Improving Performance

Improving Performance

• Prefer python version 3.6.5+

• Replace default sqlite database with postgresql

• Use headless version of wkhtmltopdf

• Use celery for pdf/png conversion

• Use aiohttp backend for Vinanti for fetching web-pages asynchronously

• When using gunicorn, adjust workers depending on number of cpu cores of the server.

  According to gunicorn docs, preferred number of workers = 2n+1, where n = number of cores

• Minimum 2GB RAM