https://github.com/mattetti/gc-stats-middleware

Ruby GC Stats after each request (rack middleware)
https://github.com/mattetti/gc-stats-middleware

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Ruby GC Stats after each request (rack middleware)

• Host: GitHub
• URL: https://github.com/mattetti/gc-stats-middleware
• Owner: mattetti
• Created: 2010-07-29T07:30:28.000Z (over 14 years ago)
• Default Branch: master
• Last Pushed: 2010-07-29T07:33:34.000Z (over 14 years ago)
• Last Synced: 2024-11-27T12:46:45.323Z (2 months ago)
• Homepage:
• Size: 90.8 KB
• Stars: 50
• Watchers: 1
• Forks: 4
• Open Issues: 0
• Metadata Files:
  • Readme: README

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README

        
Basic middleware to help developers track their memory usage.

DO NOT USE IN PRODUCTION

Currently only tested on Ruby 1.9 and no support guaranteed

Output example:

GC run, previous cycle was 255 requests ago.

GC 40 invokes.

Index    Invoke Time(sec)       Use Size(byte)     Total Size(byte)         Total Object                    GC Time(ms)

    1               1.267              3094640              4063232               101432        14.47700000000007314327

    2               1.391              3088480              4063232               101432        13.95699999999999718625

    3               1.514              3091160              4063232               101432        13.84699999999994268762

    4               1.643              3093400              4063232               101432        14.65799999999983782573

    5               1.771              3094800              4063232               101432        15.47099999999979047516

    6               1.899              3089200              4063232               101432        14.96900000000001007550

    7               2.028              3091600              4063232               101432        17.90399999999969793407

    8               2.164              3093320              4063232               101432        15.38599999999989975663

    9               2.298              3091440              4063232               101432        15.29500000000005854872

   10               2.432              3089800              4063232               101432        16.75899999999996836664

   11               2.570              3093280              4063232               101432        14.70199999999977080734

## 23900 freed objects. ##

[60%] 14414 freed strings.

[12%] 2927 freed arrays.

[9%] 2268 freed big numbers.

[2%] 564 freed hashes.

[1%] 373 freed objects.

[5%] 1351 freed parser nodes (eval usage).

or:

[GC Stats] 146 new allocated objects.