From: "Tim Deng" <dpdkdev@126.com>
To: "Ouyang, Changchun" <changchun.ouyang@intel.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [dpdk-dev] Is vhost vring_avail size tunable?
Date: Mon, 8 Jun 2015 19:49:44 +0800 (CST) [thread overview]
Message-ID: <7e7b085e.158b1.14dd301411e.Coremail.dpdkdev@126.com> (raw)
In-Reply-To: <F52918179C57134FAEC9EA62FA2F962511B84F93@shsmsx102.ccr.corp.intel.com>
Thank you Changchun!
Tim
在 2015-06-08 09:56:43，"Ouyang, Changchun" <changchun.ouyang@intel.com> 写道：
>
>> -----Original Message-----
>> From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Tim Deng
>> Sent: Sunday, June 7, 2015 4:02 PM
>> To: dev@dpdk.org
>> Subject: [dpdk-dev] Is vhost vring_avail size tunable?
>>
>>
>> Hi,
>>
>> Under heavy work load, I found there were some packet lost caused by
>> "Failed to get enough desc from vring...", is there any way to get the vring
>> size larger?
>>
>
>Qemu has hard code to set the vring size as 256, you need change the value to a bigger one if you want to enlarge it.
>
>Thanks
>Changchun
>
next prev parent reply other threads:[~2015-06-08 11:49 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-06-07 8:02 Tim Deng
2015-06-08 1:56 ` Ouyang, Changchun
2015-06-08 11:49 ` Tim Deng [this message]
2015-06-10 0:49 ` Stephen Hemminger
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