Comments on: Forking Ruby makes MySQL go away http://labnotes.org/2005/11/07/forking-ruby-makes-mysql-go-away/ Tue, 15 May 2012 02:41:51 +0000 hourly 1 http://wordpress.org/?v=3.3.2 By: Assaf http://labnotes.org/2005/11/07/forking-ruby-makes-mysql-go-away/comment-page-1/#comment-282 Assaf Thu, 17 Nov 2005 11:34:55 +0000 http://blog.labnotes.org/2005/11/07/forking-ruby-makes-mysql-go-away/#comment-282 <p>thanks.</p> <p>one case where I would like to fork the code is calling Open3, so I can run a shell command that may not exist, and detect it from stderr.</p> <p>doing %x{} or anything else displays an error in the console.</p> <p>I'd also want to play with processes to see if there's any performance difference from threads.</p> thanks.

one case where I would like to fork the code is calling Open3, so I can run a shell command that may not exist, and detect it from stderr.

doing %x{} or anything else displays an error in the console.

I’d also want to play with processes to see if there’s any performance difference from threads.

]]> By: Michael Granger http://labnotes.org/2005/11/07/forking-ruby-makes-mysql-go-away/comment-page-1/#comment-252 Michael Granger Thu, 10 Nov 2005 13:20:56 +0000 http://blog.labnotes.org/2005/11/07/forking-ruby-makes-mysql-go-away/#comment-252 <p>That happens when something clobbers the socket in your handle to the db. Since fork() isn't implemented in win32, there must be something funky in Ruby's fork() emulation that's invalidating the socket in your handle.</p> <p>Do you really need to fork? You can use Thread {} for simultaneity, and if you just want a daemonized process, Daniel Berger has an excellent module that lets you write Win32 services in Ruby: http://raa.ruby-lang.org/project/win32-service/</p> That happens when something clobbers the socket in your handle to the db. Since fork() isn’t implemented in win32, there must be something funky in Ruby’s fork() emulation that’s invalidating the socket in your handle.

Do you really need to fork? You can use Thread {} for simultaneity, and if you just want a daemonized process, Daniel Berger has an excellent module that lets you write Win32 services in Ruby: http://raa.ruby-lang.org/project/win32-service/

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