Description

The collection sync tasks triggered via the nightly cron job fail due to an OOM error on the pulp worker. Even when the requirements file only contain a single collection version. 

This began occurring on beta-dev 2023-03-02,

beta-stage 2023-03-03, 

and beta(prod)  2023-03-04

Key Dependency Versions

,"server_version":"4.8.0dev","galaxy_ng_version":"4.8.0dev","galaxy_ng_commit":"master:d7225180","galaxy_importer_version":"0.4.7","pulp_core_version":"3.23.1","pulp_ansible_version":"0.17.0","pulp_container_version":"2.14.4"}

Steps to Reproduce

Send a POST request to https://beta-galaxy[-dev|-stage].ansible.com/api/content/published/v3/sync/

Always reproducible

Actual Behavior

the sync task fails

the pulp-worker pod metrics show a rise in memory utilization up to 4GiB (the current applied memory limit), then a sudden drop when the OOM occurs. The logs indicate the task process existed with non zero exitcode -9.

Expected Behavior

The sync task should complete successfully.