Re: htb2 -> htb3 problems

Linux Advanced Routing and Traffic Control

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> I need to switch from htb2 to htb3, because of speed issues (for me,
> htb2 is unable to handle more then 100mbit duplex with ~550 classes),
> kernel profiling shows htb_dequeue_prio at 1st place with 3x isolation.
>
> So, I've moved from 2.4.19 to 2.4.25 kernel (hi-pac for classification/marking
> and htb3 for queueing), and traffic rate drop from 100 to 20mbit.
>
> What can be wrong? The only change I see is htb2 -> htb3

Hello,

I suppose the drop you see is CPU bound ? Did you profiled it
again ?
Both HTB algorithms are very different  so that one can expect
different behavior with different data/rules. But I can admit
that this 5x drop is rather big and unfortunate.

devik

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