Hello!

On Fri, Dec 14, 2012 at 01:45:34AM -0500, justin wrote:

> Browsing my nginx error log noticed the following logged A LOT:
>
> 2012/12/13 21:37:18 [crit] 7968#0: ngx_slab_alloc() failed: no memory in SSL
> session shared cache "SSL_CACHE"
>
> If the cache fills, does it flush older entries for new entries? Basically,
> how does the SSL cache work exactly?

If there is no memory available in a shared cache, oldest
non-expired session will be dropped. In most cases this will be
enough to create new session, but I wouldn't rely on this as this
is more an emergency mechanism than a normal behaviour.

--
Maxim Dounin
http://nginx.com/support.html

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