Groovy vs Lua: What are the differences?
Developers describe Groovy as "A dynamic language for the Java platform". Groovy builds upon the strengths of Java but has additional power features inspired by languages like Python, Ruby and Smalltalk. It makes modern programming features available to Java developers with almost-zero learning curve. On the other hand, Lua is detailed as "Powerful, fast, lightweight, embeddable scripting language". Lua combines simple procedural syntax with powerful data description constructs based on associative arrays and extensible semantics. Lua is dynamically typed, runs by interpreting bytecode for a register-based virtual machine, and has automatic memory management with incremental garbage collection, making it ideal for configuration, scripting, and rapid prototyping.
Groovy and Lua can be primarily classified as "Languages" tools.
"Java platform" is the primary reason why developers consider Groovy over the competitors, whereas "Fast learning curve" was stated as the key factor in picking Lua.
Groovy and Lua are both open source tools. It seems that Groovy with 1.49K GitHub stars and 414 forks on GitHub has more adoption than Lua with 1.26K GitHub stars and 437 GitHub forks.
According to the StackShare community, Groovy has a broader approval, being mentioned in 78 company stacks & 73 developers stacks; compared to Lua, which is listed in 55 company stacks and 22 developer stacks.
What is Groovy?
What is Lua?
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To handle its growing observability needs, Postmates created and open sourced Cernan, a telemetry and logging aggregation server. Ceran is built on Rust and Lua, and can ingest data from many sources and then push or exposes what it’s collected to many destinations, or “sinks.” It can also create or manipulate in-flight data with programmable Lua filters.
At Kong while building an internal tool, we struggled to route metrics to Prometheus and logs to Logstash without incurring too much latency in our metrics collection.
We replaced nginx with OpenResty on the edge of our tool which allowed us to use the lua-nginx-module to run Lua code that captures metrics and records telemetry data during every request’s log phase. Our code then pushes the metrics to a local aggregator process (written in Go) which in turn exposes them in Prometheus Exposition Format for consumption by Prometheus. This solution reduced the number of components we needed to maintain and is fast thanks to NGINX and LuaJIT.
Some may wonder why did we choose Grails ? Really good question :) We spent quite some time to evaluate what framework to go with and the battle was between Play Scala and Grails ( Groovy ). We have enough experience with both and, to be honest, I absolutely in love with Scala; however, the tipping point for us was the potential speed of development. Grails allows much faster development pace than Play , and as of right now this is the most important parameter. We might convert later though. Also, worth mentioning, by default Grails comes with Gradle as a build tool, so why change?
used lua as gameplay glue while at insomniac. one my favorite wins was integrating table support. it took walking the source code in a debugger to figure it out, still remember being at work at 3am when i got it working finally. (no google back then to make such things simple.)
We use Lua as our primary scripting language for third party developers - it's fast, the runtime can be quite small and fits into everywhere it needs to go - from mobile to web.
Lua is used as the programming language for all extensions and the main business logic.