# Thoughts On... **URL:** https://forum.elixirforum.com/c/questions-help/thoughts-on/173.md [Latest](https://forum.elixirforum.com/latest.md) · [Categories](https://forum.elixirforum.com/categories.md) · [Tags](https://forum.elixirforum.com/tags.md) --- ## [When do you introduce horizontal scaling in an Elixir/Phoenix app?](https://forum.elixirforum.com/t/when-do-you-introduce-horizontal-scaling-in-an-elixir-phoenix-app/76790)
**Author:** [@EssenceOfChaos](https://forum.elixirforum.com/u/EssenceOfChaos)\ **Replies:** 6\ **Last updated:** [September 28, 2026, 5:52am UTC](https://forum.elixirforum.com/t/when-do-you-introduce-horizontal-scaling-in-an-elixir-phoenix-app/76790 "2026-09-28T05:52:50Z")
I created an app that uses Phoenix LiveView and is deployed on Gigalixir. The app manages the state of multiple players (for example, a poker table) using a Registry and a GenServer. I’m aware that Phoenix can handle ma… --- ## [JSON module benchmarking](https://forum.elixirforum.com/t/json-module-benchmarking/76551)
**Author:** [@code-anth](https://forum.elixirforum.com/u/code-anth)\ **Replies:** 7\ **Last updated:** [September 4, 2026, 2:39pm UTC](https://forum.elixirforum.com/t/json-module-benchmarking/76551 "2026-09-04T14:39:15Z")
Hello. I have benchmarked the JSON module ( JSON — Elixir v1.20.4 ) against a few libraries, including Erlang’s :jiffy. I’ve noticed a pattern that I find a bit hard to explain/understand and would like to hear your thou… --- ## [Help SWAR optimize URI.encode\_www\_form/1](https://forum.elixirforum.com/t/help-swar-optimize-uri-encode-www-form-1/76227)
**Author:** [@preciz](https://forum.elixirforum.com/u/preciz)\ **Replies:** 2\ **Last updated:** [August 11, 2026, 9:44pm UTC](https://forum.elixirforum.com/t/help-swar-optimize-uri-encode-www-form-1/76227 "2026-08-11T21:44:25Z")
I had a lot of back and forth with Codex CLI & GPT 5.6 Sol to use a SWAR optimization for URI.encode\_www\_form/1. I now have a version that on my machine has no performance regression and has a 1.1X-7x speedup (depending… --- ## [LiveView DOM patching in webcomponents with slotted content](https://forum.elixirforum.com/t/liveview-dom-patching-in-webcomponents-with-slotted-content/76028)
**Author:** [@carlosescri](https://forum.elixirforum.com/u/carlosescri)\ **Replies:** 4\ **Last updated:** [July 24, 2026, 4:19pm UTC](https://forum.elixirforum.com/t/liveview-dom-patching-in-webcomponents-with-slotted-content/76028 "2026-07-24T16:19:25Z")
Hi all! I’ve been working on some RAW (no framework) web components for one of our projects to see how well they behave with Phoenix LiveView. At the time I have: Custom tooltips (no problem) Phone Input with country… --- ## [In comprehensions, why a syntax difference between \`into:\` and \`reduce:\`](https://forum.elixirforum.com/t/in-comprehensions-why-a-syntax-difference-between-into-and-reduce/75666)
**Author:** [@mszmurlo](https://forum.elixirforum.com/u/mszmurlo)\ **Replies:** 8\ **Last updated:** [June 13, 2026, 11:52pm UTC](https://forum.elixirforum.com/t/in-comprehensions-why-a-syntax-difference-between-into-and-reduce/75666 "2026-06-13T23:52:04Z")
Recently ‘discovered’ the reduce: option for comprehensions. Very useful, yet there is a syntax difference between into: and reduce: that I don’t understand: into: requires the comprehension’s code block to return the… --- ## [Understanding why atoms are not garbage collected](https://forum.elixirforum.com/t/understanding-why-atoms-are-not-garbage-collected/75631)
**Author:** [@W3NDO](https://forum.elixirforum.com/u/W3NDO)\ **Replies:** 4\ **Last updated:** [June 11, 2026, 7:10am UTC](https://forum.elixirforum.com/t/understanding-why-atoms-are-not-garbage-collected/75631 "2026-06-11T07:10:10Z")
I went back to building on ruby during an interview and I was asked to explain symbols. It got me thinking about ruby symbols and elixir atoms. One of the big differences between ruby symbols and elixir atoms is that ato… --- ## [PatchELF instead of Docker?](https://forum.elixirforum.com/t/patchelf-instead-of-docker/25637)
**Author:** [@pera](https://forum.elixirforum.com/u/pera)\ **Replies:** 4\ **Last updated:** [October 10, 2019, 11:23pm UTC](https://forum.elixirforum.com/t/patchelf-instead-of-docker/25637 "2019-10-10T23:23:49Z")
Releases is a fantastic new feature in Elixir 1.9, but it comes with one important caveat: Once a release is assembled, it can be packaged and deployed to a target, as long as the target runs on the same operating syst…