Duplicate Documents

Elastic Stack Beats
1

If there are communication problems, then in some cases the logs come 2 or 3 times, all the logs of one call are duplicated.

Functionbeat config:

functionbeat:
  provider:
    aws:
      deploy_bucket: functionbeat-deploy
      endpoint: s3.amazonaws.com
      functions:
      - description: lambda function for cloudwatch logs
        enabled: true
        name: elk-shipper
        triggers:
        - log_group_name: /aws/lambda/secure-downloads
        type: cloudwatch_logs
keystore:
  path: /tmp/functionbeat.keystore
output:
  logstash:
    hosts:
    - logstash.net:1999
    pipelining: 0
    ttl: 0
    worker: 1
path:
  config: /etc/functionbeat
  data: /tmp
  home: /etc/functionbeat
  logs: /tmp/logs
processors:
- add_fields:
    fields:
      app_name: lss
      component_type: aws
      hostname: -lambda
      location: aws
      log_format: json
      log_type: shipper
      log_signal: ASDFGH
    target: ""

AWS logs:

2022-01-25T10:15:14.519Z	ERROR	[publisher_pipeline_output]	pipeline/output.go:180	failed to publish events: write tcp 169.254.76.1:52578->1.1.1.1:1999: write: connection reset by peer
2022-01-25T10:15:14.519Z	INFO	[publisher_pipeline_output]	pipeline/output.go:143	Connecting to backoff(tcp://logstash.net:1999)

I tried to change ttl and pipelining, but it did not work.
Logstash logs are empty, no errors.
I will be glad for any help.

2

image
Each burst is a duplicate of the logs.

3

I increased the timeout in the lambda settings, now AWS does not restart lambda and duplicates do not appear.

4

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