TÉLÉCHARGER DRUPAL 7.26
Available cache backends are: Let’s look at a complete configuration, for Drupal6 the cache backport module would require these lines:. So now you may ask « why don’t we use Cache engines for everything? But other backends could be written. You could maybe avoid completely the database requests in aggressive mode Dedicated storage engine cache engines perform faster than a relational database both in write and read operations Reducing the number of requests made on MySQL is very important with Drupal, where a single page can be between 50 and requests.
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I said before cache engines can be faster in both write and read operations. The only thing we need know is a documentation on how to configure these. So by definition it’s quite hard to perform some fine tunning on the MySQL server if this table is not removed. And of course some existing modules could help you doing that. In this article we’ll study how to push drupl these caches in better places. So, druppal, here my example is a quite little website. Cache backends with Drupal7 Now comes Drupal7.
And the « cache router » module applied some of the ideas we’ll study later on this article.
TXT in FileCache directory for configuration details. And for each bin you can specify which storage backend will be used.
This is always almost provided in the module documentation but we will use the cache backport module documentation as an example. Drupl is also a MongoDB module providing a mongodb cache backend beta2that I did not test yet, powered by Damien Tournoud.
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In case of full cache overflow the cache is completely wiped out, so do not use that for long persistency. Memcache module is providing a tool for that, Cache Router module was announcing it as well.
Use the right tool for the right thing. And the answer is that a relational database provides more services, it can for example provide a better persitency, or manage better simultaneous writes, or allow handling relationship between objects.
You may wonder why it is smart to use something which is not the database to perform the caching storage? But 77.26 will need to allow some memory for these new backends, maybe some of the memory given previously to MySQl or Apache.
There is no magic rules, the best tool will depend on your cache usage and on used modules.
Separate cache Backends with Drupal6 and Drupal7
For all the others bins you could apply a different policy. We coudl also talk about the lock API in Drupal lock.
The only thing we need know is a documentation on how to configure these. Take your Drupal Database and check what are the cache tables used, here I’ll use a quite basic default Drupal installation on Drupal Let’s look at a complete configuration, for Drupal6 the cache backport module would require these lines:.
For now we’ll just have a look at the cache tables problems. And One of the good points of this module is that it provides a centralized documentation on several cache 7.226 which is spread on the different modules for Drupal7.
Keep in mind that you should never make a server swap. Follow me also on regilero.
To use the well known memcached daemon. Soon enough you will ask yourself « Could I use some smarter solutions like Memcache for the cache storage? In this article we’ll study how to push all these caches in better places.
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Module maintained by pounarda Makina Corpus worker. But this is not always true, depends a lot on your Drupal cache usages I said before cache engines can be faster in both write and read operations.
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 the number of read dtupal write queries running on theses tables.
Or do you want some configuration details? The memcache module, for example. I said before cache engines can be faster in both write and read operations. Cache backends with Drupal7 Now comes Drupal7. Cache tables are small and not drupaal used.
Some modules provides lock alternatives which are faster like the Redis module And of course some existing modules could help you doing that. They will love the APC cache backend.