I’m currently having issues when querying/inserting for one of my Documents inside a Database through Meteor. Using this line of code I’m trying to retrieve the next sequence number out of the DB. But it sometimes skips numbers for some reason. var col = MyCounters.findOne(type); MyCounters.update…

edit: Misread. I think I know what’s happening but to be sure a question: How busy is your production env, i.e. how many users?

That is not atomic, and will be worse if you have multiple server instances in production. This post may help: [image] Automatically increment order numbers help This is what I’ve done: Every collection needing an “autoincrement” gets an extra document added:…

[image] robfallows: findAndModify I thought that findAndModify was not supported by meteor yet.

It’s fine on the server when using rawCollection. You can’t use it with minimongo.

Thanks @robfallows , I’ll try this out and update on my results.

Since the update to the latest node MongoDB library in Meteor 1.4, it’s also possible to use Promises directly from the rawCollection. If you’re more comfortable with those, rather than Meteor.wrapAsync, you may find that useful.

Document Increment Sequence is skipping numbers

help

robfallows November 12, 2016, 6:39am 3

That is not atomic, and will be worse if you have multiple server instances in production. This post may help: