Messages in this thread |  | | From | "Stephen Bates" <> | Subject | Re: [PATCH v2 10/10] nvmet: Optionally use PCI P2P memory | Date | Thu, 1 Mar 2018 23:32:46 +0000 |
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> No, locality matters. If you have a bunch of NICs and bunch of drives > and the allocator chooses to put all P2P memory on a single drive your > performance will suck horribly even if all the traffic is offloaded.
Sagi brought this up earlier in his comments about the _find_ function. We are planning to do something about this in the next version. This might be a randomization or a "user-pick" and include a rule around using the p2p_dev on the EP if that EP is part of the transaction.
Stephen
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