+ ceph-devel ----- Original Message ----- > From: "Prajwal Bhandary" <reachprajwalbhandary@xxxxxxxxx> > To: "Kefu Chai" <kchai@xxxxxxxxxx> > Sent: Tuesday, March 28, 2017 6:13:40 AM > Subject: Re: Queries regarding projects in Gsoc 2017. > > hey Chai! > > I've dropped the idea to pursue the project on optimizing the crush > algorithm, I'd like to continue attempting for the projects on OSD > auto-tuning, slow OSD determination and Pool pg_num auto-tuning . I had a > few questions if you could clarify with me, > > OSD tuning of slow OSD : > - How would i classify if the response is slow or normal ? please see my previous reply. > - All i need to do is determine the slow OSD's and report themis it ? Or do > I need reassign them in some manner or something ? yes. you could do some preliminary investigation trying to root cause the slowness. but that would be overlapped with the idea of http://ceph.com/gsoc2017-ideas/#root-cause-analysis-tool. > > Pool pg_num auto-tuning : > - Should i be building a module to just determine the pg_num ? ( using the > formula mentioned in the docs or come up with some optimized ) it's supposed to be a python module hosted by ceph-mgr. > - Will i be required to include features such as returning the particular > hash id of the object ? it's not in the scope of this project. > > last question being: > Is there a possibility for me to apply for one of the projects and > implement both the above projects ? it's possible i guess. you can apply for both of them. and if you are enrolled, and there is no student being assigned to another idea, you *can* work on another one also like any other contributor. you will need to ask the community on this before starting working on it. otherwise your work could be wasted. > > I've done a fair amount of research on the docs and I'd love to work on > both projects if its possible . > > Hoping to hear from you soon! > > Thank you, > Prajwal. > > On Wed, Mar 22, 2017 at 1:36 PM, Kefu Chai <kchai@xxxxxxxxxx> wrote: > > > > > > > ----- Original Message ----- > > > From: "Prajwal" <reachprajwalbhandary@xxxxxxxxx> > > > To: kchai@xxxxxxxxxx > > > Sent: Wednesday, March 22, 2017 11:25:26 AM > > > Subject: RE: Queries regarding projects in Gsoc 2017. > > > > > > Hello, > > > > > > I just wanted to check if the previous email did reach you, as im > > interested > > > in applying for the previously mentioned projects . So, I'd like a bit of > > > guidance on it . > > > > Hi Prajwal! > > > > sorry for the latency, i didn't get a chance to reply your mail yesterday. > > > > > > > > Thank you, > > > Prajwal > > > > > > -----Original Message----- > > > From: "Prajwal Bhandary" <reachprajwalbhandary@xxxxxxxxx> > > > Sent: 21-03-2017 12:19 AM > > > To: "kchai@xxxxxxxxxx" <kchai@xxxxxxxxxx> > > > Subject: Queries regarding projects in Gsoc 2017. > > > > > > Hey Chai, > > > > > > > > > I'm a student hailing from India, pursuing my undergraduate course in > > CSE . > > > I've got pretty fair knowledge in python, I've been programming with it > > > since a year and a half . I was really interested in the following > > projects > > > posted on your website : > > > > > > > > > ceph-mgr : Smarter Reweight by Utilization > > > ceph-mgr : Slow OSD Identification, Automated Cluster Response > > > > ceph comes with various tools and metrics that one can use to diagnose the > > performance of the storage cluster. for example, > > > > - perf counters: http://docs.ceph.com/docs/master/dev/perf_counters/ > > - the "dump_historic_ops" subcommand > > - the "dump_ops_in_flight" subcommand > > > > > ceph-mgr : Pool pg_num Autu-Tuning > > > > > > > you could check out http://ceph.com/pgcalc/, with the help of ceph-mgr > > we can integrate it in a more user friendly way. > > > > > > > > I would be submitting my proposal on the mentioned projects its self, > > but I > > > thought getting a more deeper understanding of the problem from you would > > > help me give in a better proposal . I feel I haven't really understood > > the > > > latter two projects too well, as I've found papers on the CRUSH algorithm > > > for starters but nothing on the other two, if you could probably point > > me in > > > the right direction on give me more of an insight if possible . > > > > > > > > > Hoping to hear from you soon. > > > > > > > > > Thank you, > > > > > > > > > Prajwal . > > > -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html