When a Magento 2 store is slow, PHP, Redis and Varnish are not always to blame. Individual slow database queries can also make certain pages or processes much slower than expected. Magento 2 includes a Query Log that you can…
Logging in Magento 2
You can write messages to Magento 2′s system.log using the following code:
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$this->_logger->info('... message ... '); |