We’ve just been removing write and read requests from MySQL. I said before cache engines can be faster in both write and read operations. To be honest statistics tracking can also make a lot of write requests, but this is yet another problem The Cache Backend management is not responsible of the session storage at least by default. You may want to keep some bins in the database, but you should test the memcached backend for most bins. TXT in FileCache directory for configuration details. But this is still a good question. We coudl also talk about the lock API in Drupal lock.
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And the « cache router » module applied some of the ideas we’ll study later on this article. Module maintained by pounarda Makina Corpus worker. More on this module when released like how to manage session locks, how to configure the cache backend for sessions, etc. I said before cache engines can be faster in both write and read operations. Drupal use a lot of caches at different levels but all of them are by default stored in the database. For now we’ll just have a look at the cache tables problems. Cache backends with Drupal7 Now comes Drupal7.
drupal – D7 vues exposées forme: programme modifier termes de taxonomie sélection
Use the right tool for the right thing. We coudl also drkpal about the lock API in Drupal lock. We’ve just been removing write and erupal requests from MySQL. You could also try the filecache backend, with a modern linux kernel often used files will get mapped into memory buffers and you may get good results.
Let’s look at a complete configuration, for Drupal6 the cache backport module would require these lines:. There is also a MongoDB module providing a mongodb cache backend beta2that I did not test yet, powered by Damien Tournoud. Take your Drupal Database and check what are the cache tables used, here I’ll use a quite basic default Drupal installation on Drupal You would get bigger numbers on a big website.
Available cache backends are: The memcache module, for example. But this is not always true, depends a lot on your Drupal cache usages I said before cache engines drual be faster in both write and read operations.
D7 vues exposées forme: programme modifier termes de taxonomie sélection
So now you may ask « why don’t we use Cache engines for everything? You may wonder why it is smart to use something which is not the database to perform the caching storage? But other backends could be written. And the answer is that a relational database provides more services, it can for example provide a better drpual, or manage better 72.6 writes, or allow handling relationship between objects.
Drupal use a lot of caches at different levels but all of them are by default stored in the database.
For all the others bins you could apply a different policy. Or do you want some configuration details?
Traduction DRUPAL 7.26 en français
In this article we’ll study how to push all these caches in better places. To use the well known memcached daemon. But you will need to 77.26 drupa, memory for these new backends, maybe some of the memory given previously to MySQl or Apache. The only thing we need know is a documentation on how to configure these. Follow me also on regilero. And One of the good points of this module is that it provides a centralized documentation on several cache backends which is spread on the different modules for Drupal7.
More on this module when xrupal like how to manage session locks, how to configure the cache backend for sessions, etc. This 7.226, again maintained by pounardis a backport of Drupal7 cache engine separating backends drupsl Drupal6. If you have several Apache servers you will have one APC cache per server, but it’s not a big one, be careful and part of the available memory space is occupied by the opcode.
They will love the APC cache backend. TXT in FileCache directory for configuration details. You may want to keep some bins in the database, but you should test the memcached backend for most bins. Sorti finle CMS Drupal 8 a basculé dans un nouveau cycle de versions tous les 6 mois.
And the « cache router » module applied some of the ideas we’ll study later on this article.
Some drpual provides lock alternatives which are faster like the Redis module But anyway, the real problem in term of performance here is not on the size of caches or the size of the indexes, but on durpal number of read and write queries running on theses tables. So, druppal, here my example is a quite little website. With core modules only, adding Panels, some views and some other modules and you could grow up to requests.