Hi, I would say „It depends“ - as it always does. I have had a 21 Node Cluster running in Production in one DC with versions ranging from 3.11.1 to 3.11.6 without having had any single issue for over a year. I just upgraded all nodes to 3.11.6 for the sake of consistency.
Von meinem iPhone gesendet > Am 24.06.2020 um 02:56 schrieb Surbhi Gupta <surbhi.gupt...@gmail.com>: > > > > Hi , > > We have recently upgraded from 3.11.0 to 3.11.5 . There is a sstable format > change from 3.11.4 . > We also had to expand the cluster and we also discussed about expansion first > and than upgrade. But finally we upgraded and than expanded. > As per our experience what I could tell you is, it is not advisable to add > new nodes on higher version. > There are many bugs which got fixed from 3.11.3 to 3.11.6. > > Thanks > Surbhi > >> On Tue, Jun 23, 2020 at 5:04 PM Jai Bheemsen Rao Dhanwada >> <jaibheem...@gmail.com> wrote: >> Hello, >> >> I am trying to upgrade from 3.11.3 to 3.11.6. >> Can I add new nodes with the 3.11.6 version to the cluster running with >> 3.11.3? >> Also, I see the SSTable format changed from mc-* to md-*, does this cause >> any issues? >>
