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37 lines
1.3 KiB
Markdown
37 lines
1.3 KiB
Markdown
---
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title: Resource Usage
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summary: Manage Silverstripe CMS's memory footprint and CPU usage.
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icon: tachometer-alt
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---
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# Resource Usage
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Silverstripe CMS tries to keep its resource usage within the documented limits
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(see the [server requirements](../../getting_started/server_requirements)).
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These limits are defined through `memory_limit` and `max_execution_time` in the PHP configuration. They can be
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overwritten through `ini_set()`, unless PHP is running with the [Suhoshin Patches](http://www.hardened-php.net/)
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or in "[safe mode](http://php.net/manual/en/features.safe-mode.php)".
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[alert]
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Most shared hosting providers will have maximum values that can't be altered.
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[/alert]
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For certain tasks like synchronizing a large `assets/` folder with all file and folder entries in the database, more
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resources are required temporarily. In general, we recommend running resource intensive tasks through the
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[command line](../cli), where configuration defaults for these settings are higher or even unlimited.
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[info]
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Silverstripe CMS can request more resources through `Environment::increaseMemoryLimitTo()` and
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`Environment::increaseTimeLimitTo()` functions.
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[/info]
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```php
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use SilverStripe\Core\Environment;
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public function myBigFunction()
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{
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Environment::increaseTimeLimitTo(400);
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}
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```
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