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Rotating Ranger KMS access log files

How to configure properties that control access log file rotation in Ranger KMS service.

Ranger KMS access log files accrue in the following path: /var/log/ranger/kms/access_log.yyyy-mm-dd.log. By default, these files aren't removed which consumes free space in the /var/ directory. Currently, Ranger KMS access log files get rotated every hour , which amounts to 24 files per day.You can configure it to rotate every 24 hours using the safety valve. To do so, you must add a configuration property to the ranger-kms-site.xml file.

  1. In Cloudera Manager, select Ranger_KMS, then choose Configuration.
  2. On Configuration, in Search, type ranger-kms-site.
  3. In Ranger KMS Server Advanced Configuration Snippet (Safety Valve) for conf/ranger-kms-site.xml, click + (Add).
  4. Add a key-value pair that configures the rotation of Ranger KMS access log files.
    Name

    ranger.accesslog.dateformat

    Value

    yyyy-MM-dd

  5. Click Save Changes.

    After saving changes, the Stale Configuration icon appears on the Cloudera Manager UI. Optionally, click Stale Configuration to view details.

  6. Select Actions > Restart.

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