mirror of https://github.com/prometheus/prometheus
commit
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@ -112,7 +112,7 @@ may now fail if this fallback protocol is not specified.
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The TSDB format has been changed slightly in Prometheus v2.55 in preparation for changes
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to the index format. Consequently, a Prometheus v3 TSDB can only be read by a
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Prometheus v2.55 or newer. Keep that in mind when upgrading to v3 -- you will be only
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able to downgrade to v2.55, not lower, without loosing your TSDB persitent data.
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able to downgrade to v2.55, not lower, without losing your TSDB persitent data.
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As an extra safety measure, you could optionally consider upgrading to v2.55 first and
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confirm Prometheus works as expected, before upgrading to v3.
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