How to install zend opcache in a directadmin server. To optimize and accelerate website performance you need to improve the php performance. Memcached vs redis vs varnish vs apc vs opcache vs xcache cache. Apc and opcache work at the web server level, so joomla itself does not require any special configuration to take advantage of the performance benefits. Php 7 accelerates many dynamic websites by over 100% compared to php 5. I think we all were facedare facing the same problem while browsing high traffic websites most times. Apc is going to be included in php 6, and id guess it has been chosen for good reason. The alternative php cache apc and opcache provide opcode caching. Were provisioning a new server and are deciding between php7 opcache and php5.
It is now time to update this benchmark and include xcache as well. Apc is a open source framework that optimizes php intermediate code and caches data and compiled code from the php bytecode compiler in shared memory. Its fairly easy to install and certainly speeds things. Xcache, opcache, apc are php extensions which allow to cache the php process to not have to reprocess a file each time. For an application consisting of a large source code base such as drupal, a 3x increase in page generation speed is possible as a. For this purpose, you can use opcode cachers such as eaccelerator, apc, memcached, xcache, etc. Alternative php cache apc alternative php cache is a free and open php license. Xcache allows you to cache var data user cache which is not supported by zend opcache. In contrast to other web accelerators, such as squid, which began life as a clientside cache, or. Im a bit confused and id like to know the difference between the apc, apcu, and opcache.
In most cases php performance can slow down the performance of websites. Feb 23, 2017 ive tried eaccelerator, apc and xcache on thread safe php 5. It is tested on gnulinux and freebsd and supported under windows, for threadsafe and nonthreadsafe versions of php. Apc and opcache work at the web server level, so joomla itself does not require any special configuration to take advantage of. Today, i ran a few quick benchmarks capturing the 2nd run data of tests. But before you do this, there are a few things you have to be aware of.
Hey guys, i know this may be discussed before, but the situation is a bit different now. Using apcbackend, wincachebackend, xcachebackend as caching backend in. If you use apc key cache, then there will be some programming involved to migrate to some other key caching solution like memcached. Alternative php cache or apc is a free, open source framework. A few months ago one of our managed dedicated server clients asked me about caching for his busy wordpress site. This is how all three opcode caches implement the hooking of interned strings. Alternative php cache apc alternative php cache is a free and open php license framework that caches the output of the php bytecode compiler in shared memory, thus reducing parsing and disk io overhead for later requests. My workaround in php5 was to uninstall opcache and use xcache, but as.
Apc, opcache, memcached, xcache, varnish and wp super. Not only does this provide greater overall product stability, it is officially supported by the php developers. Ive tried eaccelerator, apc and xcache on thread safe php 5. Now that php comes with its own opcache, you should be using that one. Da xcache and apc beide auch ein bytecode cache enthalten, wir. Phpfpm experimenting with apcu data only caching with php. Redis is often use for object caching, because its a kind of optimized mysql and you can use it to process the long queries instead of mysql. To support this, the interned strings have to be hooked at module load time. From my previous post i wrote about how to install apc and xcache for caching system for php 5. Opcache vs xcache, pros and cons of the opcache and xcache. We wanted to determine how the server performs under plain setup, as well as with the help of bytecode caching with zend opcache, along the userland apcu and. Additionally, the official release notes for wincache version 1. This being my preferred caching stack i soon set him straight and advised him how he could easily take advantage of both.
Opcache used to be owned by zend and alternative php cache apc was a free, open source extension for php. The default opcache in php 7 is essentially an inherent zend extension, making any other opcache method rather unnecessary and that is the simple way of putting it. In the meantime, there are other ways to achieve similar goals. Jan 20, 2012 in the second run though both xcache and apc have the same transaction rate of 1. It works by redirecting visitors to static pages whenever possible and only drawing on. It works by redirecting visitors to static pages whenever possible and only drawing on the server itself if there is a need for an active process. The last part however only stands for older php versions such as on centos official repo. Apc great if you want an easy cache that will always work with php, no fuss. The zend opcache provides faster php execution through opcode caching and optimization. Apc, opcache, memcached, xcache, varnish and wp super cache. The xcache simple way to install xcache from source code the xcache is useful when your websites have page load time issue. Install xcache to accelerate and optimize php performance. Xcache is a fast, stable php opcode cacher that has been tested and is now running on production servers under high load.
Apcu ist schneller als verteilte losungen wie memcached xcache. Sometime ago, we conducted a benchmark of drupal using apc vs eaccelerator where the latter was found to be a better performer than the former in terms of speed and memory consumption. To drastically improve performance, we highly recommend using an opcode cache also known as a bytecode cache such as apc or wincache. This relatively new opcode caching software has been developed by moo, one of the developers of ligd. Now i want to know if we can use apcxcache additional to redis cache to improve the. Hello i m a bit confused and i need ur personal opinion please what should i use. Dec 30, 2016 opcache vs xcache websites some page load very slower, made with php and trying to make it faster. Opcache is recommended in almost all app and server production environments as a method of caching and handling php tasks. He said he had narrowed it down to opcache vs memcached and which did i recommend. Memcached vs redis vs varnish vs apc vs opcache vs xcache. May 02, 20 in most cases php performance can slow down the performance of websites.
Since apc is older, at the moment you likely want opcache as well as some data store, not necessarily apcu although it is perfectly fine choice. This allows a php application to store data in shared memory. Apc vs eaccelerator vs xcache ask question asked 7 years, 11 months ago. Mar 15, 20 the new opcache extension can be seen as substitute for the venerable apc cache, the maintenance of which had become an issue. Opcache opcache is a special caching mechanism that stores. Zend opcache relies on shared memory to store precompiled script bytecode. Because opcache is the only opcode cache bundled in with php 5.
The opcache extension is distributed as part of php 5. Please update this article to reflect recent events or newly available. Install and configure php opcache on your web server. It shows that xcache handles caching better than apc. While apc provides some methods to do this, zend opcache does not however this has recently been added to zend opcache and will be available in the next pecl release and included with php 5. We all know that enabling php opcache provides massive performances gains see. If your software do not use apc key cache, but only opcache, then upgrade to zend opcache should just work.
It is available also for older stable php releases from pecl under the original name zendopcache. Unfortunately, at this time there isnt a great way to prime the zend opcache. Im looking for comparative results between the two, but cant find any anywhere. When enabled, it dramatically increases the performance of websites that utilize php. There is no need for apc or any of the similar sort of bytecode caching extensions like xcache as of php 5. Integrating user defined streams is not realizable that way. Using apc or opcache with joomla when apc or opcache is installed on your server, no additional configuration is required on your part. We run a few chunky ecommerce sites and want the best possible performance. Apc, which was an opcache used with php prior to 5. Phpfpm experimenting with apcu data only caching with. Prefer zend opcache over xcache if you just want to use opcode cache, its faster than xcache s a little.
The new opcache extension can be seen as substitute for the venerable apc cache, the maintenance of which had become an issue. My workaround in php5 was to uninstall opcache and use xcache, but as xcache is not available anymore with php7. Opcache vs xcache websites some page load very slower, made with php and trying to make it faster. Browse other questions tagged cache modfcgid alternative phpcache php xcache or ask your own question. There are many popular opcode caches like eaccelerator, xcache, apc, etc. By the way, you are using w3tc, implying that you are implicitly asking about a wp instance. Opcache vs apcu vs apc vs xcache forum kunena to speak. Since i dont have enough machine to do the test, im using the bechmark test result from which. Xcache vs apc at a apache2mysqlphp already using memcache. Download my free books, and check out my upcoming fullstack javascript bootcamp. Opcache vs opcache w performance tweaks last updated april, 2020 published october 3, 2017 by hayden james, in blog linux.
Deskpro is a large php application with hundreds of thousands of lines of php code in hundreds of source files. In the second run though both xcache and apc have the same transaction rate of 1. Alternative php cache is a free and open php license. Phpexpress by nusphere can be downloaded and distributed for free. From opcache improves php performance by storing precompiled script bytecode in shared memory, thereby removing the need for php to load and parse scripts on each request. Xcache is a fast, stable php opcode cacher that has been tested and is now. A few weeks ago i wrote a short article which highlighted gui solutions for monitoring and controlling php opcache. Xcache was made by the developers of ligd, benchmarks show it performs similiarly to eaccelerator, and faster than apc. This is a clear indication that the developers of wincache agree. Oct 19, 2016 xcache, opcache, apc are php extensions which allow to cache the php process to not have to reprocess a file each time. The differences between opcache and apc caches opcache, apc as well as xcache are all opcode caching systems. Opcache or xcache which one give me more good faster pages and ease of code also. By caching the compiled operation codes opcodes of php scripts, apc and opcache enable sites to serve page content significantly faster.
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