On Wed, Jun 7, 2017 at 1:14 PM, liuy...@cmss.chinamobile.com < liuy...@cmss.chinamobile.com> wrote:
> Hi Pranith, > > First of all, we owe you guys big thanks for your excellent work. > > I'm the lead of storage team in China Mobile, Xiubo is also in my team :) > Ah! nice :-). > > We have deployed more than 100 glusterfs nodes in producion(20 nodes for > the biggest single cluster), so far so good. Use case ranging from > image/vedio, to small files for mailbox services. > For profile stuff, we'd like to enable it as always to collect perf stat > for monitoring. > Yes, this is something FB guys do already and contributed the patches back to community. So you should be able to do this too. > > We are planing to provide cloud file service by the combination of > glusterfs and Openstack Manila this year. The enhancement of manila patches > would be sent to upsteam later. > This is good news. > > Also, I have a question for NDMP support. I bumpped one thread discussing > it but not clear yet. (http://lists.gluster.org/ > pipermail/gluster-devel/2016-August/050513.html) > > Do you have any plan to for a glusterfs-ndmp server from scratch? We are > new to the development of glusterfs, I think ndmp support would be a good > starting point for us to join the > development of the community. We'd like to see NDMP supported by > glusterfs because some of our customers want it. > I don't know enough about this. Vijay has idea about this, so will respond later. > > Yuan > ------------------------------ > > > *From:* Pranith Kumar Karampuri <pkara...@redhat.com> > *Date:* 2017-06-07 15:38 > *To:* Xie Changlong <xiechanglon...@gmail.com> > *CC:* Gluster Devel <gluster-devel@gluster.org>; Hu Jianfei > <hujian...@cmss.chinamobile.com>; Liu Yuan <liuy...@cmss.chinamobile.com> > *Subject:* Re: [Gluster-devel] [Qusetions] How profile affect glusterfs > performance? > > > On Tue, Jun 6, 2017 at 8:14 AM, Xie Changlong <xiechanglon...@gmail.com> > wrote: > >> 在 6/5/2017 6:30 PM, Pranith Kumar Karampuri 写道: >> >>> I meant what are you using gluster for? VM workload or image/video file >>> creation or lots of small files etc etc. >>> >> >> 1) We use glusterfs for general purpose, no limit to image/video file >> creation or small files etc. >> > Okay, this is good. What is the cluster size? > Is it replica 3 or replica 2 or arbiter or is it EC volume? > > Please don't mind me asking so many details. I am delighted to see you > guys active in the community because I have seen Xiubo Li's work on > tcmu-runner who is also from chinamobile and his work is pretty good :-). > > >> 2) We just want a low performance affect way to calculate each brick's >> iops/bandwidth for the upper layer management app. BTW, is there any other >> way to get iops/bandwith for each brick besides profile? >> > > At the moment we have these stats using profile commands. As per Facebook > patches they enable json capture of io-stats on their volumes and measure > these. They have it enabled always. If that is not enough for you, then we > should probably look at enhancing things. Do send patches if you think > something would make things better :-). > > >> >> -- >> Thanks >> -Xie >> > > > > -- > Pranith > > -- Pranith
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