Hope this helps some of you who were getting blank data results. The cache library is clever enough to pick the best cache driver from the four available ones memcached, APC, file and dummy. What happens if unlink is executed on a file that is currently locked? When you are dealing with multiple webservers this scheme is simply not possible with the previous caching methods. Unless you’re using a network filesystem, which is slow and often a bad idea. The chance that data will be stored on that specific server will also be doubled. This has one big advantage; you can check if a file is valid before actually opening the file, using the last modified time filemtime.
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How can I change the directory to store?
Caching Driver : CodeIgniter User Guide
When somebody updates, say, a page in the cms; they usually expect the respecting page to update instantly. All of the methods listed above can be accessed without passing a specific adapter to the driver loader as follows:.
All of the functions listed above can codeignjter accessed without passing a specific adapter to the driver loader as follows:. All of the functions listed above can be accessed without passing a specific adapter to the driver loader as follows: These are the results for 50 concurrent connections: Debian tends to be slow in updates.
Memcached is a cache server originally developed by the LiveJournal people and now being used by sites like DiggFacebookSlashdot and Wikipedia.
You can also specify a return value in order to move data around. As I am noob in OOP php: As the program is run after that, it would retrieve the values from the cache. You’ll only get a status update every few requests. However, if the individual drivers are used, make sure to call this function to ensure the driver is supported in the hosting environment. Now, the only thing you have to do in order to use this class, is add servers.
caching – CodeIgniter APC Cache fails to GET – Stack Overflow
Its very good also on multiple servers. Using the ttl in the file averaged better in every run. This has one big advantage; you can codeignjter if a file is valid before actually opening the file, using the last modified time filemtime.
Installing and running APC cache with CodeIgniter February 13, 3 Minute Read Codeigniter 2 now includes an excellent cache driver, which makes it dead easy to use any one of the great available cache librairies such as APC o memcached.
CodeIgniter User Guide Version 2. I don’t see any situation when you really have to cache data larger than 1MB.
CodeIgniter User Guide Version 2.2.6
When you are dealing with multiple webservers this scheme is simply not possible with the previous caching methods. We only concern ourselves with abstraction after setup. The optional third parameter Time To Live defaults to 60 seconds. Unlike caching from the Output Class, the driver file-based caching allows for pieces of view files to be cached.
Using shared memory in APC is extremely simple, I’m not even going to explain it, the code should tell enough. The following example will load the cache driver, specify APC as the driver to use, and fall back to file-based caching if Codeignitre is not available in the hosting environment. What happens if unlink is executed on a file that is currently locked?
I dont know is codelgniter a bug or feature but You are stuck with a version though.
Meaning that every server should add the exact same memcache servers so the keys will distributed in the same codeigiter from every webserver.
I totally didn’t think of that situation. Here’s the alternative installation instructions. Edit Report a Bug.
The information returned and the structure of the data is dependent on which adapter is being used. So if you want to use it. And by the way, APC now works for my code! Installation On Ubuntu, and on other debian based linuxes, you can install APC by typing sudo apt-get install php-apc.