Yesterday I mentioned on Twitter that I was playing with the MongoDB pub/sub features and that it worked quite well for my needs. What I didn’t mention was that the documentation and blog posts were a bit all over the show and the Ruby examples I saw didn’t actually do what they said they did Read More
This ia a post in a series of posts I am doing about MCollective 2.0 and later. Overview The kind of application I tend to show with MCollective is very request-response orientated. You request some info from nodes and it shows you the data as they reply. This is not the typical thing people tend Read More
This ia a post in a series of posts I am doing about MCollective 2.0 and later. We’ve discussed Direct Addressing Mode before and today I’ll show one of the new features this mode enables. Overview MCollective is very fast which is great usually. Sometimes though when you’re restarting webservers the speed and concurrency can Read More
This ia a post in a series of posts I am doing about MCollective 2.0 and later. In my previous post I detailed how you can extend the scope of the information MCollective has available to it about a node using Data Plugins, this was node side plugins today we’ll look at ones that runs Read More
This ia a post in a series of posts I am doing about MCollective 2.0 and later. In my previous post I covered a new syntax for composing discovery queries and right at the end touched on a data plugin system, today I’ll cover those in detail and show you how to write and use Read More
