accept4: too many open files

[carlosperezepfl]

few seconds after running : ~/work/src/github.com/infonova/prometheusbeat# ./prometheusbeat -c prometheusbeat.yml

the output says and don't data to Elastic

2019/03/28 13:57:27 http: Accept error: accept tcp [::]:9080: accept4: too many open files; retrying in 80ms
2019/03/28 13:57:27 http: Accept error: accept tcp [::]:9080: accept4: too many open files; retrying in 160ms
2019/03/28 13:57:27 http: Accept error: accept tcp [::]:9080: accept4: too many open files; retrying in 320ms
2019/03/28 13:57:28 http: Accept error: accept tcp [::]:9080: accept4: too many open files; retrying in 5ms
2019/03/28 13:57:28 http: Accept error: accept tcp [::]:9080: accept4: too many open files; retrying in 10ms
2019/03/28 13:57:28 http: Accept error: accept tcp [::]:9080: accept4: too many open files; retrying in 20ms
2019/03/28 13:57:28 http: Accept error: accept tcp [::]:9080: accept4: too many open files; retrying in 40ms
2019/03/28 13:57:28 http: Accept error: accept tcp [::]:9080: accept4: too many open files; retrying in 80ms
2019/03/28 13:57:28 http: Accept error: accept tcp [::]:9080: accept4: too many open files; retrying in 5ms
2019/03/28 13:57:28 http: Accept error: accept tcp [::]:9080: accept4: too many open files; retrying in 10ms
2019/03/28 13:57:28 http: Accept error: accept tcp [::]:9080: accept4: too many open files; retrying in 5ms
2019/03/28 13:57:28 http: Accept error: accept tcp [::]:9080: accept4: too many open files; retrying in 10ms
2019/03/28 13:57:28 http: Accept error: accept tcp [::]:9080: accept4: too many open files; retrying in 20ms
2019/03/28 13:57:28 http: Accept error: accept tcp [::]:9080: accept4: too many open files; retrying in 40ms

[boernd]

What's your ulimit setting for file descriptors on the OS?

[carlosperezepfl]

The default on Ubuntu 18.04

[APAC-DevOps]

Hi Gents
Could you tell me what is the relationship between prometheusbeat and metricbeat?

Thanks