Bulk indexing MongoDB documents are very slow

[temi]

Expected Behavior

Bulk indexing medium sized documents of around 20,000 become very slow. MongoDB pagination command becomes slow towards the page end. It degrades ES plugin performance. This is a know issue in MongoDB.

Actual Behaviour

Indexing should take approximately same time for each bulk index iteration.

Steps To Reproduce

1. elasticSearchService.index(DomainClass)

Environment Information

• JDK 8
• ES 7.8

Example Application

No response

Version

4