Gaps in graphs while indexing with ElasticSearch

Elastic Stack Elasticsearch
1

Hi all,

Sometimes, when I'm indexing documents to ElasticSearch, I see gaps in all the graphs in the X-Pack monitoring view.

Like this:

Gaps in ElasticSearch indexing2.PNG1713×672 94.3 KB

In detal:

Gaps in ElasticSearch indexing.PNG1707×622 63.3 KB

What does this mean?

Thanks in advance!

2

Do you see any evidence of long GC in the monitoring data or logs?

3

I do not see any extremely long GC in the monitoring data

Gaps in ElasticSearch indexing GC.PNG1713×430 77.8 KB