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Search is very slow for certain roles

The answer to your question about how to debug: you have to use a technique called “profiling”. By far the easiest PHP profiler to use is https://www.blackfire.io/. I’ve used it and I recommend it. ...
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How to find module that is updating my node after insert

You could implement hook_module_implements_alter to list all modules that implement a specific hook this way: function myModule_module_implements_alter(&$implementations, $hook) { if ($hook === '...
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1 vote

Enable error logging from settings.php

Please try the following: in the webroot, rename .htaccess to .htaccess.old -- Apache 2.4 has changed syntax in some directives that may be causing the error before PHP is even reached. Also check ...
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1 vote

Enable error logging from settings.php

Here's the official manual for Drupal 7: https://www.drupal.org/docs/7/creating-custom-modules/show-all-errors-while-developing At the end of your sites/default/settings.php, add the following lines: ...
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1 vote

How do I debug Drupal\Component\PhpStorage\FileStorage::createDirectory()?

The standard debugger for PHP is Xdebug. Install it and set a breakpoint at that line. If for some reason you cannot use Xdebug, \Drupal::logger('my_module')->notice($message) or error_log() the ...
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