18 lines
840 B
YAML
18 lines
840 B
YAML
---
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features:
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- |
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Prometheus version 2.x deployment added. This version is enabled by
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default and replaces a forward-incompatible version 1.x. A variable
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``prometheus_use_v1`` can be set to ``yes`` to preserve version
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1.x deployment with its data. Otherwise, Prometheus will start with
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a new volume, ignoring all previously collected metrics.
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upgrade:
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- |
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New Prometheus version ignores previously stored metrics. If you
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want to keep using 1.x with the old data, set ``prometheus_use_v1``
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variable to ``yes``. The old data is not removed, please read the
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docs for details. Please also make sure you adapt changes in command
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line options if they were ever customized in your environment because
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Prometheus 2.x has different syntax (``--option`` with double dashes
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instead of ``-option``).
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