Client Connection: HDFSS

Fields with the asterisk * are mandatory.

Properties
Description

STATUS

Enable or disable the client connection. Possible values:

  • Enabled (default)

  • Disabled

NAME *

Name of the HDFSS connection you are creating. The maximum number of characters is 128. Blanks and the ' " | special characters are not supported.

DESCRIPTION

Description of the HDFSS connection you are creating. The maximum number of characters is 2048.

HOST *

Remote host IP Address or hostname.

PORT *

Port to connect to the remote host (1 to 65535).

USERNAME

Username to be used for the connection. The maximum number of characters is 320.

PASSWORD

User password.

CONNECTION TIMEOUT *

Number of seconds without network activity to wait before closing a session due to inactivity. Default value: 60.

CLIENT KEY LABEL

Key identifier to create the SSL connection

SSL AUTHENTICATION PROTOCOL

Select the SSL authentication protocol:

  • ALL

  • ONLY SPECIFIC VALUES:

    • SSLv3

    • TLSv1

    • TLSv1_1

    • TLSv1_2

    • TLSv1_3

ACCEPTED CIPHER SUITES

Select the cipher suites. Possible values:

MATCH SERVER HOSTNAME

Specify whether the client should verify that the server’s certificate matches the hostname (the HOST value) it is connecting to.

  • Enabled: the client checks that the server’s certificate Distinguished Name (DN) includes the IP address or hostname that was contacted.

  • Disabled (default): no hostname verification is performed.

KNOX ENDPOINT *

Path or instance of Knox. This information must be provided by the System Administrator.

KNOX CLUSTER *

In this field, select the Knox topology, i.e. the configuration to access Apache Knox and Hadoop. This information must be provided by the System Administrator. Apache Knox can support one Hadoop Cluster. The configuration of the Hadoop Cluster is defined in a topology deployment descriptor file.

HDFS AUTHENTICATION *

Select the network authentication protocol. Possible values:

  • KERBEROS

  • BASIC

HDFS KEYTAB

Absolute path of the .keytab file saved on the STENG. E.g.: /etc/kerberos_guest.keytab.

USE WEB PROTOCOL WITH HDFS

Possible values:

  • Enabled

  • Disabled (default)

Enable this option if HDFS must use a proprietary or HTTP Protocol. If you enable only this option, connection to Hadoop can occur either with a proprietary protocol or with HTTP.

USE KNOX WITH HDFS

If enabled, HDFSS will use Knox. Possible values:

  • Enabled

  • Disabled (default)

MAX RETRIES *

Maximum number of retries. If this field is empty or set to 0, no retries will be executed and the job will be set to Failed if the first attempt is not successful. A high value corresponds to a high number of retrying attempts.

RETRY INTERVAL

This field will appear only if you have set the maximum numbers of retries to 1 or greater. Time (in seconds) waited before retrying executing a job. The lower the value, the more frequent the retrying attempts. If this field is empty or set to 0, no retries will be executed and the job will be set to Failed if the first attempt is not successful.

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