[Zope-dev] short svn.zope.org downtime

[Wichert Akkerman]

On 4/7/10 17:14 , Jens Vagelpohl wrote:
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> On 4/7/10 17:08 , Tres Seaver wrote:
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>> I'm seeing frequent periods of 50+% packet loss to the machine, and
>> can't even get top to run on it this morning.  Any clues about what is
>> causing the load?
>
> I haven't watched it because I don't know when Theuni has set that
> particular cron job, but I bet the whole repository policy checker is
> causing a lot of load.
>
> There are many other times with high packet loss unrelated to load. Not
> sure how and why that started. It's a very recent issue.

Did you check using mtr or a similar tool at which hops the packetloss 
occur? Currently it looks this this for me:

   Host 
Loss%   Snt   Last   Avg  Best  Wrst StDev
   1. gw255.3d12.high5.net 
  0.0%   123    0.5   1.6   0.5   7.2   1.6
   2. vlan159.swcolo1.3d12.xs4all.net 
  0.0%   123    0.8   0.8   0.4   3.0   0.4
   3. 0.ge-1-2-0.xr3.d12.xs4all.net 
  0.0%   123    0.4   3.8   0.3 114.7  13.7
   4. 0.ge-1-2-0.xr1.sara.xs4all.net 
  0.0%   123    0.9   5.2   0.6 132.8  16.6
   5. 10gigabitethernet3-3.core1.ams1.he.net 
  0.0%   123    1.4   2.5   0.6  11.0   2.9
   6. 10gigabitethernet4-1.core1.nyc4.he.net 
  0.0%   123   86.8  89.2  86.0  97.7   3.5
   7. 10gigabitethernet1-2.core1.nyc1.he.net 
  0.0%   123   95.8  88.6  86.1  99.2   3.3
   8. nyiix.nyc.cavtel.net 
  0.0%   122   87.8  87.8  86.8  94.8   1.0
   9. lag-3.cr01.cleyohja.cavtel.com 
77.9%   122  15741 15370 15157 16128 278.4
  10. ???
  11. xe-1-2-2.er01.asbnvaeq.cavtel.com 
41.0%   122  103.6 104.2 102.6 122.8   3.1
  12. static-98-140-183-6.hicap.cavtel.net 
  0.0%   122  103.6 108.6 102.6 298.7  26.3
  13. v10.rd1.ric.peak10.net 
  0.0%   122  103.5 103.2 102.4 114.9   1.1
  14. cvs.zope.org 
  0.0%   122  103.5 103.5 102.4 110.3   1.5

which shows two routers at cavtel that are too busy to return a 
response, but otherwise a normal connection.

Wichert.