Sorry to weigh in here, but do you foresee any issues if we develop a conversion tool to change the version number in index files back to 2 before a rollback? Prometheus V2 (starting from some older versions) has already stopped reading/parsing index label index 1...N and the label index table, correct? Is there anything else we should consider? Thanks!
Best regards Gavine On Tuesday, 21 January 2025 at 12:32:11 am UTC+11 Harpreet Rekhi wrote: > Hello Ben > > Two steps rollback is also not supported ? Like rollback from v3.x to > v2.55 and then rollback from v2.55 to v2.53 without breaking the storage > format or storage compatibility? > > Regards > HarpreetR > > On Mon, Jan 20, 2025 at 6:52 PM Ben Kochie <sup...@gmail.com> wrote: > >> On Mon, Jan 20, 2025 at 2:06 PM Harpreet Singh <harpre...@gmail.com> >> wrote: >> >>> Yes, we do have a requirement to support rollback from v3.x to a version >>> below v2.55 , for example v2.53. >>> Does it cause any downtime or imcompatibility between releases? >>> >> >> This is not supported. The storage format is incompatible. >> >> >>> >>> And till when is the support for v2.55 ? >>> >> >> There is none, it is now an old release. >> >> >>> >>> On Monday, 20 January 2025 at 15:36:34 UTC+5:30 Ben Kochie wrote: >>> >>>> On Mon, Jan 20, 2025 at 11:01 AM Harpreet Singh <harpre...@gmail.com> >>>> wrote: >>>> >>>>> Hello Community >>>>> >>>>> Since Promethues v3 has been released and currently I am using v2.53. >>>>> And to upgrade to v3, I first have to update to v2.55 to make the TSDB >>>>> ready for v3. >>>> >>>> >>>> It is not strictly required to upgrade to v2.55.x. It is only necessary >>>> to run v2.55.x if you need to downgrade from v3.x. Only v2.55.x supports >>>> some small changes to the TSDB format. >>>> >>>>> >>>>> >>>>> - Will Promethues be maintaining 2 seperate tracks on v2 and v3 ? >>>>> >>>>> No >>>> >>>>> >>>>> - How long (duration) will these seperate tracks be maintained ? >>>>> >>>>> Only the 2.53.x LTS track will be supported. >>>> >>>> https://prometheus.io/docs/introduction/release-cycle/ >>>> >>>> >>>>> >>>>> - And what will be maintained in these 2 seperate tracks like >>>>> Fault correction, CVE etc.? >>>>> >>>>> No, only for the LTS release. >>>> >>>> >>>>> >>>>> -- >>>>> 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 prometheus-use...@googlegroups.com. >>>>> To view this discussion visit >>>>> https://groups.google.com/d/msgid/prometheus-users/fef76c24-9707-4199-affb-b9052a214570n%40googlegroups.com >>>>> >>>>> <https://groups.google.com/d/msgid/prometheus-users/fef76c24-9707-4199-affb-b9052a214570n%40googlegroups.com?utm_medium=email&utm_source=footer> >>>>> . >>>>> >>>> -- >>> 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 prometheus-use...@googlegroups.com. >>> To view this discussion visit >>> https://groups.google.com/d/msgid/prometheus-users/71a94fdf-e6de-400e-beb1-78408e65dfbbn%40googlegroups.com >>> >>> <https://groups.google.com/d/msgid/prometheus-users/71a94fdf-e6de-400e-beb1-78408e65dfbbn%40googlegroups.com?utm_medium=email&utm_source=footer> >>> . >>> >> -- 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 prometheus-users+unsubscr...@googlegroups.com. To view this discussion visit https://groups.google.com/d/msgid/prometheus-users/8bbb453c-d992-4ac1-bde6-fff485a0eea4n%40googlegroups.com.
