pg-yang commented on code in PR #12108:
URL: https://github.com/apache/skywalking/pull/12108#discussion_r1566876489
##########
oap-server/server-starter/src/main/resources/ui-initialized-templates/apisix/apisix-service.json:
##########
@@ -424,23 +424,23 @@
],
"expressionsConfig": [
{
- "unit": "req / s",
+ "unit": "req / s (per node)",
Review Comment:
Oops, they're different, I carefully consider these two expressions.
`meter_apisix_sv_http_status_matched{code='503'}` means querying all metrics
with 503 like the data below:
```
time-1:
{node=192.169.0.1,code=503} 12
{node=192.169.0.2,code=503} 13
time-2:
{node=192.169.0.1,code=503} 14
{node=192.169.0.2,code=503} 15
time-3:
{node=192.169.0.1,code=503} 16
{node=192.169.0.2,code=503} 17
```
`aggregate_labels(meter_apisix_sv_http_status_matched{code='503'},sum(code))`
will get
```
time-1:
{code=503} 12+13
time-2:
{code=503} 14+15
time-3:
{code=503} 16+17
```
`avg(aggregate_labels(meter_apisix_sv_http_status_matched{code='503'},sum(code)))`
will get
```
# A service with two nodes sent data for three times
(12+13+14+15+16+17)/3
```
`avg(meter_apisix_sv_http_status_matched{code='503'})` means
```
# The result means the average times of 503 occurred from all nodes in one
second,
(12+13+14+15+16+17)/6
```
Thanks for your help, I will change the expression soon.
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