The get
function in a Python Memcached client is primarily used for retrieving data (values) using respective keys. Common use cases include caching data to reduce database load, storing session data, or rapid retrieval of frequently accessed information.
Let's assume you're using the pymemcache
library, which is a comprehensive Python client for Memcached.
Firstly, install pymemcache with pip:
pip install pymemcache
Then, here's an example of how to use the get method:
from pymemcache.client.base import Client # Create a memcached client client = Client(('localhost', 11211)) # Set a value for the key 'my_key' client.set('my_key', 'my_value') # Get the value of 'my_key' value = client.get('my_key') print(value) # Output: 'my_value'
In this code, we first create a connection to our Memcached server running on localhost at port 11211. Then we store a value 'my_value' under the key 'my_key'. After that, we retrieve the stored value using the get
function and print it.
get
. If the key doesn't exist in the cache, get
will return None.get_multi
to perform them in one network call.What happens if I try to get
a key that doesn't exist?
get
method will return None.Is there any difference between get
and get_multi
?
get
retrieves a single key-value pair, while get_multi
can retrieve multiple key-value pairs in a single call, optimizing network usage.Dragonfly is fully compatible with the Redis ecosystem and requires no code changes to implement.