Filebeat in endless loop

Elastic Stack Beats
1

I have filebeat reading s3 logs but it sometimes get stuck in an endless loop and sometimes it just hangs and (rarely) goes as expected.

filebeat.prospectors:
- type: log
  enabled: true
  paths:
    - /home/linux/logs/s3-dev-logs/*
    - /home/linux/logs/cloudfront-dev-logs/*.gz
 close_timeout: 5m
 output.logstash:
   hosts: ["localhost:5044"]

What I mean by endless loop is that Filebeat just keeps re-reading the log files

All (Filebeat, Logstash and Elasticsearch) are 6.3.2.

The command that I run filebeat is:
./filebeat -e -once -c filebeat.yml -d "publish"

and the os is rhls7.4

2

Are you trying to read gzip logs? AFAIK Filebeat does not handle this. You would need to extract them first. Probably you should be setting exclude_files to skip .gz.

3

Even when I comment the .gz part out, it gets stuck in an endless loop most of the time. As an aside, the s3-dev-logs are ASCII text, if that makes any difference..
Also, how can I kill filebeat, as control+c doesn't work and it just stays alive and I have to close the terminal session to kill it.

4

If you use -once then you should also set close_eof: true in order for the harvester to exit. Once all havesters exit then the Beat should stop. See the description of the -once flag in the docs.

In order for the harvester to stop the data also needs to be successfully delivered to the output.

5

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