Hi Cedrick. Look at Voyage https://github.com/pharo-nosql/voyage. Maybe Realm can be easily supported as another backend.
2017-09-10 12:14 GMT+02:00 Cédrick Béler <[email protected]>: > Hello all, > > I’ve spent some time in the summer in what I call my quest to the ultimate > and easy and fun architecture to prototype some personal administration > apps and have fun :-) > I’ll share some experience and wonder if there are alternative in Pharo. > > I want app that are mobile firsts, then manageable with a computer (for > more complex administrative tasks). > I want them reactive (I especially like reactive data driven application > like meteor.js), ubiquitous around my devices and not always connected > (offline-first - this is very important if not the first objective). > > Ok, so I was lurking around looking for server and mobile distributed > databases and I finally found Realm (https://realm.io/products/ > realm-mobile-platform/) which is a cool architecture plenty of promises, > well documented, lots of tutorials... The architecture is composed of 2 > products: > - Realm DB [1] that runs on mobile device - multiplatform - fully > open-source - performant - an object DB with some limitation though > - Realm Object Server (ROS) [2] - provide two-way data sync simple and > easy - BUT proprietary even if free for developers … the entry point for > serious developments (in particular access programmatically to the server) > is very expensive ! 1500$mo ! > > The developer edition with is free is already quite outstanding to me. > Looks at this demo page on GitHub [3] ! > > But… without any control to the ROS, I find ROS quite limited finally. I > may then use the DB part, ROS free for what really need sync reactivity > between devices or between group of people (like a black board), but store > all less transient information to WhateverNoSQLDB probably in REST. > > Anyway I want to share that with you because it rings a smalltalk bell in > my head… it’s about object data, live feeling, and I want to use Pharo on > the server :) > > Maybe some people here have thought of an alternative ROS in Pharo or > Gemstone ? Any ideas or remarks ? > I was aware of sebastian Flow living full-stack framework attempt but > don’t know more. > > TIA > Cédrick > > NB: Pharo looks more and more great ! Congratulations guys for you job ! I > hope ESUG was nice. > I’ve just tried Telepharo on Pharo 6 (64 bit). Really great work too... It > works like a charm, out of the box on low cost dedicated ubuntu servers [4] > => 10€mo > Pharo 64 tinyBenchmarks is 2,75 times slower than on my Mac mini Core i5 > 2,5GHz from 2012 with SSD (I guess it’s not that bad and usable for > personal applications servers). I think it’ about 3 times faster than on a > raspberry Pi. > Mac mini (32 bit version): '1329870129 bytecodes/sec; 108576799 sends/sec’ > Dedibox Low Cost server (64 bit version)’ '595695171 bytecodes/sec; > 39441333 sends/sec' > > NB2: to download/install Pharo from command line, on the web site > instructions, it seems it lacks the trailing slash. I had to add it. > > curl get.pharo.org/64*/* | bash > > > [1] https://realm.io/products/realm-mobile-database/ > [2] https://realm.io/products/realm-mobile-platform/ > [3] https://github.com/realm-demos > [4] https://www.online.net/fr/serveur-dedie/dedibox-sc > > >
