I'm looking for a sustainable solution to fetch data every x seconds (let's say 20) and store it in a relational database using PHP. After doing some research I found a few options:
1) Cronjobs (with shell scripts)
See https://askubuntu.com/questions/800/how-to-run-scripts-every-5-seconds for more information. This basically comes down to run a shell script (looping/sleeping)
This doesn't feel right as I could not catch exceptions and/or race conditions might occur. Also, cronjobs itself are not made for this kind of tasks.
2) Web-worker (with queued jobs)
Laravel provides a queue worker that can process new jobs (asynchronously) as they are pushed onto the queue. I could push multiple (say a lot) of jobs to the queue at once which should processed every x seconds consecutively.
This sounds like a more robust solution as I could catch exceptions and make sure the worker is running (using observers). The downside; it's slower and it might be overengineered.
3) Web socket
I could use node.js to run a websocket client like socket.io and implement some kind of timing mechanism to store the data every x seconds.
This solution feels odd as I was taught that sockets are used to push data to clients (realtime), but I have never seen that they were used to insert data.
All help is appreciated.
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