# Maximum number of proxy\_cache\_path key\_zone's?

**URL:** <https://www.ruby-forum.com/t/maximum-number-of-proxy-cache-path-key-zones/201685>\
**Category:** NGINX\
**Created:** [January 12, 2011, 9:22pm UTC](https://www.ruby-forum.com/t/maximum-number-of-proxy-cache-path-key-zones/201685 "2011-01-12T21:22:31Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![dubstep](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/d/cdc98d/32.png) [@dubstep](https://www.ruby-forum.com/u/dubstep)\
**Post date:** [January 12, 2011, 9:22pm UTC](https://www.ruby-forum.com/t/maximum-number-of-proxy-cache-path-key-zones/201685/1 "2011-01-12T21:22:31Z")

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Hi,

Is there a limit to how many different key\_zone’s (in the  
proxy\_cache\_path directive) are possible in an nginx instance?

-Ed

Posted at Nginx Forum:

> **[maximum number of proxy\_cache\_path key\_zone's?](https://forum.nginx.org/read.php?2,165693,165693#msg-165693)**
>
> Hi, Is there a limit to how many different key\_zone's (in the proxy\_cache\_path directive) are possible in an nginx instance? -Ed

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**Author:** ![E\_Nilson](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/e/b9e5f3/32.png) [@E\_Nilson](https://www.ruby-forum.com/u/E_Nilson)\
**Post date:** [January 13, 2011, 2:42pm UTC](https://www.ruby-forum.com/t/maximum-number-of-proxy-cache-path-key-zones/201685/2 "2011-01-13T14:42:11Z")

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Hello!

On Wed, Jan 12, 2011 at 03:21:16PM -0500, E Nilson wrote:

> Is there a limit to how many different key\_zone’s (in the  
> proxy\_cache\_path directive) are possible in an nginx instance?

No.

Maxim D.