vortegatorres commented on issue #2708:
URL:
https://github.com/apache/apisix-ingress-controller/issues/2708#issuecomment-3852697800
> Using health check ups can alleviate this issue.
I will try this then.
> I think you can solve this problem first and then continue to observe.
I applied the fix defined in that issue, and the number of errors dropped
drastically, but still it see few of these errors:
```
2026-02-05 11:29:27.240 error 2026-02-05T10:29:27.240Z ERROR
provider apisix/provider.go:282 failed to sync {"error": "failed to
sync 1 configs: GatewayProxy/<REDACTED>/apisix-config"}
2026-02-05 11:29:27.238 error 2026-02-05T10:29:27.238Z ERROR
provider.client client/client.go:210 failed to sync resources
{"name": "GatewayProxy/<REDACTED>/apisix-config", "error": "ADC execution
errors: [ADC execution error for GatewayProxy/<REDACTED>/apisix-config:
[ServerAddr:
http://<SERVER_1>:9180,http://<SERVER_2>:9180,http://<SERVER_3>:9180,http://<SERVER_4>:9180,http://<SERVER_5>:9180,
Err: connect ECONNREFUSED <SERVER_5>:9180]]"}
2026-02-05 11:29:27.238 error 2026-02-05T10:29:27.238Z ERROR
provider.client client/client.go:269 failed to execute adc command
{"config":
{"name":"GatewayProxy/<REDACTED>/apisix-config","serverAddrs":["http://<SERVER_1>:9180","http://<SERVER_2>:9180","http://<SERVER_3>:9180","http://<SERVER_4>:9180","http://<SERVER_5>:9180"],"tlsVerify":false},
"error": "ADC execution error for GatewayProxy/<REDACTED>/apisix-config:
[ServerAddr:
http://<SERVER_1>:9180,http://<SERVER_2>:9180,http://<SERVER_3>:9180,http://<SERVER_4>:9180,http://<SERVER_5>:9180,
Err: connect ECONNREFUSED <SERVER_5>:9180]"}
2026-02-05 11:29:27.238 error 2026-02-05T10:29:27.238Z ERROR
provider.executor client/executor.go:142 failed to run http sync for
server {"server":
"http://<SERVER_1>:9180,http://<SERVER_2>:9180,http://<SERVER_3>:9180,http://<SERVER_4>:9180,http://<SERVER_5>:9180",
"error": "ServerAddr:
http://<SERVER_1>:9180,http://<SERVER_2>:9180,http://<SERVER_3>:9180,http://<SERVER_4>:9180,http://<SERVER_5>:9180,
Err: connect ECONNREFUSED <SERVER_5>:9180"}
2026-02-05 11:29:27.238 error 2026-02-05T10:29:27.237Z ERROR
provider.executor client/executor.go:328 ADC Server sync failed
{"result":
{"status":"partial_failure","total_resources":5,"success_count":4,"failed_count":1,"success":[{"event":{"resourceType":"","type":"","resourceId":"","resourceName":""},"failed_at":"0001-01-01T00:00:00Z","synced_at":"2026-02-05T10:29:23Z","response":{"status":0,"headers":null}},{"event":{"resourceType":"","type":"","resourceId":"","resourceName":""},"failed_at":"0001-01-01T00:00:00Z","synced_at":"2026-02-05T10:29:23Z","response":{"status":0,"headers":null}},{"event":{"resourceType":"","type":"","resourceId":"","resourceName":""},"failed_at":"0001-01-01T00:00:00Z","synced_at":"2026-02-05T10:29:23Z","response":{"status":0,"headers":null}},{"event":{"resourceType":"","type":"","resourceId":"","resourceName":""},"failed_at":"0001-01-01T00:00:00Z","synced_at":"2026-02-05T10:29:23Z","response":{"status":0,"headers":null}}],"failed":[{"event":{"resourceTyp
e":"","type":"","resourceId":"","resourceName":""},"failed_at":"2026-02-05T10:29:27.237Z","synced_at":"0001-01-01T00:00:00Z","reason":"connect
ECONNREFUSED <SERVER_5>:9180","response":{"status":0,"headers":null}}]},
"error": "ADC Server sync failed: connect ECONNREFUSED <SERVER_5>:9180"}
```
> How many APISIX Pods are running?
Between 4 and 15.
> Are there any CPU or memory limits configured for APISIX or
apisix-ingress-controller?
> Have you observed the CPU and memory usage of both APISIX and
apisix-ingress-controller around the time when the issue occurs?
Yes, we have limits, but during the incidents, the CPU and memory usages
were very low.
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