[pve-devel] Count monthly traffic
dietmar at proxmox.com
Wed Apr 17 07:24:33 CEST 2013
> Am 12.03.2013 18:53, schrieb Dietmar Maurer:
> >> Why does a single file creates less load? Both contain the same amount of
> > A VM can use up to 32 network devices. Updating 32 files create more load
> than updating a single file?
> I want to proceed with this one. First i need to know how it works.
> There is:
> Extract/read data FROM RRD:
The basic support is in PVE::Cluster (broadcast_rrd, create_rrd_data, create_rrd_graph)
> Get VM Status and store these data in a hash:
> /usr/share/perl5/PVE/QemuServer.pm: sub vmstatus
> Then there is status.c in pve-cluster which has update_rrd_data.
> So status.c seems to create and update the rrd files.
> Who calls it and how does it get it's data?
Data is sent wit corosync when you do PVE::Cluster::broadcast_rrd()
> So with my idea i need to add another struct rrd_def_vm_net and
> another folder pve2-net?
It is still not clear if we want a single file, or multiple files. I guess this requires
careful evaluation. How does such system behave when we have 3000VMs? We need
to test that before we go further.
More information about the pve-devel