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 boot, then

$ curl http://rails-host/endpoint/resource_name1 # no buffer used
{"buffer_bytesize":0,"buffer_limit":8388608,"buffer_usage_rate":0.0}

$ curl http://rails-host/endpoint/resource_name2 # buffered
{"buffer_bytesize":236,"buffer_limit":8388608,"buffer_usage_rate":2.8133392333984375e-05}