# Returning NGX\_AGAIN kills performance?

**URL:** <https://www.ruby-forum.com/t/returning-ngx-again-kills-performance/212094>\
**Category:** NGINX\
**Created:** [September 22, 2011, 1:37am UTC](https://www.ruby-forum.com/t/returning-ngx-again-kills-performance/212094 "2011-09-22T01:37:17Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![luislavena](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/l/0ea827/32.png) [@luislavena](https://www.ruby-forum.com/u/luislavena)\
**Post date:** [September 22, 2011, 1:37am UTC](https://www.ruby-forum.com/t/returning-ngx-again-kills-performance/212094/1 "2011-09-22T01:37:17Z")

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hi,

i currently dev a module which makes multi subrequest sequently in the  
access phase handler, via returning NGX\_AGAIN.

my question is, will this kill the performance? and how far could it go  
in  
killing performance.

thx!

Abioy
