Web Development

8 minutes read
To use memcache with JavaScript, you can either write a server-side script in a language like PHP or Python that interacts with the memcache server, and then make AJAX requests in your JavaScript code to interact with that script. Alternatively, you can also use a library like memjs or node-memcached to interact directly with the memcache server from your JavaScript code.
8 minutes read
To improve memcache hitrate, you can start by monitoring and analyzing your current hitrate to identify any patterns or potential issues. Consider adjusting the max memory allocation for memcache to ensure it has enough memory to store frequently accessed data. Implement a proper cache expiration strategy to remove stale data and free up space for new entries. Utilize a consistent caching strategy to ensure that data is always fetched from the cache whenever possible.
6 minutes read
To clear memcache in Symfony, you can use the clear() method provided by the Memcached service. This method clears all keys stored in the memcache instance. You can access the Memcached service using the service container in Symfony. Simply retrieve the service and call the clear() method on it. This will remove all cached data from the memcache instance, allowing you to start fresh with a clean cache.
5 minutes read
To find the keys that are being evicted from Memcache, you can use the "stats items" command in the Memcache command line interface. This command will display a list of all the items that are currently stored in the Memcache server, along with their expiration time and eviction status. By monitoring this list, you can identify which keys are being evicted and take appropriate action, such as increasing the memory limit or optimizing your cache usage.
5 minutes read
To store different values with the same key in Memcache, you can serialize the values into a single data structure before storing them. This can be done by using a data structure such as a dictionary or a list that maps the different values to unique identifiers within the key. When retrieving the values, you can deserialize the data structure and access the values based on their identifiers. This allows you to store multiple values with the same key in Memcache and retrieve them as needed.
7 minutes read
To add a prefix to memcache keys, you can include the prefix as part of the key name when setting or getting values in the memcache instance. Simply append the desired prefix string to the key name before storing it in memcache. This will help organize and differentiate your keys within the memcache instance, making it easier to manage and retrieve them when needed.
6 minutes read
To allow many IP addresses to connect to a Memcache server, you can configure the Memcache server settings to allow connections from multiple IPs. This can typically be done by editing the Memcache configuration file and adding the IP addresses that you want to allow to connect to the server.You may need to restart the Memcache server after making these changes for them to take effect.
6 minutes read
To expire cached data in Memcache, you can simply set a time-to-live (TTL) value for each key when setting the data in the cache. This TTL value determines how long the data will remain in the cache before it expires and is automatically removed.Alternatively, you can manually delete specific cached data by using the delete or flush method provided by the Memcache client library you are using.
7 minutes read
To use memcached with PHP, you first need to install the memcached server on your server. You can do this using package management tools like apt-get or yum.Once memcached is installed, you need to install the PHP memcached extension. This can be done using PECL, by running the command "pecl install memcached". After installing the extension, you need to enable it in your php.ini file by adding the line "extension=memcached.so".
7 minutes read
To install memcache in MAMP, you will need to download the Memcached PHP extension from http://pecl.php.net/package/memcache and compile it with MAMP's PHP version. Once you have downloaded the extension, you will need to extract it and navigate to the folder using your command line. From there, you can run the following commands: "phpize", "./configure", "make", and "make install" to compile and install the extension.