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Chapter 14. Monitoring Images
14.1. Overview
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You can monitor images and nodes in your instance using the CLI.
14.2. Viewing Images Statistics
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You can display usage statistics about all of the images that OpenShift Container Platform manages. In other words, all the images pushed to the internal registry either directly or through a build.
To view the usage statistics:
The command displays the following information:
- Image ID
-
Project, name, and tag of the accompanying
ImageStreamTag - Potential parents of the image, listed by their IDs
- Information about where the image is used
- Flag informing whether the image contains proper Docker metadata information
- Size of the image
14.3. Viewing ImageStreams Statistics
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You can display usage statistics about ImageStreams.
To view the usage statistics:
The command displays the following information:
-
Project and name of the
ImageStream -
Size of the entire
ImageStreamstored in the internal Red Hat Container Registry -
Number of images this particular
ImageStreamis pointing to -
Number of layers
ImageStreamconsists of
14.4. Pruning Images
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The information returned from the previous commands is helpful when performing image pruning.
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