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How to set nginx current limit

2025-04-05 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Development >

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This article mainly introduces "how to set nginx current limit". In daily operation, I believe many people have doubts about how to set nginx current limit. The editor consulted all kinds of materials and sorted out simple and easy-to-use operation methods. I hope it will be helpful for you to answer the doubt of "how to set nginx current limit"! Next, please follow the editor to study!

1. Current-limiting nginx setting

Nginx current limiting use module upstream

Placed in http module # current limit concurrency

Upstream node {server 127.0.0.1:8080 max_conns=1;}

# if the request exceeds, 502 status code will be returned

Placed in the server module

# Test address. The py path of the access server will be forwarded to port 8080 of this machine.

Location / py {proxy_pass http://node/;}

# error redirect to degraded interface

Error_page 502 503 https://fund/b.html;

Note: if one is missing, the request will be forwarded to the / py path of 8080.

Proxy_pass http://node

Prepare the test environment

Open port 8080 and use web.py to open a simple port

Install web.py

Pip install web.py==0.40-dev1

Write website script webtest.py

Import weburls = ('/', 'index') class index: def GET (self): return "Hello, world!" if _ _ name__ = = "_ _ main__": app = web.application (urls, globals () app.run ()

Run script startup port python webtest.py 0.0.0.0 8080 launch port 8080 to allow any IP access

Third, test the current limit configuration

Testing with jmeter

1. Set the current limit to the number of concurrent connections 1

Request

Result

Concurrent requests 5, sent 100 times, a total of 500 requests, successful 367, failed 133

Concurrent request 10. 1000 requests were sent, with 566 successes and 434 failures

Concurrent request 20. A total of 2000 requests were sent, with success 848 and failure 1152

At this point, the study on "how to set nginx current limit" is over. I hope to be able to solve your doubts. The collocation of theory and practice can better help you learn, go and try it! If you want to continue to learn more related knowledge, please continue to follow the website, the editor will continue to work hard to bring you more practical articles!

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