# The circuit breaker has detected a slowdown or stall in the pipeline

**URL:** <https://discuss.elastic.co/t/the-circuit-breaker-has-detected-a-slowdown-or-stall-in-the-pipeline/41988>\
**Category:** Logstash\
**Created:** [February 17, 2016, 9:08am UTC](https://discuss.elastic.co/t/the-circuit-breaker-has-detected-a-slowdown-or-stall-in-the-pipeline/41988 "2016-02-17T09:08:54Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Augustin\_Chen](https://avatars.discourse-cdn.com/v4/letter/a/b5ac83/32.png) [@Augustin\_Chen](https://discuss.elastic.co/u/Augustin_Chen)\
**Post date:** [February 17, 2016, 9:08am UTC](https://discuss.elastic.co/t/the-circuit-breaker-has-detected-a-slowdown-or-stall-in-the-pipeline/41988/1 "2016-02-17T09:08:54Z")

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We migrate to filebeat: 1.1.1 + logstash: 2.1.1 + elasticsearch: 2.1.0, I keep seeing the following errors in the logstash logs.

{:timestamp=\>"2016-02-17T03:49:58.845000-0500", :message=\>"CircuitBreaker::Close", :name=\>"Beats input", :level=\>:warn}  
{:timestamp=\>"2016-02-17T03:50:16.579000-0500", :message=\>"CircuitBreaker::rescuing exceptions", :name=\>"Beats input", :exception=\>LogStash::SizedQueueTimeout::TimeoutError, :level=\>:warn}  
{:timestamp=\>"2016-02-17T03:50:16.581000-0500", :message=\>"Beats input: The circuit breaker has detected a slowdown or stall in the pipeline, the input is closing the current connection and rejecting new connection until the pipeline recover.", :exception=\>LogStash::CircuitBreaker::HalfOpenBreaker, :level=\>:warn}  
...skipping...  
{:timestamp=\>"2016-02-17T04:07:01.289000-0500", :message=\>"Beats input: the pipeline is blocked, temporary refusing new connection.", :level=\>:warn}  
{:timestamp=\>"2016-02-17T04:07:01.292000-0500", :message=\>"CircuitBreaker::Open", :name=\>"Beats input", :level=\>:warn}  
{:timestamp=\>"2016-02-17T04:07:01.298000-0500", :message=\>"Beats input: The circuit breaker has detected a slowdown or stall in the pipeline, the input is closing the current connection and rejecting new connection until the pipeline recover.", :exception=\>LogStash::CircuitBreaker::OpenBreaker, :level=\>:warn}  
{:timestamp=\>"2016-02-17T04:07:01.790000-0500", :message=\>"Beats input: the pipeline is blocked, temporary refusing new connection.", :level=\>:warn}  
{:timestamp=\>"2016-02-17T04:07:02.294000-0500", :message=\>"Beats input: the pipeline is blocked, temporary refusing new connection.", :level=\>:warn}  
{:timestamp=\>"2016-02-17T04:07:02.798000-0500", :message=\>"Beats input: the pipeline is blocked, temporary refusing new connection.", :level=\>:warn}  
{:timestamp=\>"2016-02-17T04:07:03.302000-0500", :message=\>"Beats input: the pipeline is blocked, temporary refusing new connection.", :level=\>:warn}  
{:timestamp=\>"2016-02-17T04:07:03.806000-0500", :message=\>"Beats input: the pipeline is blocked, temporary refusing new connection.", :level=\>:warn}  
{:timestamp=\>"2016-02-17T04:07:04.310000-0500", :message=\>"Beats input: the pipeline is blocked, temporary refusing new connection.", :level=\>:warn}  
{:timestamp=\>"2016-02-17T04:07:04.814000-0500", :message=\>"Beats input: the pipeline is blocked, temporary refusing new connection.", :level=\>:warn}  
{:timestamp=\>"2016-02-17T04:07:05.318000-0500", :message=\>"Beats input: the pipeline is blocked, temporary refusing new connection.", :level=\>:warn}

In ELK 1.x stack, the logstash output the events to Redis, I never see the above issues.

Do you have any ideas to walk around the above issues?

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**Author:** ![navox19](https://avatars.discourse-cdn.com/v4/letter/n/49beb7/32.png) [@navox19](https://discuss.elastic.co/u/navox19)\
**Post date:** [April 30, 2016, 11:27pm UTC](https://discuss.elastic.co/t/the-circuit-breaker-has-detected-a-slowdown-or-stall-in-the-pipeline/41988/2 "2016-04-30T23:27:21Z")

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any help in this error ?

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**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [July 6, 2017, 4:59am UTC](https://discuss.elastic.co/t/the-circuit-breaker-has-detected-a-slowdown-or-stall-in-the-pipeline/41988/3 "2017-07-06T04:59:50Z")

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