hgaong opened a new issue, #12067:
URL: https://github.com/apache/apisix/issues/12067
### Description
service
```
{
"id": "557101231575663294",
"create_time": 1741587810,
"update_time": 1742293721,
"name": "test-api",
"upstream": {
"nodes": [
{
"host": "172.31.19.1",
"port": 80,
"weight": 100
},
{
"host": "172.31.20.9",
"port": 80,
"weight": 100
}
],
"retries": 0,
"timeout": {
"connect": 30,
"send": 30,
"read": 30
},
"type": "roundrobin",
"checks": {
"active": {
"concurrency": 2,
"healthy": {
"http_statuses": [
200,
302,
301,
404
],
"interval": 1,
"successes": 2
},
"http_path": "/apisix/hearbeat",
"port": 80,
"timeout": 1,
"type": "http",
"unhealthy": {
"http_failures": 2,
"http_statuses": [
429,
500,
501,
502,
503,
504,
505
],
"interval": 1,
"tcp_failures": 2,
"timeouts": 3
}
}
},
"scheme": "http",
"pass_host": "pass",
"keepalive_pool": {
"idle_timeout": 60,
"requests": 1000,
"size": 640
}
},
"plugins": {
"ip-restriction": {
"_meta": {
"disable": true
},
"blacklist": [
"108.136.33.21"
]
},
"limit-req": {
"_meta": {
"disable": true
},
"burst": 0,
"key": "http_x_forwarded_for",
"key_type": "var",
"rate": 10,
"rejected_code": 429,
"rejected_msg": "ffffff"
},
"ua-restriction": {
"_meta": {
"disable": true
},
"bypass_missing": false,
"denylist": [
"curl"
]
}
}
}
```
Then I configured around 600 routes, each of which referenced this service.
The observed situation is that each node of the upstream service has about 20
heartbeat requests per second, which is inconsistent with the configured
interval of 1 second. why ?
### Environment
- APISIX version (run `apisix version`):3.11
- Operating system (run `uname -a`):
- OpenResty / Nginx version (run `openresty -V` or `nginx -V`):
- etcd version, if relevant (run `curl
http://127.0.0.1:9090/v1/server_info`):
- APISIX Dashboard version, if relevant:
- Plugin runner version, for issues related to plugin runners:
- LuaRocks version, for installation issues (run `luarocks --version`):
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