First, what is an actionable metric? An actionable metric is one that ties specific and repeatable actions to observed results. The opposite of actionable metrics are vanity metrics (like web hits or number of downloads) which only serve to document the current state of the product but offer no insight into how we got here or what to do next. In my last post, I highlighted the importance of thin
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This is a guest post by Brian  Bulkowski, CTO and co-founder of Aerospike, a leading clustered NoSQL  database, has worked in the area of high performance commodity systems  since 1989. Why flash rules for databasesThe economics of flash memory are staggering. If youâre not using SSD, you are doing it wrong. Not quite true, but close. Some small applications fit entirely in memory â less than 100G
FoundationDB gives you the power of ACID transactions in a distributed database.Get StartedDownload FoundationDBMulti-model data store. FoundationDB is multi-model, meaning you can store many types of data in a single database. All data is safely stored, distributed, and replicated in the Key-Value Store component.Easily scalable and fault tolerant. FoundationDB is easy to install, grow, and manag
Itâs a given in any software application there are objects that need to share information in order to get work done. In Java applications, one way of achieving information sharing is to have event listeners, whose sole purpose is to take some action when a desired event occurs. For the most part this process works and most experienced Java developers are used to writing the requisite anonymous inn
Hi Guys,after researching how to continuously aggregate and mine our tracking data (200GB and growing fast) for almost a week, I'm still stuck. Is it just me or didn't I just find the right product yet? I must admit that I'm a generalist developer, no DBA - but to me it looks like all the products I've looked into just don't "feel" right. JasperReports, InfiniDB, Pentaho, just to name a few... it'
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When you first start using Redis you probably see it with a fairly narrow perspective. Maybe you're thinking of it for caching, or you are looking to its sets to maintain a unique list, like tags. The more you use it, the more you find it useful. Up until now, I've always used Redis to implement specific features (or parts of a feature). I've used it for ranking, real time statistics, simple queue
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Rickshaw is a JavaScript toolkit for creating interactive time series graphs. Rickshaw on GitHub Graphing Toolkit Rickshaw provides the elements you need to create interactive graphs: renderers, legends, hovers, range selectors, etc. You put the pieces together. See Demo â Built on d3.js It's all based on d3 underneath, so graphs are drawn with standard SVG and styled with CSS. Customize all you l
A JavaScript Charting Library for Streaming Data See It Hello world example Server CPU usage example Responsive chart example Get It Download smoothie.js or npm install smoothie (and browserify) or clone repository on GitHub Use It Read the Ten Minute Tutorial Explore, configure and generate code Discussion and Support (Google Groups) View MIT License Report issue / Request feature
Welcome to {elliot.js} {elliot.js} was created to fill a need for graphing near real time events in various web projects. It has been used to produce graphs for log analytics, customer actions, monitoring and similar services. Special requirements? {elliot.js} is highly configurable. You can easily change background colors, bar sizes, colors, fonts, update frequenzy etc. Have a look at our example
I recently watched a Google tech talk called âThe Clean Code Talks â Inheritance, Polymorphism, & Testingâ, and I was amazed how Misko Hevery explained that (a lot of) ifs can be a smelly thing in a Object Oriented language. Being fascinated by the idea, I decided to google it, and I was surprised that if-less programming is a pretty popular topic. I noticed a response to a stackoverflow question
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