From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qt0-f179.google.com (mail-qt0-f179.google.com [209.85.216.179]) by dpdk.org (Postfix) with ESMTP id BAFE7324E; Wed, 21 Jun 2017 05:35:57 +0200 (CEST) Received: by mail-qt0-f179.google.com with SMTP id i2so261235qta.3; Tue, 20 Jun 2017 20:35:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:in-reply-to:references:from:date:message-id:subject:to; bh=d45wWFappxz8BWErVHoLWSOZiU4vYZzwqmozjIlUgdY=; b=phmuiZlnFmmnlLBjk3oK7Z97eY9uoxlrB2y0G2yla/rHprGsfWOwqVEAHFCtj5Alym AvJqGTr6c6Yc6PmdAqFc3385nApl5iesQRwzErw6Jp56kAUg0+CZVsocFP3/pmOLqmIa GyBvZYZEiAIcUReOHhD2qyfNQaMjyfMK4kuS4ZR+LQGKAwAXEKnGSJlGid45oTwWftP7 ady+/k/T+GcRu6iT60sGyJwKPJGZCb21MYrrsbFjDtxobbOrvqFsbbm4VGfV+TxTT03w Y44JofWyTLGjmEtZCpXXxBwPxjuiKUcW3Bp9T6RiZOXDWBktgf+Up0fHtADXrOQmMTru gBkA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to; bh=d45wWFappxz8BWErVHoLWSOZiU4vYZzwqmozjIlUgdY=; b=DBGxEsDufEOvFKJHrpbXn3JoVy4mCBbgCZnJCblw7Sn3JqbS8LYUxXrkoaDO2xUcVP 4uOKogSzRIvVz0Camz46C5XKXToB1OU4xf2KWuGsbP0GH2q0KX4EEnB7AYeknrYIZkXI gOtSUkLj2OISRAd/JfJ6+jQszYVmFNBkVtwQMldm2eqzXQh/s72mfsEoMifphl7Akkko 6SSo3uQ0l+nNnniPGGkdijDNKYJa727iu5HLPXeaSmtF0BT41kCt0G+4dIDZmFBXHH1K xHrDa2uUycu0dHCcrauZ4/Up1Y7YQy7M2008mUgZeqrkno7Qw/5J19A/l7SjHNS4rEtp gSSg== X-Gm-Message-State: AKS2vOxM0ggDhiW+fqVhk6AE6c3paRNMdjmDoDXwXHA+JuoCA0/V624U vhOf/f9WD6Q6uArWfcwnBb/nZq19iA== X-Received: by 10.200.42.177 with SMTP id b46mr37029884qta.122.1498016157005; Tue, 20 Jun 2017 20:35:57 -0700 (PDT) MIME-Version: 1.0 Received: by 10.140.90.72 with HTTP; Tue, 20 Jun 2017 20:35:56 -0700 (PDT) In-Reply-To: References: From: Sam Date: Wed, 21 Jun 2017 11:35:56 +0800 Message-ID: To: dev@dpdk.org, users@dpdk.org, qemu-devel@nongnu.org, qemu-discuss@nongnu.org Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.15 Subject: Re: [dpdk-dev] Will huge page have negative effect on guest vm in qemu enviroment? X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 21 Jun 2017 03:35:58 -0000 BTW, we also think about use ovs-dpdk in docker enviroment, but test result said it's not good idea, we don't know why. 2017-06-21 11:32 GMT+08:00 Sam : > Hi all, > > We plan to use DPDK on HP host machine with several core and big memory. > We plan to use qemu-kvm enviroment. The host will carry 4 or more guest vm > and 1 ovs. > > Ovs-dpdk is much faster then normal ovs, but to use ovs-dpdk, we have to > enable huge page globally. > > My question is, will huge page enabled globally have negative effect on > guest vm's memory orperate or something? If it is, how to prevent this, or > could I enable huge page on some core or enable huge page for a part of > memory? > > Thank you~ >