# Metricbeat fail safe/over function on output

**URL:** https://discuss.elastic.co/t/metricbeat-fail-safe-over-function-on-output/142466
**Category:** Beats
**Tags:** metricbeat
**Created:** [August 1, 2018, 5:53am UTC](https://discuss.elastic.co/t/metricbeat-fail-safe-over-function-on-output/142466 "2018-08-01T05:53:26Z")
**Posts on this page:** 1
**Showing post:** 8

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### Author: ![jogoinar10](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/jogoinar10/32/20068_2.png) [@jogoinar10](https://discuss.elastic.co/u/jogoinar10)
#### Post date: [August 2, 2018, 6:44am UTC](https://discuss.elastic.co/t/metricbeat-fail-safe-over-function-on-output/142466/8 "2018-08-02T06:44:07Z")

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Just to confirm,

it the config is valid?

```
queue.spool:
  file:
    path: "${path.data}/spool.dat"
    size: 300GiB
    page_size: 16KiB
  write:
    buffer_size: 10MiB
    flush.timeout: 5s
    flush.events: 1024
```

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