Question: How do you configure Memcached?
Answer
To configure Memcached, you can modify its configuration file called memcached.conf
. Here are the steps to configure Memcached:
-
Locate the
memcached.conf
file: The location of thememcached.conf
file may vary depending on your operating system and installation method. Common locations include/etc/memcached.conf
or/usr/local/etc/memcached.conf
. -
Open the
memcached.conf
file in a text editor: Use your preferred text editor to edit thememcached.conf
file. -
Configure Memcached settings: The
memcached.conf
file contains various settings that you can modify to configure Memcached according to your needs. Some common settings are:
-m
: Specifies the amount of memory that Memcached can use for caching. For example, to allocate 512 MB of memory for Memcached, use the following setting:
-m 512
-p
: Specifies the port number that Memcached listens on. For example, to use port 11211, use the following setting:
-p 11211
-c
: Specifies the maximum number of client connections that Memcached can handle simultaneously. For example, to allow up to 1024 connections, use the following setting:
-c 1024
-l
: Specifies the IP address that Memcached binds to. By default, Memcached binds to all available network interfaces. If you want to restrict Memcached to a specific IP address, use the following setting:
-l 127.0.0.1
-
Save the
memcached.conf
file: After making the desired changes to thememcached.conf
file, save the file and exit the text editor. -
Restart Memcached: To apply the new configuration settings, you need to restart Memcached. The method to restart Memcached may vary depending on your operating system and installation method. Here are some common methods:
- If you installed Memcached using a package manager, use the following command to restart it:
sudo systemctl restart memcached
- If you compiled Memcached from source, use the following command to restart it:
/path/to/memcached -d -u <your_user> -c <num_connections> -m <memory_size> -p <port_number>
In this command, replace /path/to/memcached
with the path to your Memcached binary file, <your_user>
with your username, <num_connections>
with the maximum number of client connections you want to allow, <memory_size>
with the amount of memory you want to allocate for caching, and <port_number>
with the port number you want to use.
That's it! Once Memcached is restarted with the new configuration, it will use the specified settings for caching and serving data.
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Other Common Memcached Questions (and Answers)
- Does Memcached expire?
- Does Memcached write to disk?
- Does Memcached-top come by default with Memcached?
- What is the location of Memcached error log?
- How does Memcached consistent hashing work?
- How does Memcached work?
- Does restarting Memcached clear cache?
- How to connect to Memcached?
- Does Memcached support encryption?
- How to pronounce Memcached?
- How to check Memcached version in Linux?
- How to install Memcached in CentOS 7?
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