FluentLoggerStatistics

Usage

Middleware settings:

Rails.configuration.middleware.use FluentLoggerStatistics::Middleware,
  '/endpoint/',
  {
    resource_name1: fluent_logger1, # instance of Fluent::Logger::FluentLogger
    resource_name2: fluent_logger2,
    ...
  }

After rails boots, then

$ curl http://rails-host/endpoint | jq .
{
  "resource_name1": {
    "buffer_bytesize": 0,
    "buffer_limit": 8388608,
    "buffer_usage_rate": 0
  },
  "resource_name2": {
    "buffer_bytesize": 236,
    "buffer_limit": 8388608,
    "buffer_usage_rate": 2.8133392333984375e-05
  }
}