DTrace for Ruby is available

In previous posts we’ve mentioned we’re working on a full Ruby DTrace provider set for Ruby 1.8.5. We’ve finished a solid base set of probes and it is ready for general consumption. The subversion repository is at http://svn.joyent.com/ruby-dtrace. The repository contains: The full Ruby 1.8.5 source with DTrace probes (http://svn.joyent.com/ruby-dtrace/ruby-1.8.5) Diffs (http://svn.joyent.com/ruby-dtrace/patches) Binaries (http://svn.joyent.com/ruby-dtrace/binaries/solaris) Examples Continue reading DTrace for Ruby is available

On Accelerators

Fundamental Philosophy and Origin Accelerators rose from two needs: a standardized stack capable of serving our own growing applications and the appearance last year of large companies and startups needing “enterprise rails”. Our applications, like Strongspace and the Joyent Connector are over 2 years old now, were some of the earliest revenue-generating Rails applications and Continue reading On Accelerators

A brief update with some numbers for hardware load-balanced mongrels

Back in August, I posted about a good-sized evaluation I was going to start doing about the horizontal scaling of different proxy engines and load-balancers across lots of mongrels. But in short, we’ve stayed with F5’s BIG-IPs for at least one additional reason beyond their ability to handled gigabits of traffic across many many backend Continue reading A brief update with some numbers for hardware load-balanced mongrels

The 10% “rule” for infrastructure costs

I was reading GigaOM the other day, specifically Google’s 2006 Money Shot, $10 billion in revenues, and his quote from Google’s earning release caught my eye: Other cost of revenues, which is comprised primarily of data center operational expenses, as well as credit card processing charges, increased to $307 million, or 10% of revenues, in Continue reading The 10% “rule” for infrastructure costs

On Grids, the Ambitions of Amazon and Joyent

There’s a lot of talk lately about “grids”. And Amazon. The word “grid” has reappeared in marketing materials and we’ve seen it brought up during the the emergence of companies offering utility computing and storage products (or at least they want you to think that’s what they’re really offering). There’s also definitely been a PR Continue reading On Grids, the Ambitions of Amazon and Joyent

Thin Provisioning in ZFS

Ah, Ben understands and did a great demonstration of thin provisioning (also read Dave’s Blog) with ZFS using sparse volumes (zvols). HUGE. The ability to thin provision storage is a very “enterprise” feature that one can know get from free when using ZFS+Opensolaris. When combined with ethernet-based storage networks (iSCSI), it’s unstoppable. Ben’s also a Continue reading Thin Provisioning in ZFS