why the promethues metrics apisix_shared_dict_free_space_bytes{name="worker-events"} 0

[kellyseeme]

Description

in apisix running pod,curl the metrics , the result is apisix_shared_dict_free_space_bytes{name="worker-events"} 0 ,why this happen and have anything can i do? in apisix config.yaml setting worker-events: 10m, and in lua_shared_dict which memory should i increase the memory size?

Environment

• APISIX version (run apisix version):2.15.3
• Operating system (run uname -a):linux
• 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):

[shreemaan-abhishek]

why this happen and have anything can i do?

This is the first time I have seen someone report such incident. Does this situation keep occuring? Can it be reproduced?

in apisix config.yaml setting worker-events: 10m

yes you can increase this size.

[kellyseeme]

and maybe this methis is apisix_shared_dict_free_space_bytes{name="prometheus-metrics"} 0 too; reproduced: 1 the apisix pod running 250days; 2 the upstream use consul,the metrics label change everyday.