Re: Chelsio Forwarding performance and RELENG_13 vs RELENG_12

From: Navdeep Parhar <nparhar_at_gmail.com>
Date: Fri, 21 Oct 2022 18:30:28 UTC
On 10/21/22 11:15 AM, mike tancsa wrote:
> On 10/21/2022 2:13 PM, Navdeep Parhar wrote:
>>
>>>> hw.cxgbe.ntxq=4
>>>> hw.cxgbe.nrxq=4
>>>>
>>> Thanks Navdeep!
>>>
>>> Unfortunately, still the odd dropped packet :(
>>
>> Can you try increasing the size of the queues?
>>
>> hw.cxgbe.qsize_txq=2048
>> hw.cxgbe.qsize_rxq=2048
>>
>> The stats show that you are using MTU 1500.  If you were using MTU 
>> 9000 I'd also have suggested setting largest_rx_cluster to 4K.
>>
>> hw.cxgbe.largest_rx_cluster=4096
>>
> Thanks again, just 1500 MTU.  Shall I keep nt and nrxq at 4 still ?

Yes, I think 4 queues are enough for 10G.

Regards,
Navdeep