Bug #10009
Updated by normalperson (Eric Wong) over 10 years ago
I created this issue #9832 but not have io operation.
In the script attached I simulate IO operation in multi-thread environment.
For ruby 1.9.2 apply `taskset -c -p 2 #{Process.pid}` for regulates threads behavior.
The second Thread is a io operation
My results:
1) ruby 2.1.2
first 43500194
second 95
third 42184385
2) ruby-2.0.0-p451
first 38418401
second 95
third 37444470
3) 1.9.3-p545
first 121260313
second 50
third 44275164
4) 1.9.2-p320
first 31189901
second 897 <============
third 31190598
Regards
Alexandre Riveira