For those interested in leveldb this recent NodeUp is worth a listen: http://nodeup.com/fortyone.
On Fri, Apr 19, 2013 at 2:52 PM, John Fitzgerald <jrfitzger...@gmail.com>wrote: > 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. > > > -- -- 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. 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