Posts Tagged ‘performance’

I’ve been hitting the limits of gigabit ethernet at home for quite a while now, and as I spend more time working with cloud technologies this started to frustrate me. I’d heard of other folk getting good results with second hand Infiniband cards and decided to give it a go myself. I bought two Voltaire […]

My last two blog posts were largely about the needs of subunit, but a key result of any protocol is how easy working with it in a high level language is. In the weekend and evenings I’ve done an implementation of a new set of classes – StreamResult and friends – that provides: Adaption to […]

Subunit is seven and a half years old now – Conrad Parker and I first sketched it up at a CodeCon – camping and coding, a brilliant combination – in mid 2005. revno: 1 committer: Robert Collins <> timestamp: Sat 2005-08-27 15:01:20 +1000 message:  design up a protocol with kfish It has proved remarkably resilient […]

I recently added a formal interface to testrepository to enable cross-machine scaling of test runs. As testrepository is still a static scheduler, this isn’t perfect, but its quite a minimal interface, which makes it easy to implement. I will likely evolve it in reaction to feedback and experience. In the long term I’d love to […]

Thanks to Corey Goldberg, one of my colleagues @ Canonical, the page performance report can now be used on regular Apache log files, rather than just the zserver trace log files that Launchpad’s middle tier generates. We use this report to identify poorly performing pages and get insight into the timing patterns of bad pages. […]


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