I had the opportunity to listen to Tony Tam at MongoSF talking about why and how they moved Wordnik from Mysql to MongoDB.  Both the Slides and the Video of the talk are attached to the end of this post. Wordnik is a new kind of “word” repository which is much more “current” than traditional [...]

I was at the MongoSF conference few weeks ago, and 10gen just hosted one at NY as well.I was taken aback by the simplicity and the hope MongoDB provides. I’ll have a more detailed post about what I think about it in a few days, but until then chew on these slides from bit.ly who [...]

Interesting news items for the week Subversion at Google Code is now replicated across multiple datacenter, is 3 times faster and uses Paxos algorithm to guarantee consistency VMware hired the Redis creator Amazon S3 Versioning is ready for production   Presentations,  talks and opinions  Pregel – Google’s Graph DB infrastructure The first public talk (as far [...]

MapReduce, Bigtable and Pregel have their origins in Google and they all deal with “large systems”. But all of them may be dwarfed in size and complexity by a new project Google is working on, which was mentioned briefly (may be un-intentionally) at an event last year. Instead of caching data closer to user, it [...]

Cosmin Lehene, has a wonderful pair of posts about how a team in Adobe selected, tested and implemented an HBase based datastore for production use. Part 1 Part 2 Its interesting how much they thought about failure and about the backup for backups. And in spite of all that how things still break. Building something [...]

Jonathan Ellis’ started up a storm when he posted an entry about CouchDB about 6 months ago. He questioned some of CouchDB’s claims and made an attempt to warn users who don’t understand practical issues around CoughDB very well. After reading his post and some comments, it looked like he was specifically concerned about CouchDB’s [...]

I heard a great set of Google App engine datastore related talks at the google I/O conference. I think this is one of the best out talks I heard which is now on Youtube. You should watch it if you are working with or planning to work with Google App Engine in the near future. [...]

For the last couple of weekends I’ve been playing with Google App Engine, (Java edition) and was pleasantly surprised at the direction it has taken. I was also fortunate enough to see some Google Engineers talk on this subject at Google I/O which helped me a lot to compile all this information. But before I [...]