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Wizard StepStep Short Description (SSD)Step Long Description (SLD)Step Fields LabelsField Validation
1General InformationSpecifies the name and the description of Namespace
  • Name (Text Box)
  • Description (Text Area)
  • Scheduler Queue (Text Box)
  • Name (Required)
    • Max Length : 32
    • No special characters, only _ (underscore)
    • UTF8
  • Description (Optional)
    • Max Length : 256
    • UTF8
  • Scheduler Queue (Optional)
    • Max Length : 32
    • Can have . (dot), _ (underscore) 
2Namespace MappingSpecifies mapping of namespace resources to the underlying existing storage resources
  • HDFS Root Directory (Text Box)
  • Hive Database Name (Text Box)
  • HBase Namespace Name (Text Box)
  • HDFS Root Directory
    • Has to start with / (nothing before that)
  • Hive Database Name
    • Max Length : 32
    • A-Za-z0-9
  • HBase Namespace Name
    • Max Length : 32
    • No . (dot), _ (underscore) or special characters
3SecuritySpecifies credentials for securely impersonating programs running as specified user
  • Principal (Text Box)
  • Keytab URI (Text Box)
  • Principal
    • Max Length : 32
    • No special Characters
  • Keytab URI
    • Starts with hdfs:// or file:///
4PreferencesSpecify preferences to applied at the namespace level
  • <Name, Value>[,<Name, Value>]+ - A Key value pair. (Key / Value Component)
  • Name
    • Max Length : 32
  • Value
    • Max Length : 512

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Code Block
languagetext
Configure:
  Add-Namespace:
     Step1:
       ssd-label: "General Information"
       sld-desc:  "Specifies the name and the description of Namespace"
       name-label: "Name"
       name-placeholder: "Name of the namespace you would like to have"
       description-label: "Description"
       description-placeholder: "Description"
       scheduler-queue-label: "Scheduler Queue"
       scheduler-queue-placeholder: "Specify the YARN queue name to be associated with this namespace"
    Step2:
       ssd-label: "Namespace Mapping"
       sld-label: "Specifies mapping of namespace resources to the underlying existing storage resources"
       hdfs-root-directory-label: "HDFS Root Directory"
       hdfs-root-directory-placeholder: "Specify the root directory of HDFS to be used as this namespace root"
       hive-db-name-label: "Hive Database Name"
       hive-db-name-placeholder: "Specify the Hive database name to be used for this namespace"
       hbase-nm-name-label: "HBase Namespace Name"
       hbase-nm-name-placeholder: "Specify the name of the existing namespace in HBase to be used for this namespace"
    Step3:
       ssd-label: "Security"
       sld-label: "Specifies credentials for securely impersonating programs running as specified user"
       principal-label: "Principal"
       principal-placeholder: "Specifies the user to be impersonated for all jobs running in this namespace"
       keytab-uri-label: "Keytab URI"
       keytab-uri-placeholder: "Specifies the location to keytab file associated with the principal"
    Step4:
       ssd-label: "Preferences"
       sld-label: "Specify preferences to applied at the namespace level"
       name-label: "Name"
       name-placeholder: "Preference name"
       value-label: "Value"
       value-placeholder: "Preference value"
    Status:
       creation-error-desc: "Failed to create namespace '%s'"
       creation-success-desc: "Successfully created namespace '%s'"