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

idanb idanb at mellanox.com
Mon Oct 30 03:31:06 PDT 2017



On 10/30/2017 11:44 AM, 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?



More information about the Linux-nvme mailing list