Re: Chelsio Forwarding performance and RELENG_13 vs RELENG_12

From: mike tancsa <mike_at_sentex.net>
Date: Fri, 21 Oct 2022 18:15:06 UTC
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 ?

     ---Mike