[0.22] Greatly improve memory usage during collection syncs#2520

mdellweg merged 1 commit intopulp:0.22pulp/pulp_ansible:0.22from

gerrod3:patchback/backports/0.22/afdaf7cdf96f38dda4b92e8d9eca3e661c2c181a/pr-2454gerrod3/pulp_ansible:patchback/backports/0.22/afdaf7cdf96f38dda4b92e8d9eca3e661c2c181a/pr-2454Copy head branch name to clipboard