arkham

4 ms·

1.
by arkham 10y ago
Disclaimer: I used to work for MongoDB, but left more than 2 years ago. I'm really happy to see the free tier as an option - I was a big fan, user, and advocate of MMS back when that was a free option for monitoring, and accessibility
2.
MongoDB 3.0: Testing On-Disk Compression(comerford.cc)
2 points by arkham 12y ago|0 comments
3.
by arkham 12y ago
Follow up post which tests a patch and shows significant improvements and backs up the original premise: http://comerford.cc/wordpress/2014/11/17/mongodb-2-8-improvi...
4.
MongoDB 2.8 – New WiredTiger Storage Engine Adds Compression (with Graphs)(comerford.cc)
10 points by arkham 12y ago|1 comments
5.
by arkham 12y ago
Having had the pleasure to know and work with William, I think he would be chuffed with the existence of the award, though probably a little embarrassed to have it named after him which only makes it more appropriate. It's a perfect tr
6.
MongoDB Sharding Pitfalls Part II: Running a Sharded Cluster(blog.mongodb.org)
3 points by arkham 12y ago|0 comments
7.
by arkham 13y ago
2.4 introduced text indexes for full text search as a beta, and 2.6 finishes the job of fully integrating them into the product - they are fully supported with the new release (including in the aggregation framework). In terms of how they c
8.
by arkham 13y ago
Just to note, the MongoDB journal is basically a write ahead log and has been around since 1.8. It's not simple, you are correct, and involved remapping portions of memory privately, and leads to some inflated numbers on the virtual m
9.
by arkham 13y ago
Authentication is the main thing to be aware of (no data rebuild), but full notes here: http://docs.mongodb.org/master/release-notes/2.6-upgrade/ And, you have to be on 2.4 first (I know you said you are, b
10.
by arkham 13y ago
Well, for teaching purposes, independent of suitability for a use case there are multiple courses available for free here: http://education.mongodb.com And, more node.js specific (but also offline capable, and available any time
11.
by arkham 13y ago
It doesn't use mmap for locking though - and in any case one database is already multiple files (2GB max). There are internal data structures used by MongoDB and the database itself takes care of locking, mmap just gets the data into
12.
by arkham 13y ago
Some notes on using the shell, and some unforeseen performance changes from the beta: http://comerford.cc/wordpress/2014/03/28/mongodb-2-6-shell-p...
13.
by arkham 13y ago
Just to clarify on positive/negative limits on a cursor: if the limit number is negative, then the database will return that number of results and close the cursor. No further results for that query can be fetched. If the limit is posi
14.
by arkham 13y ago
The 2nd Edition of the MongoDB: The Definitive Guide from O'Reilly is one I can recommend (full disclosure: I was a technical reviewer on that edition). http://shop.oreilly.com/product/0636920028031.do For basics,
15.
MongoDB CEO Discusses $150m Funding Round(maxschireson.com)
10 points by arkham 13y ago|0 comments