[PATCH 2/2] nvme-rdma: Add remote_invalidation module parameter

[idanb]

On 10/30/2017 12:33 PM, Sagi Grimberg wrote:
>
>
>>>> I agree we should fix this, nevertheless I don't expect this to 
>>>> create an IO rate issue for long queue depths.
>>>> Indeed we will have a tradeoff here of latency vs rate.
>>>
>>> I suggest we hold back with this one for now, I have fixes for
>>> the local invalidate flow. Once we get them in we can see if
>>> this approach makes a difference, and if so, we need to expose
>>> it through a generic mechanism.
>>
>> I suggest that you'll post the patches to the list and we'll investigate
>> the latency implications, if the implications are negligible, we have a
>> win here for small IOs.
>>
>> When will you be able to post your patches?
>
> I can post them now, but I prefer to test them first ;)

Sounds good, we will check once you'll post them.
I expect no impact on IOPs,  just latency.