Constant high cpu usage from Filebeat

[nskerl (Nathan Skerl)]

Just wanted to ref my own issue here, as I saw a very similar CPU pattern with a high number of current files. I see the same in your output. I was able to resolve my CPU issue by reducing the number of stale files in the registry, but I still don't understand why that helped.

Log file size vs. quantity

While troubleshooting high cpu usage by Filebeat (80% sustained, even when logs are idle), I noticed it showed a large number of files (current: 8811) in the registrar: "harvester":{"open_files":4,"running":4}},"libbeat":{"config":{"module":{"running":0}},"output":{"events":{"acked":214,"batches":4,"total":214},"read":{"bytes":24},"write":{"bytes":16075}},"pipeline":{"clients":1,"events":{"active":0,"published":214,"total":214},"queue":{"acked":214}}},"registrar":{"states":{"current":8811,"upda…