Product import fails or times out with large CSV files.
Large imports hit PHP execution time limits. Solutions: (1) Increase max_execution_time in php.ini to 300 or higher. (2) Increase memory_limit to 512M or higher. (3) Split your CSV into smaller batches (1000-2000 products each). (4) Run the import during low-traffic hours. (5) For very large imports (50,000+ products), consider using a CLI import script instead of the back-office import — it does not have the web server timeout limitations.
Learn more: PrestaShop performance guide.
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