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Help Center/ MapReduce Service/ Component Operation Guide (Normal)/ Using Impala/ Interconnecting Impala with External LDAP

Interconnecting Impala with External LDAP

Updated on 2024-12-11 GMT+08:00

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This section applies to MRS 3.1.0 or later.

Log in to Manager.
On Manager, choose Cluster > Name of the desired cluster > Services > Impala > Configurations > All Configurations > Impalad(Role) > LDAP.

Set the following parameters.

**Table 1** Parameter configuration
Parameter	Description	Remarks
--enable_ldap_auth	Whether to enable LDAP authentication	Value: true or false
--ldap_bind_pattern	LDAP user DN pattern	Example: cn=#UID,ou=People,dc= huawei,dc=com or cn= %s,ou=People,dc= huawei,dc=com
--ldap_passwords_in_clear_ok	Whether the LDPA password is sent in plaintext	If this parameter is set to true, the LDAP password can be sent in plaintext. Value: true or false NOTE: If --enable_ldap_auth is set to true, the LDAP TLS protocol is disabled by default during authentication. Therefore, you need to set --ldap_passwords_in_clear_ok to true. Otherwise, the Impalad role will fail to be started. To enable the Ldap TLS protocol, set --ldap_tls to true in the customized configuration of the Impalad role. After the configuration, the password can be sent in ciphertext.
--ldap_uri-ip	LDAP IP address	-
--ldap_uri-port	LDAP port number	Default value: 389

After the modification, click Save in the upper left corner. In the displayed dialog box, click OK.
Choose Cluster > Name of the desired cluster > Services > Impala > Instance. On the displayed page, select the instances whose Configuration Status is Expired, choose More > Restart Instance, and restart the instance.

Parent topic: Using Impala

Previous topic: Using Impala to Operate Kudu Tables

Next topic: Enabling and Configuring a Dynamic Resource Pool for Impala

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