EXTERNAL_CONFIG_CHECK

Tests the Hadoop configuration of a Vertica cluster. This function tests HDFS configuration files, HCatalog Connector configuration, and Kerberos configuration.

This function calls the following functions:

• KERBEROS_CONFIG_CHECK
• HADOOP_IMPERSONATION_CONFIG_CHECK
• HDFS_CLUSTER_CONFIG_CHECK
• HCATALOGCONNECTOR_CONFIG_CHECK

If you call this function with an argument, it passes the argument to functions it calls that also take an argument.

This is a meta-function. You must call meta-functions in a top-level SELECT statement.

Behavior type

Syntax

EXTERNAL_CONFIG_CHECK( ['what_to_test' ] )

Arguments

what_to_test

A string specifying the authorities, nameservices, and/or HCatalog schemas to test. The format is a comma-separated list of "key=value" pairs, where keys are "authority", "nameservice", and "schema". The value is passed to all of the sub-functions; see those reference pages for details on how values are interpreted.

Privileges

This function does not require privileges.

Examples

The following example tests the configuration of only the nameservice named "ns1". Output has been omitted due to length.

=> SELECT EXTERNAL_CONFIG_CHECK('nameservice=ns1');