[ENBD] 2.4.32 conclusions

[Anders Blomdell]

>> Server:
>>   2012 root      18   0  2064 2064 1612 S 16.0  0.2   0:27.00 enbd-server
>>   2013 root      10   0  2064 2064 1612 D 11.7  0.2   0:26.95 enbd-server
>>   2014 root      10   0  2064 2064 1612 D  9.3  0.2   0:26.45 enbd-server
>>   2011 root       9   0  2064 2064 1612 D  3.3  0.2   0:25.91 enbd-server
>> servers does a lot of recv's and writes (20-40 MBytes/s)
>
> The servers, which are entirely userspace, look in worse shape. Three of 
> them
> are starving! They are writing to disk and can't get back acks as fast as 
> they can
> write.
>
              'D' = uninterruptible sleep
How does one know that it is not disk-writing that is blocking (20-40 
MBytes/s
semms OK for an ide disk)

/Anders