Add prometheus_text_format:format_into/3
#194
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This can be used to stream the formatted output, avoiding the buffering of `ram_file` in `format/1`. For example using this library with Cowboy, you could use `cowboy_req:stream_body/3` with the iodata passed to the formatting callback in order to avoid buffering.
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I folded this into #196 since the changes overlap |
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This can be used to stream the formatted output, avoiding the buffering of
ram_fileinformat/1. For example using this library with Cowboy, you could usecowboy_req:stream_body/3with the iodata passed to the formatting callback in order to avoid buffering.Also see rabbitmq/rabbitmq-server#14885, rabbitmq/rabbitmq-server#14865
WIP as I'd like to gather some metrics on memory usage. Also this should probably be added to
prometheus_protobuf_formatfor consistency.