[tor-bugs] #33786 [Internal Services/Tor Sysadmin Team]: establish the "standard" virtual machine / instance size in Ganeti

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#33786: establish the "standard" virtual machine / instance size in Ganeti
-----------------------------------------------------+-----------------
     Reporter:  anarcat                              |      Owner:  tpa
         Type:  task                                 |     Status:  new
     Priority:  Low                                  |  Milestone:
    Component:  Internal Services/Tor Sysadmin Team  |    Version:
     Severity:  Minor                                |   Keywords:
Actual Points:                                       |  Parent ID:
       Points:                                       |   Reviewer:
      Sponsor:                                       |
-----------------------------------------------------+-----------------
 Ganeti clusters can define parameters for minimum, maximum and "standard"
 instance sizes. This is currently:

 {{{
 # gnt-cluster info
 [...]
 Instance policy - limits for instances:
   bounds specs:
     - max/0:
         cpu-count: 8
         disk-count: 16
         disk-size: 1048576
         memory-size: 32768
         nic-count: 8
         spindle-use: 12
       min/0:
         cpu-count: 1
         disk-count: 1
         disk-size: 1024
         memory-size: 128
         nic-count: 1
         spindle-use: 1
   std:
     cpu-count: 1
     disk-count: 1
     disk-size: 1024
     memory-size: 128
     nic-count: 1
     spindle-use: 1
   allowed disk templates: drbd, plain
   vcpu-ratio: 4
   spindle-ratio: 32
 [...]
 }}}

 We should at least define some sort of "standard" here and define what the
 minimum and maximums should be.

 for what it's worth, the average memory size right now is around 5GB

 {{{
 root@fsn-node-01:~# echo \($(gnt-instance list | awk '{ print $NF }' |
 grep G'$' | sed 's/G$/+/')0\) / $(gnt-instance list | awk '{ print $NF }'
 | grep G'$' | wc -l) | bc -l
 4.80769230769230769230
 }}}

 more investigation would be required to evaluate standard disk and CPU
 sizes.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/33786>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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