1321822099 opened a new issue, #10559:
URL: https://github.com/apache/apisix/issues/10559
### Current Behavior
Use the officially provided 3.0.0-centos image to deploy the k8s
environment. After the environment is deployed, we perform a stress test on a
certain route and find that the memory keeps increasing.
### Expected Behavior
The memory should be in a stable state
### Error Logs
_No response_
### Steps to Reproduce
Environment deployment process:
1. Deploy in the k8s environment through the officially provided
3.0.0-centos image, using etcd storage mode.
2. Create a new service, install the plug-in proxy-rewrite:regex_uri to
forward the request, and configure an upstream for this service.
3. Deploy a web service (no restrictions on language or framework). The
service provides external routing service GET:/api/project/hello. A simple
return is required after the api. Resp body and resp headers are required.
Specific service configuration:
{
"name": "project-api",
"upstream": {
"nodes": [
{
"host": "project-api-service", //an independent web service
"weight": 1
}
],
"type": "roundrobin",
"hash_on": "vars",
"scheme": "http",
"pass_host": "pass"
},
"plugins": {
"proxy-rewrite": {
"regex_uri": [
"^/api/project/(.*)",
"/$1"
],
"use_real_request_uri_unsafe": false
}
}
}
4. Create a route and point the route to the service created above
{
"uri": "/api/project/*",
"name": "project-api default rules",
"desc": "Default rules, please do not modify them.",
"service_id": "1",
"status": 1
}
Problem recurrence:
1. To perform a stress test on a certain /api/project/hello, the query
parameter is required.
2. Use pmap to check the memory usage of the luajit process, and find that
RSS has been growing, and after a period of time, there is no sign of decline.
3. After updating the apisix version to 3.3.0-centos, the problem is still
not solved.
4. Finally, I used gdb to debug the process and found that there was an
unmapped namespace with memory growth.
### Environment
- APISIX version (run `apisix version`): apache/apisix:3.0.0-centos
- Operating system (run `uname -a`): centos
- OpenResty / Nginx version (run `openresty -V` or `nginx -V`):nginx
version: openresty/1.21.4.1
- etcd version, if relevant (run `curl
http://127.0.0.1:9090/v1/server_info`):docker.io/bitnami/etcd:3.5.1-debian-10-r31
- 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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