carbonserver: introduce new api /metrics/list_query #435
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deniszh
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Nov 15, 2021
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@bom-d-van : LGTM, Deepsorce complaint about "Control-coupled functions detected", not sure if fix needed, though. |
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Thanks Denis, I have added |
The api call allows us to query metrics under a namespace query. Unlike /metrics/find, it would
traverse down the matched namespaces and returns all the metrics within them.
It is created to enable management tools to check how many metrics are within matched namespaces,
how big are they physically or logically.
Currently only json payload is supported. I am postponing adding protobuf support as I am
not sure how far the api could go.
A few usage examples:
/metrics/list_query/?format=json&target=sys.app.*&limit=1024 (list 1024 metrics under namespace `sys.app`)
/metrics/list_query/?format=json&target=sys.app.* (by default, limit is 65536)
/metrics/list_query/?format=json&target=sys.app.*&stats_only=true (returns stats info only)
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grzkv
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Nov 30, 2021
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The api call allows us to query metrics under a namespace query. Unlike /metrics/find, it would
traverse down the matched namespaces and returns all the metrics within them.
It is created to enable management tools to check how many metrics are within matched namespaces,
how big are they physically or logically, etc.
Currently only json payload is supported. I am postponing adding protobuf support as I am
not sure how far the api could go.
A few usage examples: