getStats method in the PHP Memcached extension can be used to retrieve statistics about items stored in a Memcached server. This is particularly useful for monitoring and debugging purposes, such as inspecting cache usage and performance issues.
Here's an example of how you can retrieve and display stats for items:
In this code, we first create a new Memcached instance and add a server (in this case, it's localhost on port 11211). We then use the
getStats method to get the statistics and iterate over them. We print out each server name and its total number of items.
getStatsmethod excessively in production environments as it may affect your application's performance. It's generally best used for debugging or occasional monitoring.
Q: Can I use the
getStats method to retrieve stats for a specific item?
A: No, the
getStats method retrieves overall statistics about the Memcached server, not individual items.
Q: What does the 'total_items' stat represent exactly?
A: The 'total_items' stat is the total number of items currently stored by this server from start time up until now.