Hello Nukala,   YARN (MapReduce 2 Included) is the recommended for usage. MapReduce is included in YARN for backward compatibility.   The only configuration to access MapReduce is to change the "Alternatives Priority" property under YARN's configuration from 92 to 91.   To change the Alternatives Priority property, do the following: 1. Go to the MapReduce or YARN service.   2. Click the Configuration tab.   3. Select Scope > Gateway Default Group.   4. Select Category > All.   5. Type Alternatives in Search box.   6. In the Alternatives Priority property, set the priority value.   7. Click Save Changes to commit the changes.   8. Redeploy the client configuration.   The link to the document covering changing of priorities is located here:   Configuring Alternatives Priority for Services Dependent on MapReduce ... View more

The error states:   "Either your MetaData is incorrect, or you need to enable "datanucleus.autoCreateTables""   You need to do one of two things:   1. Uninstall and reinstall Hive.   or   2. On the Hive MetaStore server, add the following to the "/etc/hive/conf.cloudera.hive/hive-site.xml" file:   <property> <name>datanucleus.autoCreateTables</name> <value>True</value> </property>    Restart the Hive service.       ... View more

Hello,   The AD certificate goes in the JVM keystore on CM:   1. On the domain controller, export the certificate in the "Base-64 encoded X.509 (.CER) format.   2. Copy the file to the Cloudera Manager host using an SCP/SSH tool such as WinSCP.   3. Import the certificate into your JVM keystore:   keytool -import -alias <alias-for-cert> -file <path-to-cert> -keystore <path-to-keystore> -storepass <keystore password> Note: The truststore is usually located at: $JAVA_HOME/jre/lib/security/cacerts. ... View more

Hello,   The hash and salt for CM versions 5.0.1 and above are the following:   Password Hash: 9f7e3270b1aaa4931d38845a0334e66b2dd93f916439006fac4e5e2535a444b3 Password Salt: -5357030608435271136 ... View more

Hello,   Perform the following:   1. SSH to your instance of Cloudera Manager.   2. After the proper modifications, enter the following command:   curl -X PUT -H "Content-Type:application/json" -u admin:admin -d '{ "items": [ { "name": "hbase_regionserver_msginterval", "value": "25" } ] }' 'http://localhost:7180/api/v10/clusters/Cluster%201/services/HBASE-1/roleConfigGroups/HBASE-1-REGIONSERVER-BASE/config'   Proper modifications:   - If your credentials are not "admin:admin," then replace "admin:admin" with the credentials you are using.   - If your cluster name is not "Cluster 1,"  then change "Cluster%201" to the name of your cluster.  If you don't know the name of your cluster, issue the following command:      curl -u admin:admin 'http://localhost:7180/api/v10/clusters'   - If your HBASE service name is not "HBASE-1," then change it to the name you are using.   If you do not know the name of your HBASE service, issue the following command:      curl -u admin:admin 'http://localhost:7180/api/v10/clusters/Cluster%201/services' | grep displayName   - If your RoleConfigGroupName is not "HBASE-1-REGIONSERVER-BASE," then change it to the name you are using.  If you do not know your RoleConfigGroupName, then enter the following command:     curl -u admin:admin 'http://localhost:7180/api/v10/clusters/Cluster%201/services/HBASE-1/roleConfigGroups' | grep name    3. Go to the home page of Cloudera Manager.  On the page, you should see a stale configuration icon next to the HBASE service.  Click the icon to refresh the configuration. ... View more