item expiration

[Dave Strickler]

If you set the TTL to zero, it won't expire due to time, but I don't  
know how to stop it from deleting if it needs the space.

Dave Strickler

On Jun 10, 2008, at 10:04 PM, Grant Maxwell  
<grant.maxwell at maxan.com.au> wrote:

> Hi Folks
>
> My understanding is that items will expire in two fundamental ways;  
> if a TTL was specified on the set or if the cache needs room and  
> deletes old items.
>
> My quesions are:
>
>    Is this understanding fully correct ?
>    Is there a way to tell the cache that an item should be fully  
> persistent - i.e. don't throw it away for any reason ?
>
> The second question relates to us being able to use the cache as a  
> storage area that only disappears if the daemon stops etc. This  
> would be very useful in our environment where we can cache stuff at  
> start up, share it across multiple processes/networks, and have  
> enormous impact on efficiency. Obviously not specifying a TTL on the  
> set method means it wont expire, but what about the situation where  
> the memcached needs space and deletes the oldest items ?
>
> thanks
> Grant

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