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Kibana

Missing Configuration

You receive the following warning:

Configuration missing
`server.publicBaseUrl` is missing and should be configured when running in a production environment. Some features may not behave correctly. ...

This may occur in older chromium-based browsers.

Solution:

  1. Check the following key in the kibana.yml:

    server.publicBaseUrl: http://publicBaseUrl:5601

  2. Check your browser version and update the browser to the latest release, if necessary.

Deprecated Configuration or Insufficient Hard Disk Space

Since the SEAL Elastic Stack installation sets up a single node cluster, the default of the following parameter has been set to false:

cluster.routing.allocation.disk.watermark.enable_for_single_data_node

For SEAL Elastic Stack 8.x and later versions, this parameter is deprecated and no longer evaluated. Instead, the following parameter is evaluated:

cluster.routing.allocation.disk.watermark.low

Default is 15%.

If the available disk space is less than 15% after the update, SEAL Elasticsearch restricts its range of functions, e. g. Kibana does not start any more,because existing indices cannot be converted to the new version.

Error behavior: Kibana does not start after having been updated.

Solution:

  1. Check the available hard disk space and increase it, if necessary.

  2. Elasticsearch B.V. recommends checking the remaining hard disk space according to other criteria that may be more suitable for the installation in question.

    For details on this, see Disk-based Shard Allocation Settings. A Shard is an internal memory unit.

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