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---
features:
- |
Adds support for passing extra runtime options to cAdvisor via
``prometheus_cadvisor_cmdline_extras`` new variable. By default
system cgroups' metrics are disabled, plus container labels
don't get exposed to Prometheus. Expensive metrics that usually
should not be exported are also enforced to be disabled - consult
`<https://github.com/google/cadvisor/blob/master/docs/runtime_options.md#metrics>`_
for a list. These defaults create savings in resources usage by both
cAdvisor and Prometheus.
upgrade:
- |
cAdvisor has now reduced number of Prometheus metrics and labels
exported by default. This means that corresponding timeseries will
no longer be created. If existing setup relies on these, e.g. for
visualisation or alerting, they could be explicitly enabled prior to
upgrading with the ``prometheus_cadvisor_cmdline_extras`` new variable.
Reference for the possible options: `<https://github.com/google/cadvisor/blob/master/docs/runtime_options.md#metrics>`_.
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