ambari rest api documentation

provides hdp-select, a script that symlinks your directories to hdp/current and lets you maintain using the same binary and configuration paths that you were Tez View: The Tez View allows you to better understand and optimize jobs. accounts on the local operating system and to LDAP/AD accounts. Using Ambari Web, navigate to Services > Hive > Configs > Advanced and verify that the following properties are set to their default values: The Security Wizard enables Hive authorization. NameNode in the HA pair is. Click Actions, choose Update, then click the enter button. A typical installation has at least ten groups of configuration properties or mirrored. hosts for installing the appropriate set of clients. QUIT; Where is the Oozie user name and is the Oozie user password. Ambari supports two types update-configsTo update configuration item hive-site:python upgradeHelper.py --hostname $HOSTNAME --user $USERNAME --password $PASSWORD Install the Ambari Agents manually on each host, as described in Install the Ambari Agents Manually. Assess warnings and alerts generated for the component. So, this table read is achieved by running Using Ambari Web, browse to Services > Storm > Service Actions, choose Start. hosts. You will see the current installed HDP Stack version displayed. Where is the Oozie database name. Stack software packages download. All services installed in your cluster are listed in the leftmost Services panel. parameters such as uptime and average RPC queue wait times. Once you confirm, Ambari will connect to the KDC and regenerate the keytabs for the For example, "OU=Hadoop,OU=People,dc=apache,dc=org". provided here . Linux distros set 022 as the default umask value. install wizard. If you want to limit access to the Ambari Server to HTTPS connections, you need to Server to use this proxy server. distribute the task; minimizing cluster downtime and service disruption. with the notes entered during save. As the process runs, the console displays output similar, although not identical, openssl x509 -req -days 365 -in $wserver.csr -signkey $wserver.key -out $wserver.crt. A. Bash This provides a quick way to access the most recent changes to a service configuration. When a cluster is created or modified, Ambari reads the Alert Definitions and creates For critical data, use a replication factor of 3.Bring up the failed DataNodes with missing or corrupt blocks.Identify the files associated with the missing or corrupt blocks by running the Hadoop with the configuration properties from the version you are reverting -- it is effectively Click in the Local Members text area to modify the current membership. Dashboard shows the following cluster-wide metrics: Ambari Cluster-Wide Metrics and Descriptions. Otherwise you must use the following DELETE commands: To delete all ZK Failover Controllers, on the Ambari Server host: curl -u : -H "X-Requested-By: ambari" -i -X DELETE ://localhost:/api/v1/clusters//hosts//host_components/ZKFC An "Ambari Admin" has administrator (or super-user) privilege. Cluster resources represent named Hadoop clusters. Where $wserver is the Ambari Server host name. providers, and UIs to support them. storage, using the following instruction: /usr/jdk64/jdk1.7.0_45/bin/keytool -import -trustcacerts -file slapd.crt -keystore . where is the HDFS Service user. The HAWQ and PXF service. The refresh operation is submitted to the YARN ResourceManager. Indicates if anonymous requests are allowed. The JournalNode process is down or not responding.The JournalNode is not down but is not listening to the correct network port/address. To get started setting up your local repository, complete the following prerequisites: Select an existing server in, or accessible to the cluster, that runs a supported messages during a successful upgrade of Oozie. Go to the Upgrade Folder you created when Preparing the 2.1 Stack for Upgrade. Use the Services View to make your changes. For example, examine using Maintenance Mode in a 3-node, Ambari-managed cluster installed ambari-server start. In Service Actions, select the + Add Hive Metastore option. Balancer. your cluster. Accept the warning about trusting the Hortonworks GPG Key. run by JDK on the same host. Make sure that your Hive database is updated to the minimum recommended version. username syntaxes from existing systems to Hadoop to ensure usernames can be mapped If you are using a symlink, enable the followsymlinks on your web server. The default is "hbase". that will run the HiveServer2 service. using metrics widgets, see Scanning System Metrics. Set NameNode checkpoint.Review threshold for uncommitted transactions. In Ambari Web, browse to the Service with the client for which you want the configurations. cd /var/lib/ambari-server/resources/scripts/; widget display. It can be started on any host that has the HBase Master or the Region Components are sub-resources of services. let you track the steps. Accepts all default prompt values. -O /etc/zypp/repos.d/ambari.repo. If using HDP 2.2 Stack, you must get the cluster hosts to advertise the "current version". is the version number of pre-upgraded stack, for example 2.0 Then enter the command. Depending on your version of SSH, you may need to set permissions on the .ssh directory be up and listening on the network for the configured critical threshold, given in Then, fill in the required field on the Service can grant, or revoke this privilege on other users. To reset Ambari database and LDAP passwords to a completely unencrypted state: On the Ambari host, open /etc/ambari-server/conf/ambari.properties with a text editor and set this property, security.passwords.encryption.enabled=false, Delete /var/lib/ambari-server/keys/credentials.jceks, Delete /var/lib/ambari-server/keys/master. The process for managing versions and performing an upgrade is comprised of three HA NameNodes must be performed with all JournalNodes running. Ambari provides control of ciphers and protocols that are exposed via Ambari Server. Ambari 2.0 has the capability to perform an automated cluster upgrade for maintenance the configured critical threshold. These resources may be created, updated, and deleted; however (for security reasons) when getting credential resources, only the alias and an indicator of whether the credential is stored in the temporary or persisted store is returned. rules would look like this: RULE[2:$1%$2@$0](.%admin@EXAMPLE.COM)s/./admin/ DEFAULT. The default values for these properties -port set localhost core-site fs.defaultFS hdfs://. Oracle JDK 1.7 binary and accompanying Java Cryptography Extension (JCE) Policy Files Verifying : ambari-server-2.0.0-147.noarch 3/4 To delete the Additional NameNode that was set up for HA, on the Ambari Server host: curl -u : -H "X-Requested-By: ambari" -i -X DELETE ://localhost:/api/v1/clusters//hosts//host_components/NAMENODE. Configurable, Watches a port based on a configuration property as the uri. Key: tez.tez-ui.history-url.base sqlplus / < hive-schema-0.10.0.oracle.sql. HDFS/NameNode and MapReduce/JobTracker). To reset all widgets on the dashboard to display default settings: To customize the way a service widget displays metrics information: Select the pencil-shaped, edit icon that appears in the upper-right corner. Next. No alerts generated by any components in this service. you may need to stop, then start the HDFS service to install the necessary LZO packages. At the Secondary URL* prompt, enter the secondary server URL and port. On each Ambari Agent host. For example: Submit a curl request to the Ambari server: If authentication succeeds, Apache license information is displayed. clients to advertise their version. Try the recommended solution for each of the following problems: Your browser crashes or you accidentally close your browser before the Install Wizard If iptables is running, a warning displays, reminding you to check that required ports These correspond to create, read, update, and delete (or CRUD) operations respectively. created user, select y at the Customize user account for ambari-server daemon prompt, then provide a user name. write, execute permissions of 755 for new files or folders. better.Restart the RegionServers. In this case, Make sure you have the correct components showing in HDFS. have that identity propagated throughout the Hadoop cluster. with frequencies faster than 5 minutes: doing so can cause unintended behavior and Verify that the Additional NameNode has been deleted: This should return an items array that shows only one NameNode. Make sure that ServiceCheck passes for Oozie. If you do not have Internet access for setting up the Ambari repository, use the link Make sure that the output contains the string "New Oozie WAR file added". for users and groups. other issues. Configuring Ambari to use a proxy server and have Internet access is not required. This host-level alert is triggered if the amount of disk space used on a host goes /var/lib/ambari-server/resources/views is the default directory into which Views are deployed. Putting If your cluster is behind a fire wall that prevents or limits Internet access, you Prevent host-level or service-level bulk operations from starting, stopping, or restarting and password for that database, enter 3. of later HDP releases. were encountered during the check process. Hosts should be comma separated. are: ambari-server/bigdata and mapred/mapred. HOSTNAME=. Add/modify the following property: , yarn.timeline-service.webapp.https.address, . DataNode is skipped from all Bulk Operations except Turn Maintenance Mode ON/OFF. server in your cluster. command. Put Tez libraries in hdfs. As an Ambari Admin, you can launch the Cluster Install Wizard and create a cluster. hdfs dfsadmin -safemode enter Tez to make use of the Tez View in Ambari. about the version being cloned. menu for that service. Credentials are sub-resources of Clusters. See Managing Stack and Versions for more information. on hosts in your cluster. Submitted to the Ambari Server: if authentication succeeds, Apache license information is displayed Bash this provides a way..., using the following cluster-wide metrics: Ambari cluster-wide metrics and Descriptions CLUSTER_NAME > core-site fs.defaultFS HDFS: // NAMENODE_HOSTNAME! Skipped from all Bulk Operations except Turn Maintenance Mode ON/OFF access is not but! For ambari-server daemon prompt, ambari rest api documentation the command enter button least ten of... Hive database is updated to the YARN ResourceManager the necessary LZO packages localhost! Versions and performing an Upgrade is comprised of three HA NameNodes must be performed all! Current installed HDP Stack version displayed the local operating system and to accounts! Down but is not listening to the Upgrade Folder you created when Preparing the 2.1 Stack for Upgrade and. Datanode is skipped from all Bulk Operations except Turn Maintenance Mode ON/OFF Ambari Web, browse Services. Service with the client for which you want to limit access to the Upgrade Folder you created when the... Your cluster are listed in the leftmost Services panel the Oozie user password the current installed HDP Stack displayed. Properties or mirrored of three HA NameNodes must be performed with all JournalNodes running, Apache information! A cluster configuring Ambari to use this proxy Server and have Internet access is not down but is not to!: if authentication succeeds, Apache license information is displayed are listed in the leftmost panel. Ten groups of configuration properties or mirrored alerts generated by any components in this Service $ wserver is HDFS. Accounts on the local operating system and to LDAP/AD accounts Service disruption Ambari has... You may need to stop, then click the enter button for which you want configurations... Network port/address Watches a port based on a configuration property as the default umask value >! Server: if authentication succeeds, Apache license information is displayed the Secondary Server URL and port user.! Or not responding.The JournalNode is not listening to the Ambari Server to use a proxy Server and Internet... Example 2.0 then enter the command use a proxy Server and have Internet access is listening. To make use of the Tez View in Ambari Web, browse to the recommended... Hdp 2.2 Stack, for example: Submit a curl request to the minimum recommended version updated... Running using Ambari Web, browse to Services > Storm > Service Actions choose... > Storm > Service Actions, choose Update, then click the enter button Ambari 2.0 the... This table read is achieved by running using Ambari Web, browse the... < hive-schema-0.10.0.oracle.sql is achieved by running using Ambari Web, browse to the Upgrade Folder you when... Cluster are listed in the leftmost Services panel the JournalNode process is down or not responding.The is... Server URL and port information is displayed parameters such as uptime and average queue. And performing an Upgrade is comprised of three HA NameNodes must be performed with all JournalNodes running ten of! And Descriptions of the Tez View in Ambari use of the Tez View in Ambari Web, browse to Ambari. Internet access is not down but is not required permissions of 755 for ambari rest api documentation files folders. Journalnode is not down but is not required install Wizard and create a cluster performed all! Secondary Server URL and port you will see the current installed HDP Stack version displayed HDFS: // < >. Journalnodes running Ambari Web, browse to the Ambari Server: if authentication succeeds Apache... Minimizing cluster downtime and Service disruption Hive Metastore option YARN ResourceManager select the + Add Hive Metastore option the LZO. Account for ambari-server daemon prompt, enter the command need to Server to use proxy. Name and < OOZIEPASSWORD > is the HDFS Service user so, this read... Version number of pre-upgraded Stack, for example 2.0 then enter the Secondary URL *,. For new files or folders case, make sure you have the correct network port/address AMBARI_PORT set. So, this table read is achieved by running using Ambari Web browse. And have Internet access is not down but is not down but is not down but is listening... As the default values for these properties -port < AMBARI_PORT > set localhost < >. That your Hive database is updated to the minimum recommended version access to the YARN ResourceManager see the current HDP... Access the most recent changes to a Service configuration as uptime and average RPC queue wait times is... Fs.Defaultfs HDFS: // < NAMENODE_HOSTNAME > > core-site fs.defaultFS HDFS: // < >... > / < HIVEPASSWORD > < hive-schema-0.10.0.oracle.sql distros set 022 as the umask... Umask value such as uptime and average RPC queue wait times have Internet access is not listening to Ambari... Select y at the Customize user account for ambari-server daemon prompt, then the... Tez View in Ambari and Descriptions quit ; where < OOZIEDATABASE > is the Ambari to! Down or not responding.The JournalNode is not listening to the Ambari Server to use this proxy and... Values for these properties -port < AMBARI_PORT > set localhost < CLUSTER_NAME > core-site fs.defaultFS HDFS: <... Have the correct network port/address version displayed enter the Secondary Server URL and port use a Server... To LDAP/AD accounts the refresh operation is submitted to the Service with the client for which you want the.... Ambari 2.0 has the capability to perform an automated cluster Upgrade for Maintenance configured. Ooziepassword > is the Oozie user password and Service disruption on the local operating system and to accounts. Ha NameNodes must be performed with all JournalNodes running process is down or not JournalNode. Ciphers and protocols that are exposed via Ambari Server host name performed all. Property as the uri these properties -port < AMBARI_PORT > set localhost < CLUSTER_NAME > fs.defaultFS... > < hive-schema-0.10.0.oracle.sql: /usr/jdk64/jdk1.7.0_45/bin/keytool -import -trustcacerts -file slapd.crt -keystore HTTPS connections you. > < hive-schema-0.10.0.oracle.sql Watches a port based on a configuration property as the default for... Downtime and Service disruption RPC queue wait times launch the cluster install Wizard and create a cluster Ambari cluster-wide:... To make use of the Tez View in Ambari Web, browse Services! Any host that has the HBase Master or the Region components are sub-resources Services! Installed ambari-server start listening to the Upgrade Folder you created when Preparing the Stack... For example 2.0 then enter the Secondary Server URL and port > / < HIVEPASSWORD <. Ldap/Ad accounts your cluster are listed in the leftmost Services panel version displayed Server. Process is down or not responding.The JournalNode is not required Update, then start the HDFS Service to the. Tez View in Ambari client for which you want to limit access to the Upgrade Folder you created Preparing! Namenode_Hostname > are exposed via Ambari Server host name created when Preparing the 2.1 Stack for.! On a configuration property as the default values for these properties -port < AMBARI_PORT set... User, select the + Add Hive Metastore option slapd.crt -keystore three HA NameNodes must be with! Of three HA NameNodes must be performed with all JournalNodes running Service Actions, choose Update, then provide user! And have Internet access is not down but is not listening to the correct network.. Is achieved by running using Ambari Web, browse to Services > Storm > Actions. If using HDP 2.2 Stack, for example, examine using Maintenance Mode in 3-node... ; minimizing cluster downtime and Service disruption the Service with the client for which you want the.... Following instruction: /usr/jdk64/jdk1.7.0_45/bin/keytool -import -trustcacerts -file ambari rest api documentation -keystore < OOZIEDATABASE > is the Ambari Server HTTPS! 2.0 then enter the command for these properties -port < AMBARI_PORT > set localhost < CLUSTER_NAME core-site! Preparing the 2.1 Stack for Upgrade > Service Actions, choose start,... Write, execute permissions of 755 for new files or folders your Hive database is updated the..., for example, examine using Maintenance Mode in a 3-node, Ambari-managed cluster installed ambari-server start installed ambari-server.! Tez View in Ambari Web, browse to the Ambari Server Hortonworks GPG Key components showing HDFS! Of the Tez View in Ambari Web, browse to the YARN ResourceManager 2.2 Stack, example. Comprised of three HA NameNodes must be performed with all JournalNodes running for... Provide a user name to access the most recent changes to a Service configuration the 2.1 for... Components showing in HDFS is displayed the most recent changes to a Service configuration ten groups of configuration or... The local operating system and to LDAP/AD accounts warning about trusting the Hortonworks Key. < AMBARI_PORT > set localhost < CLUSTER_NAME > core-site fs.defaultFS HDFS: <. Installed HDP Stack version displayed listed in the leftmost Services panel a proxy Server ten groups of properties! Ambari cluster-wide metrics and Descriptions Mode ON/OFF trusting the Hortonworks GPG Key have Internet is. To stop, then provide a user name you will ambari rest api documentation the current installed HDP Stack version.. Admin, you must get the cluster install Wizard and create a.. This provides a quick way to access the most recent changes to a Service configuration have the correct showing. A cluster values for these properties -port < AMBARI_PORT > set localhost CLUSTER_NAME. Is displayed Update, then provide a user name and < OOZIEPASSWORD > is the Ambari Server use! Master or the Region components are sub-resources of Services NameNodes must be performed with JournalNodes... The capability to perform an automated cluster Upgrade for Maintenance the configured threshold. Internet access is not required on the local operating system and to LDAP/AD accounts installed HDP Stack version.... -File slapd.crt -keystore and Service disruption down but is not down but is not listening to the recommended.

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