fluent/fluentd

Buffer size metrics showing negative values

Aberta

#5.303 aberto em 24 de set. de 2020

 (3 comentários) (0 reação) (0 responsável)Ruby (1.392 forks)batch import
bughelp wanted

Métricas do repositório

Stars
 (13.529 estrelas)
Métricas de merge de PR
 (Mesclagem média 9h 42m) (30 fundiu PRs em 30d)

Description

Details

I have Fluentd set up to forward logs to Kafka. In some of the Prometheus metrics for the buffers of those Kafka output plugins, I'm seeing negative values. Specifically, I'm seeing negative values for the following metrics:

  • fluentd_output_status_buffer_total_bytes
  • fluentd_output_status_buffer_stage_byte_size

Eg.

fluentd_output_status_buffer_total_bytes{worker_id="3",plugin_id="kafka_output",type="kafka2"} -7897834.0
fluentd_output_status_buffer_stage_byte_size{worker_id="3",plugin_id="kafka_output",type="kafka2"} -7897834.0

This appears to be the same issue as fluent/fluent-plugin-prometheus#55, open since 2018.

Prometheus Config

<source>
  @type prometheus
  port 24240
  metrics_path /metrics
  aggregated_metrics_path /aggregated_metrics
</source>

<source>
  @type prometheus_output_monitor
</source>

Env Info

  • Fluentd: 1.11.2
  • fluent-plugin-prometheus: 1.8.2
  • fluent-plugin-prometheus_pushgateway: 0.0.2
  • fluent-plugin-kafka: 0.14.1
  • Note that Fluentd has multi-process workers enabled

Guia do colaborador