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Roman Proskuryakov
21 lines
812 B
Markdown
21 lines
812 B
Markdown
Utilities Primitives for Substrate
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## Features
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### metered
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This feature changes the behaviour of the function `mpsc::tracing_unbounded`.
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With the disabled feature this function is an alias to `futures::channel::mpsc::unbounded`.
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However, when the feature is enabled it creates wrapper types to `UnboundedSender<T>`
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and `UnboundedReceiver<T>` to register every `send`/`received`/`dropped` action happened on
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the channel.
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Also this feature creates and registers a prometheus vector with name `unbounded_channel_len` and labels:
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| Label | Description |
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| ------------ | --------------------------------------------- |
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| entity | Name of channel passed to `tracing_unbounded` |
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| action | One of `send`/`received`/`dropped` |
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License: Apache-2.0
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