Filebeat blocked after bulk file insertion

Elastic Stack Beats
1

Hi all,

I am running an ELK platform where Filebeat is installed as agent in a container, monitoring a file written by Nginx.

This nginx gets close to 30mln of requests at day. The ingestion of access logs is performing really well and logs are sent in near real time to logstash.

By the way, sometimes (once a day at least), our application stops serving requests for a few minutes (5-10 minutes) and close to 200-250k error logs are produced in bulk.

Here come the issue, when error logs are written into the error.log file, which is also monitored by nginx, filebeat hangs and stops sending both access and error logs until we restart it.

Is there some advice on how to tune filebeat configuration to support the parsing of files with such a usage pattern? It can be good also to have error logs ingested with a small delay.

Many thanks,

Marco

2

Hi @Marco_Lagalla ,

do you have any Filebeat's logs to share? There might a good indicator inside there about the reason of the issue you observe.

C.

3

Hi,

yes, I have just retrieved the logs just now, when the issue with filebeat is happened:

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4

I would try to tune Configure the Elasticsearch output | Filebeat Reference [8.4] | Elastic . Also try to run Filbeat with debug logs enabled so as to see what actually happens when Filebeat seems hanged.

5

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