8000 Selectors for get_metrics · Issue #25 · metricq/metricq · GitHub
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Selectors for get_metrics #25

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tilsche opened this issue Apr 5, 2019 · 1 comment
Open
7 tasks

Selectors for get_metrics #25

tilsche opened this issue Apr 5, 2019 · 1 comment

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@tilsche
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tilsche commented Apr 5, 2019 •
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The current use of regex for selector can be confusing for clients, particularly when a metric name is a prefix of another one.

Define a simple selector syntax with wildcards that is converted to a regex in the manager - or if no wildcards are included just query the name itself.

Different kinds of selectors (full regex, simple selector, name only) could either use different optional parameters, or one parameter and a "selector type".

Maybe use the RabbitMQ syntax?

  • Coherent selector concept
  • Definition of RPC
  • Implementation in manager
  • Implement C++ interface
  • Implement Python interface
  • Adapt grafana endpoint
  • Adapt Score-P plugin
@tilsche
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tilsche commented May 29, 2019

As an intermediate step, the selector can now be a list of string which are matched exactly. So in order to get metadata for one specific metric, you can pass a list with a single entry being the name.

@phijor phijor self-assigned this Jun 5, 2020
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