On Wed, Dec 12, 2012 at 7:59 AM, ephan <epha...@gmail.com> wrote: > Depending on what you need for the graphs,have a look at flot,jqplot or > rapheal.js(heavy).There is also high charts althought there are some > licensing issues you may want to avoid. > > If you get stuck with the charts,let me know..am running some.
Thanks Ephan, those graphs looks really nice! I'm looking into them. > On Tuesday, December 11, 2012 11:09:06 PM UTC+2, Marc Aymerich wrote: >> >> On Tue, Dec 11, 2012 at 4:32 PM, Bill Freeman <ke1...@gmail.com> wrote: >> > >> > >> > On Mon, Dec 10, 2012 at 2:41 PM, Marc Aymerich <glic...@gmail.com> >> > wrote: >> >> >> >> Hi, >> >> I'm considering to implement a simple monitorization system that >> >> basically gathers some data from a set of nodes (<1000 nodes). The >> >> gathered data should be stored in order to let users perform some >> >> queries and maybe also generate some graphs. >> >> >> >> I'm looking for advice in what components are best suited for each of >> >> the following parts: >> >> >> >> 1) Storage: maybe something nonsql like MongoDB? or perhaps RRD? >> >> 2) Data gathering: celery periodic tasks? >> >> 3) Graphs: rrd? or some java script framework for graphing? >> >> >> >> thanks for your comments!! >> > >> > >> > While this may be a fine opportunity to learn about some of these >> > techniques >> > (NoSQL, celery), unless I misunderstand the potential bandwidths >> > involved, >> > the problem fits more pedestrian stuff pretty well. >> > >> > If I were doing this I'd use PostgreSQL and a cron (or equivalent on >> > your >> > OS) triggered django management command to gather the data and stuff it >> > into >> > the models. Certainly django can provide display of the data to the >> > user. >> > >> > For graphing, I've used YUI (yahoo) tools in the past (I'm sure that >> > google >> > has competitive offerings), but it required that the user have Flash. >> > While >> > pretty much everyone has Flash, I'd rather go for HTML5 or SVG (and a >> > few >> > people may have browsers that don't do these). Maybe modern frameworks >> > can >> > be had that detect the browser's capabilities and respond accordingly. >> > (The >> > YUI stuff was driven by a table of data in the DOM, and that approach >> > allows >> > the support decision to be deferred to the browser side.) Depending on >> > load >> > and update rate, you could also generate png or jpg files on the fly in >> > a >> > view that IMG tags in your HTML refer to, which works even if the user >> > has >> > javascript disabled, but loads the server a bit. You would probably >> > want to >> > encode a timestamp or generation sequence into the generated image path >> > name, so that you wouldn't have to worry about cacheing, including in >> > the >> > browser, keeping you from showing a fresh image when the user refreshes >> > the >> > page. >> > >> >> Hi bill thanks for your feedback! >> You're right, maybe I can start using a traditional RDBMS like >> postgres and switch when things starts getting slow, if even it really >> happens at all. >> >> By the way, I've been looked at some nosql storage backends, and >> couchdb seems the more appropriate option for storing time-series data >> in django. >> >> regarding the graph stuff, the project is somehow related with >> opensource and openeverything, so flash is not really an option. I'll >> look at some js framework. >> >> thanks again! >> -- >> Marc > > -- > You received this message because you are subscribed to the Google Groups > "Django users" group. > To view this discussion on the web visit > https://groups.google.com/d/msg/django-users/-/pxDyxFeEwBoJ. > > To post to this group, send email to django-users@googlegroups.com. > To unsubscribe from this group, send email to > django-users+unsubscr...@googlegroups.com. > For more options, visit this group at > http://groups.google.com/group/django-users?hl=en. -- Marc -- You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com. To unsubscribe from this group, send email to django-users+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/django-users?hl=en.
