# With rails thread safe, is mongrel multi-threaded now?

**URL:** <https://www.ruby-forum.com/t/with-rails-thread-safe-is-mongrel-multi-threaded-now/172190>\
**Category:** Rails\
**Created:** [July 16, 2009, 2:44pm UTC](https://www.ruby-forum.com/t/with-rails-thread-safe-is-mongrel-multi-threaded-now/172190 "2009-07-16T14:44:47Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![gaoxt1983](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/g/b4bc9f/32.png) [@gaoxt1983](https://www.ruby-forum.com/u/gaoxt1983)\
**Post date:** [July 16, 2009, 2:44pm UTC](https://www.ruby-forum.com/t/with-rails-thread-safe-is-mongrel-multi-threaded-now/172190/1 "2009-07-16T14:44:47Z")

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Like I have 4 mongrel processes with a 4 cpu server, and there are 10  
concurrency connections. Does the server response the client  
concurrencily (I know with time slice, there is no real concurrency.)?