My updates have been slow recently due to other things I’m involved in. If you need more updates around what I’m reading, please feel free to follow me on twitter or buzz. Here are some of the big ones I have mentioned on my twitter/buzz feeds. Tools: Real-time Relationship Analytics from large scale graph processing [...]

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 [...]

For some reason there has been a disproportionately high number of news items on Cassandra lately. Some of those are included below, but also included are some other interesting updates which you might have missed. Rackspace and Drizzle: Its time to rethink everything Haproxy 1.4 – Now supports mysql health checks – This is a [...]

State of current NoSQL databases : A very detailed post about many NoSQL solutions. A lot of work went into this one. Truth about joins: Google app engine datastore’s limitation of not allowing joins might soon be a thing of the past. Simple joins may now be possible on GAE if you are using Java. [...]

We discussed Brewer’s Theorm a few days ago and how its challenging to obtain Consistency, Availability and Partition tolerance in any distributed system. We also discussed that many of the distributed datastores allow CAP to be tweaked to attain certain operational goals. Amazon SimpleDB, which was released as an “Eventually Consistent” datastore,  today launched a [...]

Some of interesting links for today A very good post about the need of event driven Cloud API model for monitoring. I think its a matter of time before this happens. Just like feed crawlers are embracing even driven publication notification using protocols like Pubsubhubbub, we need something similar to snmp traps for the cloud [...]

A few interesting updates for today Derrick Harris made an insightful observation that Cloud providers are pairing up with CDNs . I won’t be surprised if some consolidations happen in this arena Cassandra 0.5.0 is released. I can’t wait to try it out. Paper: Keyspace: A consistently replicated, highly-available key-value store Paper: PaxosLease: Diskless Paxos [...]