Elasticsearch Timeout issue (Attempted to send a bulk request to elasticsearch)

Elastic Stack Elasticsearch
1

Hi guys,

We are using Elasticsearch and Logstash 6.8.2 and we are facing the below issue intermittent in the logstash logs.

[2020-04-05T11:33:06,492][ERROR][logstash.outputs.elasticsearch] Attempted to send a bulk request to elasticsearch' but Elasticsearch appears to be unreachable or down! {:error_message=>"Elasticsearch Unreachable: [https://logstash:xxxxxx@10.71.79.10:9200/][Manticore::SocketTimeout] Read timed out", :class=>"LogStash::Outputs::ElasticSearch::HttpClient::Pool::HostUnreachableError", :will_retry_in_seconds=>2}

[2020-04-04T19:10:29,425][ERROR][logstash.outputs.elasticsearch] Attempted to send a bulk request to elasticsearch' but Elasticsearch appears to be unreachable or down! {:error_message=>"Elasticsearch Unreachable: [https://logstash:xxxxxx@10.71.73.28:9200/][Manticore::SocketTimeout] Read timed out", :class=>"LogStash::Outputs::ElasticSearch::HttpClient::Pool::HostUnreachableError", :will_retry_in_seconds=>2}
[2020-04-04T19:10:29,937][ERROR][logstash.outputs.elasticsearch] Attempted to send a bulk request to elasticsearch' but Elasticsearch appears to be unreachable or down! {:error_message=>"Elasticsearch Unreachable: [https://logstash:xxxxxx@10.71.79.9:9200/][Manticore::SocketTimeout] Read timed out", :class=>"LogStash::Outputs::ElasticSearch::HttpClient::Pool::HostUnreachableError", :will_retry_in_seconds=>2}
[2020-04-04T19:14:32,944][ERROR][logstash.outputs.elasticsearch] Attempted to send a bulk request to elasticsearch' but Elasticsearch appears to be unreachable or down! {:error_message=>"Elasticsearch Unreachable: [https://logstash:xxxxxx@10.71.73.28:9200/][Manticore::SocketTimeout] Read timed out", :class=>"LogStash::Outputs::ElasticSearch::HttpClient::Pool::HostUnreachableError", :will_retry_in_seconds=>2}

Could you please explain the scenario in which conditions we can get this error messages Intermittently ?

2

Seems like your Elasticsearch service is not available.

Can you connect to https://10.71.79.10:9200/ or https://10.71.79.9:9200/ or https://10.71.73.28:9200/ using curl command or the browser?

3

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