First, read the OAL introduction to learn the OAL script grammar and the source concept.
From 8.0.0, you may find the OAL script at /config/oal/*.oal
of the SkyWalking dist.
You could change it, such as by adding filter conditions or new metrics. Then, reboot the OAP server, and it will come into effect.
All metrics named in this script could be used in alarm and UI query.
In default, SkyWalking only treats the operation name of entry span as the endpoint, which are used in the OAL engine.
Users could declare their custom endpoint names by adding the logic endpoint
tag manually through agent's plugins or manual APIs.
The logic endpoint is a concept that doesn't represent a real RPC call, but requires the statistic.
The value of x-le
should be in JSON format. There are two options:
{
"name": "GraphQL-service",
"latency": 100,
"status": true
}
{
"logic-span": true
}
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