I found one of the servers was throwing up a 500 error quite regularly. I checked the logs and in /var/log/nginx/error.log I found the following errors:
socket() failed (24: Too many open files) while connecting to upstream, client
socket() failed (23: Too many open files in system) while connecting to upstream, client
Solution was to increase the number of worker connections and edit a few files to allow more open files on the file system.
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Disclaimer: Not a financial advisor, not financial advice. The content I create is to document my journey and for educational and entertainment purposes only. It is not under any circumstances investment advice. I am not an investment or trading professional and am learning myself while still making plenty of mistakes along the way. Any code published is experimental and not production ready to be used for financial transactions. Do your own research and do not play with funds you do not want to lose.
