Sync multi nginx (persistent) caching proxy for one(or more) app server
Igor Sysoev
igor at sysoev.ru
Tue Aug 2 04:26:49 UTC 2011
On Mon, Aug 01, 2011 at 10:43:53PM -0400, lennydizzy wrote:
> Hi,
>
> I am a newbie Nginx user, so bear with me here ;-)
>
>
> I want to setup multiple (identical) caching proxy in front of my app
> server.
>
> Basically - Load balancer - multiple nginx caching proxy - app
> server(s)
>
> So I have two questions:
>
> 1. How do I make the cache persistent (across nginx restart)?
> Wiki says that keys and metadata are stored in shared memory, does that
> mean it's not possible to save cache?
The cache is persistent. Keys and metadata are loaded gracefully (I hope)
from disk on nginx start.
> 2. How do I sync the caches on different nginx, so that same URL request
> does not hit app server multiple times.
> Can I use something like rsync?
No, currently it's not possible.
--
Igor Sysoev
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