jakubzieba opened a new issue, #14063:
URL: https://github.com/apache/apisix/issues/14063
### Current Behavior
When we configure the limit-count plugin with multiple rules and set the
sync_interval option, after the first synchronization with Redis, the remaining
request counter for the other rules will be set to the value of the first rule.
Let's assume we have a route defined like the one below:
```json
{
"name": "route",
"uri": "/route",
"upstream": {
"type": "roundrobin",
"nodes": {
"web1:80": 1
}
},
"plugins": {
"limit-count": {
"rejected_code": 429,
"policy": "redis",
"rejected_msg": "too many requests",
"redis_host": "redis",
"redis_port": 56379,
"redis_database": 1,
"sync_interval": 10,
"rules": [
{
"count": 30,
"time_window": 60,
"key": "${http_x_real_ip}_per_minute",
"header_prefix": "rule1"
},
{
"count": 500,
"time_window": 3600,
"key": "${http_x_real_ip}_per_hour",
"header_prefix": "rule2"
}
]
}
}
}
```
now, after the first request, the "Remaining" counters are correct.
<img width="832" height="187" alt="Image"
src="https://github.com/user-attachments/assets/b227b134-2ef3-44fa-b83d-15932c4f0120";
/>
After waiting 10 seconds (until the counter synchronization with Redis
completes), it is already incorrect because the 'Remaining' counter for rule2
becomes the same as for rule1.
<img width="937" height="170" alt="Image"
src="https://github.com/user-attachments/assets/d4dc3b4a-e24d-4c02-9550-1e62dcb08c82";
/>
It seems that after synchronizing the counters, the 'Remaining' value from
the first rule is incorrectly assigned to all subsequent rules.
When we disable the sync_interval option, everything works as expected, and
each rule has its correct 'Remaining' counter.
### Expected Behavior
Each rule should have the correct 'Remaining' counter value, regardless of
whether sync_interval is enabled or disabled.
### Error Logs
_No response_
### Steps to Reproduce
1. Ensure your APISIX instance is up and running.
2. Configure and create the route as specified in the Current Behavior
section.
3. Execute a request to http://localhost:9080/route and inspect the response
headers X-Rule1-Ratelimit-Remaining and X-Rule2-Ratelimit-Remaining
4. Wait for 10 seconds (corresponding to the configured sync_interval value).
5. Make the request again and verify that the X-Rule1-Ratelimit-Remaining
and X-Rule2-Ratelimit-Remaining header have same values.
### Environment
- APISIX version: 3.18.0
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