When using these embedded databases, like node-levelup, how do you handle cluster based apps? I'd love to use an embedded database, but also need to run our express app on all 8 cores of the machine.
I know I can process.send to children & master, but that seems like a clunky way of interfacing. Creating a "db" process separate that responds over HTTP and have the workers do requests against that is possible, but not sure if there's a more common / clean way of implementing. On Fri, Apr 19, 2013 at 10:36 AM, Ben Taber <ben.ta...@gmail.com> wrote: > No guarantees that you can read a record before .load has been called, but > you can write before load. > > https://github.com/felixge/node-dirty#dirty-event-load-length > > To just open the file once on app init, wrap it in its own module, and > then require that into other modules. Something like below would work. > > -- db.js > var db = require('dirty')('./data.db'); > var isLoaded; > > db.on('load', function() { > isLoaded = true; > }); > > db.ready = function(cb) { > if (isLoaded) { > return cb(); > } > > db.on('load', cb); > } > > module.exports = db; > > -- otherFile.js > var db = require('./db.js'); > > db.ready(function() { > db.get(); > db.set(); > // etc > }) > > On Friday, April 19, 2013 9:58:15 AM UTC-6, Angelo Chen wrote: >> >> Hi Ben, >> >> looks like, you have to put access code in db.on('load', ...) >> >> how to just open the database once at beginning, then use later? say >> all the database code will be in mydao.js, exporting some CRUD >> methods, so I can call from another js, dao.append({id:1, data:'d'}) >> >> in this append method, I have to wrap the function in a db.on('load', >> function(rec){}) ? >> >> Angelo >> >> >> On 4月19日, 下午10时07分, Ben Taber <ben.ta...@gmail.com> wrote: >> > There's dirty for super simple >> > storage:https://github.com/**felixge/node-dirty<https://github.com/felixge/node-dirty> >> > >> > >> > >> > >> > >> > >> > >> > On Friday, April 19, 2013 2:59:28 AM UTC-6, Angelo Chen wrote: >> > >> > > Hi, >> > >> > > What are the options for embedded database? I use redis and mongodb >> for >> > > now, but sometimes you made some small apps, and does not want to mix >> data >> > > with existing redis db or mongodb. it should be easier to install, >> now I'm >> > > looking at >> > > nosql,https://npmjs.org/**package/nosql<https://npmjs.org/package/nosql>, >> also ejdb, >> > >https://npmjs.org/package/**ejdb <https://npmjs.org/package/ejdb>, >> but seems you can not have your own data >> > > file for a individual app. sqllite is another, but it's not json >> based, any >> > > suggestions? Thanks, >> > >> > > Angelo >> > -- > -- > Job Board: http://jobs.nodejs.org/ > Posting guidelines: > https://github.com/joyent/node/wiki/Mailing-List-Posting-Guidelines > You received this message because you are subscribed to the Google > Groups "nodejs" group. > To post to this group, send email to nodejs@googlegroups.com > To unsubscribe from this group, send email to > nodejs+unsubscr...@googlegroups.com > For more options, visit this group at > http://groups.google.com/group/nodejs?hl=en?hl=en > > --- > You received this message because you are subscribed to the Google Groups > "nodejs" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to nodejs+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/groups/opt_out. > > > -- John R. Fitzgerald -- -- Job Board: http://jobs.nodejs.org/ Posting guidelines: https://github.com/joyent/node/wiki/Mailing-List-Posting-Guidelines You received this message because you are subscribed to the Google Groups "nodejs" group. To post to this group, send email to nodejs@googlegroups.com To unsubscribe from this group, send email to nodejs+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/nodejs?hl=en?hl=en --- You received this message because you are subscribed to the Google Groups "nodejs" group. To unsubscribe from this group and stop receiving emails from it, send an email to nodejs+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
