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I have multiple large mongodb clusters running mongodb 3.4 configured with wiredtiger. I would like set up standalone instances with just a few DBs from these clusters, all on the same EC2 instance. What I’ve done so far is to create snapshots of the disks (DB and journal) on a replica from each of theRead more

So I’ve been flirting with Event Sourcing and CQRS for a while now, though I’ve never had the opportunity to apply the patterns on a real project. I understand the benefits of separating your read and write concerns, and I appreciate how Event Sourcing makes it easy to project state changes to “Read Model” databasesRead more

I’ve come up with some ideas for the database design, but I don’t know if any of them would be practical in production: posts and a separate post_edits table with a copy of all previous revisions. To get a single post, it’s completely transparent as if the post_edits table isn’t there. Nothing wrong with this,Read more