what is a developer spike

The solution is to create a “spike,” which is some work whose purpose is to provide the answer or solution.The term spike comes from Extreme Programming (XP), where “A spike solution is a very simple program to explore potential solutions.” XP guru Ward Cunningham describes how the term was coined on the C2.com wiki: “I would often ask Kent [Beck], ‘What is the simplest thing we can program that will convince us we are on the right track?’ Such stepping outside the difficulties at hand often led us to simpler and more compelling solutions. Sometimes a user story is generated that cannot be well estimated until the development team does some actual work to resolve a technical question or a design problem. This helps us be realistic about iteration capacity. They are just part of the normal product backlog refinement work that team members do on an on-going basis. While it may be entirely true that the term was inspired by rock climbing, as a rock climber myself I can say that, to my knowledge, no climber anywhere has ever called them “spikes”. XP was never as obsessed with “precision” in release planning as Scrum has become.It would be interesting to ask someone like Ron Jeffries, who was no doubt very close to the creation of the spike concept, where the inspiration for the term really came from.Paul: Thanks, that sounds very plausable, considering I was thinking it alluded to an “anchor” of some sort, not in the nautical sense, but as in climbing, a jumping off point.That’s a good analogy. Create spike solutions to figure out answers to tough technical or design problems. And unpointed timeboxing is likely to have the same result.The “etymology” here is basically a non-etymology. The important thing about the time box is that it limits our investment, at least until we make a conscious decision to invest more.Pingback: How to get your backlog ready for PI Planning – Enterprise Agility Blogs…Pingback: 스파이크 (Spike) • Agile PracticesAnother meaning of Spike – in the domain of journalism – is for stuff that has been rejected prior to publication, as described on Throughout this thread I’ve seen arguments for giving spikes story points.

“Kent dubbed it a ‘spike'” says nothing. When climbing, we might stop to drive a spike into the rock face. A spike is a product-testing method originating from Extreme Programming that uses the simplest possible program to explore potential solutions. Driving the spike is not actual climbing — it does not move us closer to the top — but rather it enables future climbing.Similarly, a spike in XP does not produce production code — it does not develop an actual story in the backlog — but rather it enables future story development. Also, he worked Ward Cunningham into the naming of ‘Spike’.Interesting thought.

(referring to different types of equipment), but I’ve never heard of spikes. To transform user spikes into code, the developer must ask a series of questions that are used to indicate constraints that must be considered during development phases. Spike is an innovation of Extreme Programming (XP) in Agile software development. Spike is an indicator used by Agile software to build theoretical features that should be included in software. Spike is an indicator used by Agile software to build theoretical features that should be included in software.

Spikes are an invention of Extreme Programming (XP), are a special type of user story that is used to gain the knowledge necessary to reduce the risk of a technical approach, better understand a requirement, or increase the reliability of a story estimate. If Spikes are research, or trial-and-error, we simply create a Research task.

This means our claimed velocity is distorted when it is applied to release planning. It is used to determine how much work will be required to solve or work around a software issue. Spike. I can, of course, point spikes for iteration capacity planning but then not include them in velocity calculations, but, silly as this may sound, I think that will discourage my teams from accepting spikes. Very much like the self appointed “gang of four” and their “design patterns” some of this agile terminology obfuscates or creates vagueness of purpose. What are the cons? I have issue with this as many programmers I work with hear the term and chuckle (in a bad way… as do I).My recollection from the early XP Universe conferences in 2001/2002, is that the term “spike” comes from an analogy to rock climbing. It does nothing to explain the origin of the term “spike”. When a technical difficulty threatens to hold up the system's development put a pair of developers on the problem … Still not sure if Chet was pulling my leg.

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