class SemanticLogger::Appender::MongoDB

Default: SemanticLogger.application
Name of this application to appear in log messages.
application: [String]

Default: SemanticLogger.host
Name of this host to appear in log messages.
host: [String]

The Proc must return true or false.
Proc: Only include log messages where the supplied Proc returns true
regular expression. All other messages will be ignored.
RegExp: Only include log messages where the class name matches the supplied.
filter: [Regexp|Proc]

Default: Use the built-in formatter (See: #call)
the output from this appender
An instance of a class that implements #call, or a Proc to be used to format
formatter: [Object|Proc|Symbol]

Default: SemanticLogger.default_level
Override the log level for this appender.
level: [:trace | :debug | :info | :warn | :error | :fatal]

Default: no max limit
Maximum number of log entries that the capped collection will hold.
collection_max: [Integer]

Release: 4GB
Test: File
Dev: .5GB
Prod: 25GB (.5GB per day across 4 servers over 10 days)
Examples:
Default: 1 GB
The size of the MongoDB capped collection to create in bytes
collection_size: [Integer]

Default: 0
see: http://docs.mongodb.org/manual/reference/write-concern/
Write concern to use
write_concern: [Integer]

Default: semantic_logger
Name of the collection to store log data in
collection_name: [String]

mongodb://127.0.0.1:27017/test
Example:
Mongo connection string.
uri: [String]
Parameters:

Create a MongoDB Appender instance

def initialize(uri:,
               collection_name: "semantic_logger",
               write_concern: 0,
               collection_size: 1024**3,
               collection_max: nil,
               **args,
               &block)
  @client          = Mongo::Client.new(uri, logger: logger)
  @collection_name = collection_name
  @options         = {
    capped: true,
    size:   collection_size,
    write:  {w: write_concern}
  }
  @options[:max] = collection_max if collection_max
  reopen
  # Create the collection and necessary indexes
  create_indexes
  super(**args, &block)
end