Increasing promote/publish speed in Satellite 6

Solution Verified - Updated -

Issue

Satellite 6 backend system Pulp uses MongoDB database for storing repository metadata. As more and more data files are added by MongoDB, total database size grows from default 3 gigabytes up to tens or hundreds of gigabytes. Data is fragmented and promotion or publishing speed decreases.

This can be improved by bringing Satellite 6 instance down and performing MongoDB maintenance operation called "database repair". Our numbers show that the size of database decreases drastically (around 50 %) and promote (or publish) operations are faster by 60-80 %.

Environment

Satellite 6.3 or older

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