUCCEEDED;
        } catch (std::exception& e) {
-               stringstream errorMsg;
-               errorMsg << "LibYarnClient::getApplicationReport, Catch the 
Exception:"
-                               << e.what();
-               setErrorMessage(errorMsg.str());
-               return FR_FAILED;
-       } catch (...) {
-       stringstream errorMsg;
-               errorMsg << "LibYarnClient::getApplicationReport, catch 
unexpected exception.";
-               setErrorMessage(errorMsg.str());
-               return FR_FAILED;
+        stringstream errorMsg;
+        errorMsg << "LibYarnClient::getApplicationReport, Catch the Exception:"
+                << e.what();
+        setErrorMessage(errorMsg.str());
+        return FR_FAILED;
+    } catch (...) {
+        stringstream errorMsg;
+        errorMsg << "LibYarnClient::getApplicationReport, catch unexpected 
exception.";
+        setErrorMessage(errorMsg.str());
+        return FR_FAILED;
     }
 }
 
-int LibYarnClient::getContainerReports(string &jobId,list<ContainerReport> 
&containerReports){
-       try {
-               if (jobId != clientJobId) {
-                       throw std::invalid_argument("The jobId is wrong,please 
check the jobId argument");
-               }
+int LibYarnClient::getContainerReports(string &jobId,list<ContainerReport> 
&containerReports) {
+    try {
+        if (jobId != clientJobId) {
+            throw std::invalid_argument("The jobId is wrong,please check the 
jobId argument");
+        }
 
         if (!keepRun && needHeartbeatAlive) {
             throw std::runtime_error("LibYarnClient::libyarn AM heartbeat 
thread has stopped.");
         }
 
-               LOG(INFO,"LibYarnClient::getContainerReports, 
appId[cluster_timestamp:%lld,id:%d]",
-                               clientAppId.getClusterTimestamp(), 
clientAppId.getId());
-               containerReports = ((ApplicationClient*) 
appClient)->getContainers(clientAppAttempId);
-               return FR_SUCCEEDED;
-       } catch (std::exception& e) {
-               stringstream errorMsg;
-               errorMsg << "LibYarnClient::getContainerReports, Catch the 
Exception:" << e.what();
-               setErrorMessage(errorMsg.str());
-               return FR_FAILED;
-       } catch (...) {
-       stringstream errorMsg;
-               errorMsg << "LibYarnClient::getContainerReports, catch 
unexpected exception.";
-               setErrorMessage(errorMsg.str());
-               return FR_FAILED;
+        LOG(DEBUG1, "LibYarnClient::getContainerReports, 
appId[cluster_timestamp:%lld,id:%d]",
+                    clientAppId.getClusterTimestamp(), clientAppId.getId());
+        containerReports = ((ApplicationClient*) 
appClient)->getContainers(clientAppAttempId);
+        return FR_SUCCEEDED;
+    } catch (std::exception& e) {
+        stringstream errorMsg;
+        errorMsg << "LibYarnClient::getContainerReports, Catch the Exception:" 
<< e.what();
+        setErrorMessage(errorMsg.str());
+        return FR_FAILED;
+    } catch (...) {
+        stringstream errorMsg;
+        errorMsg << "LibYarnClient::getContainerReports, catch unexpected 
exception.";
+        setErrorMessage(errorMsg.str());
+        return FR_FAILED;
     }
 }
 
-int LibYarnClient::getContainerStatuses(string &jobId,int64_t 
containerIds[],int containerSize,
-                                               list<ContainerStatus> 
&containerStatues){
-       try {
-               if (jobId != clientJobId) {
-                       throw std::invalid_argument("The jobId is wrong,please 
check the jobId argument");
-               }
+int LibYarnClient::getContainerStatuses(string &jobId, int64_t containerIds[],
+        int containerSize, list<ContainerStatus> &containerStatues)
+{
+    try {
+        if (jobId != clientJobId) {
+            throw std::invalid_argument("The jobId is wrong,please check the 
jobId argument");
+        }
 
         if (!keepRun && needHeartbeatAlive) {
             throw std::runtime_error("LibYarnClient::libyarn AM heartbeat 
thread has stopped.");
         }
 
-               for (int i = 0; i < containerSize; i++) {
-                       int64_t containerId = containerIds[i];
-                       map<int64_t, Container*>::iterator it = 
jobIdContainers.find(containerId);
-                       if (it != jobIdContainers.end()) {
-                               try {
-                                       Container *container = it->second;
-                                       ostringstream key;
-                                       key << container->getNodeId().getHost() 
<< ":"<< container->getNodeId().getPort();
-                                       Token nmToken = nmTokenCache[key.str()];
-                                       ContainerStatus containerStatus = 
((ContainerManagement*) nmClient)->getContainerStatus((*container),  nmToken);
-                                       // the response containerId will be 0 
if the request containerId is not exist
-                                       if 
(containerStatus.getContainerId().getId() != 0){
-                                               
containerStatues.push_back(containerStatus);
-                                       }
-                               } catch (std::exception& e) {
-                                       
LOG(INFO,"LibYarnClient::getContainerStatuses, getContainerStatuses Failed 
Id:%ld,exception:%s",containerId, e.what());
-                               }
-                       }
-               }
-               return FR_SUCCEEDED;
-       } catch (std::exception& e) {
-               stringstream errorMsg;
-               errorMsg << "LibYarnClient::getContainerStatuses, Catch the 
Exception:" << e.what();
-               setErrorMessage(errorMsg.str());
-               return FR_FAILED;
-       } catch (...) {
-       stringstream errorMsg;
-               errorMsg << "LibYarnClient::getContainerStatuses, catch 
unexpected exception.";
-               setErrorMessage(errorMsg.str());
-               return FR_FAILED;
+        for (int i = 0; i < containerSize; i++) {
+            int64_t containerId = containerIds[i];
+            map<int64_t, Container*>::iterator it = 
jobIdContainers.find(containerId);
+            if (it != jobIdContainers.end()) {
+                try {
+                    Container *container = it->second;
+                    ostringstream key;
+                    key << container->getNodeId().getHost() << ":"<< 
container->getNodeId().getPort();
+                    Token nmToken = nmTokenCache[key.str()];
+                    ContainerStatus containerStatus = ((ContainerManagement*) 
nmClient)->getContainerStatus((*container),  nmToken);
+                    // the response containerId will be 0 if the request 
containerId is not exist
+                    if (containerStatus.getContainerId().getId() != 0){
+                        containerStatues.push_back(containerStatus);
+                    }
+                } catch (std::exception& e) {
+                    LOG(INFO, "LibYarnClient::getContainerStatuses, 
getContainerStatuses Failed Id:%ld,exception:%s",
+                              containerId, e.what());
+                }
+            }
+        }
+        return FR_SUCCEEDED;
+    } catch (std::exception& e) {
+        stringstream errorMsg;
+        errorMsg << "LibYarnClient::getContainerStatuses, Catch the 
Exception:" << e.what();
+        setErrorMessage(errorMsg.str());
+        return FR_FAILED;
+    } catch (...) {
+        stringstream errorMsg;
+        errorMsg << "LibYarnClient::getContainerStatuses, catch unexpected 
exception.";
+        setErrorMessage(errorMsg.str());
+        return FR_FAILED;
     }
 }
 
 int LibYarnClient::getQueueInfo(string &queue, bool includeApps,
-               bool includeChildQueues, bool recursive,QueueInfo &queueInfo) {
-    try{
+        bool includeChildQueues, bool recursive, QueueInfo &queueInfo)
+{
+    try {
         if (!keepRun && needHeartbeatAlive) {
             throw std::runtime_error("LibYarnClient::libyarn AM heartbeat 
thread has stopped.");
         }
 
-        queueInfo = ((ApplicationClient*) appClient)->getQueueInfo(queue, 
includeApps,
-                includeChildQueues, recursive);
+        queueInfo = ((ApplicationClient*) appClient)->getQueueInfo(queue,
+                includeApps, includeChildQueues, recursive);
         return FR_SUCCEEDED;
-    }
-    catch(std::exception& e){
+    } catch (std::exception& e) {
         stringstream errorMsg;
         errorMsg << "LibYarnClient::getQueueInfo, Catch the Exception:" << 
e.what();
         setErrorMessage(errorMsg.str());
         return FR_FAILED;
     } catch (...) {
-       stringstream errorMsg;
-               errorMsg << "LibYarnClient::getQueueInfo, catch unexpected 
exception.";
-               setErrorMessage(errorMsg.str());
-               return FR_FAILED;
+        stringstream errorMsg;
+        errorMsg << "LibYarnClient::getQueueInfo, catch unexpected exception.";
+        setErrorMessage(errorMsg.str());
+        return FR_FAILED;
     }
 }
 
@@ -1003,19 +1011,18 @@ int LibYarnClient::getClusterNodes(list<NodeState> 
&states,list<NodeReport> &nod
         if (!keepRun && needHeartbeatAlive) {
             throw std::runtime_error("LibYarnClient::libyarn AM heartbeat 
thread has stopped.");
         }
-        nodeReports =  ((ApplicationClient*) 
appClient)->getClusterNodes(states);
+        nodeReports = ((ApplicationClient*) 
appClient)->getClusterNodes(states);
         return FR_SUCCEEDED;
-    }
-    catch(std::exception& e){
+    } catch (std::exception& e) {
         stringstream errorMsg;
         errorMsg << "LibYarnClient::getClusterNodes, Catch the Exception:" << 
e.what();
         setErrorMessage(errorMsg.str());
         return FR_FAILED;
     } catch (...) {
-       stringstream errorMsg;
-               errorMsg << "LibYarnClient::getClusterNodes, catch unexpected 
exception.";
-               setErrorMessage(errorMsg.str());
-               return FR_FAILED;
+        stringstream errorMsg;
+        errorMsg << "LibYarnClient::getClusterNodes, catch unexpected 
exception.";
+        setErrorMessage(errorMsg.str());
+        return FR_FAILED;
     }
 }
 }

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