Tunemygc2x TuneMyGC optimal MRI Ruby 2.1+ Garbage Collection

App discourse ActionController on Ruby 2.2.0


Suggested GC config (recommended based on 11 samples)  

Variable Value
RUBY_GC_HEAP_INIT_SLOTS 330667
RUBY_GC_HEAP_FREE_SLOTS 992001
RUBY_GC_HEAP_GROWTH_FACTOR 1.03
RUBY_GC_HEAP_GROWTH_MAX_SLOTS 132267
RUBY_GC_HEAP_OLDOBJECT_LIMIT_FACTOR 1.2
RUBY_GC_MALLOC_LIMIT 28551801
RUBY_GC_MALLOC_LIMIT_MAX 51393242
RUBY_GC_MALLOC_LIMIT_GROWTH_FACTOR 1.32
RUBY_GC_OLDMALLOC_LIMIT 32139872
RUBY_GC_OLDMALLOC_LIMIT_MAX 57851770
RUBY_GC_OLDMALLOC_LIMIT_GROWTH_FACTOR 1.2

  Memory usage (peak and current RSS values across all samples)

  GC cycles (overview of GC cycle frequency and types)

  GC reasons (what triggered GC?)

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