Managing Hive Using Cloudera Manager
Cloudera Manager uses the Hive metastore, HiveServer2, and the WebHCat roles to manage the Hive service across your cluster. Using Cloudera Manager, you can configure the Hive metastore, the execution engine (either MapReduce or Spark), and manage HiveServer2.
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How Hive Configurations are Propagated to Hive Clients
Because the Hive service does not have worker roles, another mechanism is needed to enable the propagation of client configurations to the other hosts in your cluster. In Cloudera Manager gateway roles fulfill this function. Whether you add a Hive service at installation time or at a later time, ensure that you assign the gateway roles to hosts in the cluster. If you do not have gateway roles, client configurations are not deployed.
Disabling Bypass Mode
Minimum Required Role: Configurator (also provided by Cluster Administrator, Full Administrator)
In bypass mode Hive clients directly access the metastore database instead of using the Hive Metastore Server for metastore information.- Go to the Hive service.
- Click the Configuration tab.
- Select
- Select .
- Clear the Bypass Hive Metastore Server property.
- Enter a Reason for change, and then click Save Changes to commit the changes.
- Re-deploy Hive client configurations.
- Restart Hive and any Hue or Impala services configured to use that Hive service.
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