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Typically the `go runtime` occupies about 20-30M memory under different test cases.

> On Sep 20, 2019, at 9:54 AM, 杨波 via kata-dev <kata-dev at lists.katacontainers.io> wrote:
> 
> I think the extra money is spent in go  runtime, probably.
> 
> ------------------------------------------------------------------
> 发件人：Dr. David Alan Gilbert <dgilbert at redhat.com>
> 发送时间：2019年9月19日(星期四) 16:28
> 收件人：杨波(兵卫) <yb203166 at antfin.com>
> 抄　送："Boeuf, Sebastien" <sebastien.boeuf at intel.com>; Samuel Ortiz <sameo at linux.intel.com>; kata-dev <kata-dev at lists.katacontainers.io>
> 主　题：Re: [kata-dev] 回复： 回复： rust kata-agent status update
> 
> * 杨波 via kata-dev (kata-dev at lists.katacontainers.io) wrote:
>> go-agent: about 11M 
>> rust-agent: about 1.1M
> 
> Do you understand why? That's a big difference - I wonder where the
> extra memory goes?
> 
> Dave
> 
>> It is also in README.md at here: https://github.com/alipay/kata-rust-agent/blob/master/README.md
>> 
>> 
>> 
>> 
>> 
>> ------------------------------------------------------------------
>> 发件人：Boeuf, Sebastien <sebastien.boeuf at intel.com>
>> 发送时间：2019年9月19日(星期四) 05:28
>> 收件人：杨波(兵卫) <yb203166 at antfin.com>; Samuel Ortiz <sameo at linux.intel.com>
>> 抄 送：kata-dev <kata-dev at lists.katacontainers.io>
>> 主 题：RE: [kata-dev] 回复： rust kata-agent status update
>> 
>> Hi,
>> 
>> I love the footprint drop due to using Rust :)
>> Instead of giving only the numbers from the Rust agent, could you show the difference between the Golang agent and Rust agent?
>> 
>> Thanks,
>> Sebastien
>> 
>> From: 杨波 via kata-dev [kata-dev at lists.katacontainers.io]
>> Sent: Sunday, September 15, 2019 6:52 PM
>> To: Samuel Ortiz
>> Cc: kata-dev
>> Subject: [kata-dev] 回复： rust kata-agent status update
>> 
>> footprint:
>> RssAnon: 1700 kB
>> RssFile: 1632 kB
>> 
>> We choose grpc-rs because it is verified in product environment, grpcio is not.
>> 
>> 
>> 
>> ------------------------------------------------------------------
>> 发件人：Samuel Ortiz <sameo at linux.intel.com>
>> 发送时间：2019年9月12日(星期四) 20:44
>> 收件人：杨波(兵卫) <yb203166 at antfin.com>
>> 抄 送：kata-dev <kata-dev at lists.katacontainers.io>; 王旭(循环) <gnawux at alibaba-inc.com>
>> 主 题：Re: [kata-dev] rust kata-agent status update
>> 
>> Hi,
>> 
>> A couple of questions:
>> 
>> 1) Do we know what the grps-rs memory footprint is?
>> 2) What was the rationale behind picking grps-rs over e.g. grpcio?
>> 
>> Cheers,
>> Samuel.
>> 
>> On Thu, Sep 12, 2019 at 04:53:29PM +0800, 杨波 via kata-dev wrote:
>>> Hi, folks:
>>> Let me update some progress of the rust agent.
>>> First of all, thanks for James' kindly help on the project.
>>> The functions of rust agent are almost finished. we have fixed several bugs to stablize it. Ci and osbuilder are still missing. We have to run end-to-end tests manually right now.
>>> 
>>> - Refactor rust agent API. Remove overused matches, clean up code
>>> - Refactor communication between parent/child/grandchild, use raw bytes instead of serde_json to simplify communication
>>> - Refactor Process struct, remove duplicate/unused fields
>>> - Add Makefile to simplify building --- by jodh-intel
>>> - Fix up unit test for netlink
>>> - Fix up test run against musl and release
>>> - Implement debug console support
>>> - Implement command line parse partly
>>> - Implement Spec valaidator
>>> - Implement Hook infrastructure
>>> 
>>> We are targeting to land the rust agent to Kata org by October, and you may check out the current WIP repo here: https://github.com/alipay/kata-rust-agent
>>> 
>>> Cheers!
>>> 
>> 
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>> 
>> 
> 
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> --
> Dr. David Alan Gilbert / dgilbert at redhat.com / Manchester, UK
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