Update Prometheus Client MMAP gem to version that fixes performance degradation
requested to merge pawel/bump_prometheus_client_mmap_version_to_fix_performance_degradation into master
Update prometheus-client-mmap gem to fix performance degradation caused by workers restarting and creating many files with data (one per pid).
See this documentation paragraph for more info https://gitlab.com/gitlab-org/prometheus-client-mmap/tree/master#pid-cardinality
Are there points in the code the reviewer needs to double check?
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Does this MR meet the acceptance criteria?
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Documentation created/updated - Review
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Has been reviewed by Backend -
Has been reviewed by Database
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Conform by the merge request performance guides -
Conform by the style guides -
Squashed related commits together
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Edited by username-removed-676946