Qiita Teams that are logged in
You are not logged in to any team

Log in to Qiita Team
Community
OrganizationAdvent CalendarQiitadon (β)
Service
Qiita JobsQiita ZineQiita Blog
Help us understand the problem. What is going on with this article?

ObjectSpace.memsize_of

More than 3 years have passed since last update.

http://stackoverflow.com/questions/10068018/memory-size-of-a-hash-or-other-object

http://stackoverflow.com/questions/16456513/size-of-class-in-bytes

[2] pry(main)> require 'objspace'
=> true
[3] pry(main)> p ObjectSpace.memsize_of("a" * 23)
0
=> 0
[4] pry(main)> p ObjectSpace.memsize_of("a" * 24)
24
=> 24

strings can be embedded in an RString structure if they are short, but stored in the heap if they are long (Never create Ruby strings longer than 23 characters).

Why not register and get more from Qiita?
  1. We will deliver articles that match you
    By following users and tags, you can catch up information on technical fields that you are interested in as a whole
  2. you can read useful information later efficiently
    By "stocking" the articles you like, you can search right away