In Ruby, memcached stats items are often used to monitor and analyze the performance of your Memcached servers. They allow you to retrieve statistics about the items (keys) stored in your cache. This can help you understand how effectively your cache is being utilized, whether it's time to scale up or adjust your caching strategies, among other things.
In this example, we first include the
memcached gem and create a new instance of
Memcached. We store some data using the
.set() method. Then we call
.stats() on our cache instance to get statistics, and specifically pull out the
items attribute. Finally, we output the item statistics.
Please note that the
stats method will return a hash with various statistics. In this case, we're focusing on the 'items' key, which contains statistics related to items stored in Memcached.
Q: What does 'evictions' mean in Memcached stats? A: Evictions refer to the number of valid items removed from cache to free up memory for new items because Memcached ran out of space.
Q: Can I get stats for a specific item?
A: No, Memcached does not provide the ability to get stats for a specific item. However, you can get general stats about all items using the