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I came across a GC called immix that is very new and wanted to bring it to the attention of the Crystal community. immix was written by contributors of the scala-native project, which aims to compile …
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### Steps to reproduce
I am seeing performance degradation and increased memory usage with ActiveRecord 7.2 in fiber-based environments. It looks like accessing connection pool methods, like `relea…
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The Magnus 0.7.0 release added support for Ruby Threads, Mutex, and Fibers. This is a good time to get rid of the fork that supports releasing the GVL, and instead revisit the scheduler "model" for v8…
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**Since I am not sure if this is a Crystal issue or Kemal issue, I have reported this to the Kemal team as well (kemalcr/kemal#543).**
### Description
A [simple server](https://github.com/rvpras…
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Use Rails 6 built-in parallelizer API for running parallel RSpec executors
https://edgeguides.rubyonrails.org/testing.html#parallel-testing
https://github.com/rails/rails/pull/31900#issuecomment…
zoras updated
3 months ago
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The JS-compiled version of Dart Sass hovers around 2.5x and 3x slower than when running on the Dart VM. Some slowdown is inevitable, but this seems extreme. We should put dedicated effort into profili…
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Ruby 3.2.2
rub-prof 1.6.3
[Merging](https://www.rubydoc.info/gems/ruby-prof/RubyProf%2FProfile:merge!) thousands of threads.
```
-- C level backtrace information ------------------------------…
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**Is your feature request related to a problem? Please describe.**
Right now there isn't a documented/stable way to use Node as a shared library inside of an application. Were one to be made using N-…
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hey @jgaskins, thanks for this awesome shard!
I'm having a few issues putting together the data on DD. Namely the primary `span.resource` keeps showing up in the redis/PG integrations and also the …
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Hey, thanks for this amazing tool. I've noticed that files are written to disk after the website is completely processed. For performance, this makes sense: making HTTP requests and then stopping to w…