PHP Memcache curr items

Question

I was wondering if 'curr_items' in the memcache stats is the number of stored keys ? From my testing , curr_items returned for me a higher number then the counter I've used to count the number of memcache keys by getting all the keys and counting it.

Can someone confirm that curr_items isn't the number of keys and what does curr_items represents

Justin T. · Accepted Answer · 2012-06-07 14:15:41Z

3

Yes, this is a known behavior of memcached. Quoting :

Expiration in memcached is lazy. In general, an item cannot be known to be expired until something looks at it.

see Why Isn't curr_items Decreasing When Items Expire?

answered Jun 7, 2012 at 14:15

Justin T.

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