>>that'd drop all old statistics, and be a bit of a nuisance to upgrade inside >>a cluster (old nodes get stuff they do not comprehend).
oh ok, I thinked that rrd was able to add new value. (don't have used rrd since a long time since I'm using influxdb or other metrics databases) I'll look to add them in separated rrd files Le sam. 24 oct. 2020 à 17:43, Thomas Lamprecht <t.lampre...@proxmox.com> a écrit : > > On 24.10.20 15:46, Alexandre Derumier wrote: > >> Sounds reasonable. We just need to find a way to add new values > >> in a compatible way. > > > > Last time in 2013, we had added a new rrd "pve2.3-vm/" > > https://lists.proxmox.com/pipermail/pve-devel/2013-January/005612.html > > that'd drop all old statistics, and be a bit of a nuisance to upgrade inside > a cluster (old nodes get stuff they do not comprehend). > > We may rather want to have a new, separate, file for this. > We could add general support for and error handling now, and to the final add > with 7.0 next year or so. Maybe there's even a way to add it now without other > nodes producing errors, but from top of my head I am not sure.. > > In Proxmox Backup Server we have each metric in a separate file, makes it a > bit > easier to extend on. > > # ls -l /var/lib/proxmox-backup/rrdb/host/ > total 160 > -rw-r--r-- 1 backup backup 6008 Oct 23 07:45 cpu > -rw-r--r-- 1 backup backup 6008 Oct 23 07:45 io_ticks > -rw-r--r-- 1 backup backup 6008 Oct 23 07:45 iowait > -rw-r--r-- 1 backup backup 6008 Oct 23 07:45 loadavg > -rw-r--r-- 1 backup backup 6008 Oct 23 07:45 memtotal > -rw-r--r-- 1 backup backup 6008 Oct 23 07:45 memused > -rw-r--r-- 1 backup backup 6008 Oct 23 07:45 netin > -rw-r--r-- 1 backup backup 6008 Oct 23 07:45 netout > -rw-r--r-- 1 backup backup 6008 Oct 23 07:45 read_bytes > -rw-r--r-- 1 backup backup 6008 Oct 23 07:45 read_ios > -rw-r--r-- 1 backup backup 6008 Jun 4 18:03 read_ticks > -rw-r--r-- 1 backup backup 6008 May 28 13:00 roottotal > -rw-r--r-- 1 backup backup 6008 May 28 13:00 rootused > -rw-r--r-- 1 backup backup 6008 Oct 23 07:45 swaptotal > -rw-r--r-- 1 backup backup 6008 Oct 23 07:45 swapused > -rw-r--r-- 1 backup backup 6008 Oct 23 07:45 total > -rw-r--r-- 1 backup backup 6008 Oct 23 07:45 used > -rw-r--r-- 1 backup backup 6008 Oct 23 07:45 write_bytes > -rw-r--r-- 1 backup backup 6008 Oct 23 07:45 write_ios > -rw-r--r-- 1 backup backup 6008 Jun 4 18:03 write_ticks > > > We could say we keep the base stuff as is in a single file and add > the new one with a "<vmid>.<metric-name>" scheme. > > _______________________________________________ pve-devel mailing list pve-devel@lists.proxmox.com https://lists.proxmox.com/cgi-bin/mailman/listinfo/pve-devel
