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filter_logs_to_metrics: document field_value usage for counters #1584

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filter_logs_to_metrics: document field_value usage for counters #1584

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filter_logs_to_metrics: document field_value usage for counters
databus23 Mar 10, 2025
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Apply suggestions from code review
databus23 Mar 12, 2025
347ee6f
Merge branch 'master' into logs_to_metrics-pr-10055
esmerel Oct 21, 2025
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14 changes: 13 additions & 1 deletion pipeline/filters/log_to_metrics.md
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Original file line number Diff line number Diff line change
Expand Up @@ -107,6 +107,15 @@ pipeline:
metric_name count_all_dummy_messages
metric_description This metric counts dummy messages

[FILTER]
name log_to_metrics
match dummy.log*
tag test_metric
metric_mode counter
metric_name total_duration
metric_description This metric counts the total time spent across all messages
value_field duration

[OUTPUT]
name prometheus_exporter
match *
Expand Down Expand Up @@ -142,7 +151,10 @@ $ curl -s http://127.0.0.1:9999/metrics

# HELP log_metric_counter_count_all_dummy_messages This metric counts dummy messages
# TYPE log_metric_counter_count_all_dummy_messages counter
log_metric_counter_count_all_dummy_messages 49
log_metric_counter_count_all_dummy_messages 24
# HELP log_metric_counter_total_duration This metric counts the total time spend
# TYPE log_metric_counter_total_duration counter
log_metric_counter_total_duration 960
```

### Gauge
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