MemoryProfiler
leaky-rails-app
| MemoryProfiler | leaky-rails-app | |
|---|---|---|
| 6 | 1 | |
| 1,659 | 0 | |
| - | - | |
| 3.4 | 1.8 | |
| 11 months ago | over 1 year ago | |
| Ruby | Ruby | |
| MIT License | - |
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MemoryProfiler
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Suggestions for how to reduce memory usage
Wire the memory_profiler into an around_action to identify your bloaty actions.
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A Deep Dive into Memory Leaks in Ruby
The memory_profiler gem offers a very simple API and a detailed (albeit a little overwhelming) allocated and retained memory report — that includes the classes of objects that are allocated, their size, and where they were allocated. It's straightforward to add to our leaky program.
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Ok y’all. How can we get this kind of real-time memory profiling in Ruby? Does it already exist? Is anyone working on this?
memory_profiler
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Advanced ActiveRecord Querying - With Benchmarks!
We don't need to rely upon a priori reasoning only, we can use memory_profiles and benchmark_ips to compare the memory consumption and iterations per second of each solution.
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Is there a more efficient way to do these permutation calculations?
Either https://github.com/tmm1/stackprof for cpu or https://github.com/SamSaffron/memory_profiler for memory. In practice profiling and removing allocations also gives a large perf boost.
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Reduce memory consumption with a custom ActiveRecord attribute
Our project has one endpoint which gets called quite often. So, I profiled it with memory profiler and saw a line pointing to hstore.rb.
leaky-rails-app
What are some alternatives?
rack-mini-profiler - Profiler for your development and production Ruby rack apps.
lru_redux - An efficient optionally thread safe LRU Cache
bullet - help to kill N+1 queries and unused eager loading
Derailed Benchmarks - Go faster, off the Rails - Benchmarks for your whole Rails app
Timeasure - Transparent method-level wrapper for profiling purposes in Ruby
prosopite - :mag: Rails N+1 queries auto-detection with zero false positives / false negatives
perftools.rb - gperftools for ruby code
memray - Memray is a memory profiler for Python
Peek - Take a peek into your Rails applications.
ruby-prof - A ruby profiler. See https://ruby-prof.github.io for more information.
Rbkit - A new profiler for Ruby. With a GUI
stackprof - a sampling call-stack profiler for ruby 2.2+