copr: builders: document the reasons for fastestmirror option

2019-08-11 20:08:33 +02:00 · 2019-08-11 20:08:33 +02:00 · d8be6c6cba
commit d8be6c6cba
parent 92fe8f7c93
1 changed files with 3 additions and 0 deletions
--- a/roles/copr/backend/files/provision/provision_builder_tasks.yml
+++ b/roles/copr/backend/files/provision/provision_builder_tasks.yml
@ -36,6 +36,9 @@
  when:
    - prepare_base_image is defined

+# For some reason, on aarch64 builders, the repo metadata download tends to run
+# amazingly slow (~300kB/s), while having fastestmirror turned ON the metadata
+# download is 10x faster.
 - name: enable dnf fastestmirror option
  ini_file: dest=/etc/dnf/dnf.conf section=main option=fastestmirror value=True
  when: