To "snapshot" you will have to shut down Prometheus and backup the data.
Snapshot feature was added later in the 2.x release. Le lun. 1 juin 2020 à 10:19, Christian Hoffmann < [email protected]> a écrit : > Hi, > > On 5/31/20 9:51 AM, 'Nandeesh Bharamagoudra' via Prometheus Users wrote: > > Need a quick info, we are going to upgrade Prometheus in production from > > v2.1.0 to v2.18.0. > > My gut feeling says: It should work. > > However, I am pretty sure that there is at least one (if not more) > change which is forward-only. This means: Once you have upgraded, you > will not be able to go back without data loss. For example, 2.4.0 > updates the WAL format. After it has been updated, older versions will > no longer be able to read it. > > To be more confident, I suggest the following: > > 1) Read the changelogs of all versions in-between. There should be > disclaimers for such changes: > https://github.com/prometheus/prometheus/releases > > 2) Perform your update in your staging environment first in order to > obsevere if anything happens unexpectedly. > > 3) Create a consistent backup (Prometheus snapshot) of your data before > upgrading. > > 4) For the future: Try updating more regularly. This is what most users > do and which probably reserved way more real-world test coverage. While > the update you are planning may be expected to work, it could well be > that almost no one has performed such a large jump yet. Your version is > over two years old. This is a long time for any actively developed > software project. > > > Kind regards, > Christian > > -- > You received this message because you are subscribed to the Google Groups > "Prometheus Users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/prometheus-users/29297589-d553-c754-fd4a-b1ccdd7eee7c%40hoffmann-christian.info > . > -- You received this message because you are subscribed to the Google Groups "Prometheus Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/prometheus-users/CAFJ6V0qPJF0a%2BRoBVex6PEmECmzCKi_5d2PMWJgYdNRPQuXAvg%40mail.gmail.com.
