A stress test of 2k concurrent clients is making Droplets unresponsive


We’re in the process of moving a website from an inadequate windows host to Digital Ocean.

The website is a blog that gets 2k hits a day. As a starting point we’ve chosen the CPU-Optimised 4GB/2 CPU $42/month.

We’ve been attempting stress tests with, and using a blank HTML page we get to 2000 concurrent clients. The Loader test finishes, but our Droplet becomes unresponsive, and unreachable.

The Graphs for Memory and CPU dont go over 50% used during the testing.

When we test with our PHP code, we can’t get above 100 concurrent clients.

Does anyone have any advice on starting points to debug our issue?

Thank you.

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