liangbeirong-byron opened a new issue, #13475:
URL: https://github.com/apache/apisix/issues/13475
### Current Behavior
# I set the "prometheus-cache" metric to 1024m
```
luaSharedDicts:
- name: prometheus-metrics
size: 1024m
- name: prometheus-cache
size: 1024m
<img width="1951" height="203" alt="Image"
src="https://github.com/user-attachments/assets/c919b7bb-1e77-47d3-be53-66275ace12f0";
/>
```
# Querying the "prometheus-cache" metric shows that it is still 10m
```
<img width="3185" height="774" alt="Image"
src="https://github.com/user-attachments/assets/6a90f36f-b5c2-43cb-9c16-87e917d28184";
/>
```
### Expected Behavior
_No response_
### Error Logs
_No response_
### Steps to Reproduce
helm list
NAME NAMESPACE REVISION UPDATED
STATUS CHART APP VERSION
apisix apisix 6 2026-05-26 07:54:39.235299091 +0000
UTC deployed apisix-2.14.0 3.16.0
### Environment
- APISIX version (run `apisix version`): 3.16.0
- Operating system (run `uname -a`): SMP PREEMPT_DYNAMIC Debian 6.1.170-3
(2026-05-08) x86_64 x86_64 x86_64 GNU/Linux
- OpenResty / Nginx version (run `openresty -V` or `nginx -V`): nginx
version: openresty/1.27.1.2
- etcd version, if relevant (run `curl
http://127.0.0.1:9090/v1/server_info`): 3.5.29
- APISIX Dashboard version, if relevant:
- Plugin runner version, for issues related to plugin runners:
prometheus-cache
- LuaRocks version, for installation issues (run `luarocks --version`):
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