[LARTC] TC (HTB) doesn't work well when network is congested?

[Georgi Alexandrov]

William Xu wrote:
> Thank you, Peter,
> 
> After changing CONFIG_HZ to 1000, TC works much better. I still need to
> limit the total bandwidth
> to 110MB/s (about 90% of 125MB/s), but that's normal I guess.
<snip>

Yes, it's normal. Depending on the situation and tests you'll be
allocating about 90% - 99% of the actual link capacity to tc. 100% will
generally never work good as link queues start filling up and you don't
want this. You (tc) should be the bottleneck of the link thus you can
say what and how much goes where.

-- 
regards,
Georgi Alexandrov

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