Logstash Mixing Throttled and Non-Throttled inputs

Elastic Stack Logstash
3

Logstash exceptions:

{:timestamp=>"2015-07-20T18:48:43.612000+0000", :message=>"CircuitBreaker::Open", :name=>"Lumberjack input", :level=>:warn}
{:timestamp=>"2015-07-20T18:48:43.613000+0000", :message=>"Exception in lumberjack input thread", :exception=>#<LogStash::CircuitBreaker::OpenBreaker: for Lumberjack input>, :level=>:error}
{:timestamp=>"2015-07-20T18:48:43.666000+0000", :message=>"CircuitBreaker::rescuing exceptions", :name=>"Lumberjack input", :exception=>LogStash::SizedQueueTimeout::TimeoutError, :level=>:warn}
{:timestamp=>"2015-07-20T18:48:43.667000+0000", :message=>"CircuitBreaker::Open", :name=>"Lumberjack input", :level=>:warn}
{:timestamp=>"2015-07-20T18:48:43.668000+0000", :message=>"Exception in lumberjack input thread", :exception=>#<LogStash::CircuitBreaker::OpenBreaker: for Lumberjack input>, :level=>:error}
{:timestamp=>"2015-07-20T18:48:43.729000+0000", :message=>"Lumberjack input: the pipeline is blocked, temporary refusing new connection.", :level=>:warn}
{:timestamp=>"2015-07-20T18:48:44.229000+0000", :message=>"Lumberjack input: the pipeline is blocked, temporary refusing new connection.", :level=>:warn}
{:timestamp=>"2015-07-20T18:48:44.730000+0000", :message=>"Lumberjack input: the pipeline is blocked, temporary refusing new connection.", :level=>:warn}
{:timestamp=>"2015-07-20T18:48:45.231000+0000", :message=>"Lumberjack input: the pipeline is blocked, temporary refusing new connection.", :level=>:warn}
{:timestamp=>"2015-07-20T18:48:45.251000+0000", :message=>"CircuitBreaker::rescuing exceptions", :name=>"Lumberjack input", :exception=>LogStash::SizedQueueTimeout::TimeoutError, :level=>:warn}