[JIRA] (OVIRT-1775) system-sync_mirrors-fedora-updates-fc25-x86_64 job sometimes takes 3+ hours to complete

system-sync_mirrors-fedora-updates-fc25-x86_64 job sometimes takes 3+ hours to complete --------------------------------------------------------------------------------------- Key: OVIRT-1775 URL: https://ovirt-jira.atlassian.net/browse/OVIRT-1775 Project: oVirt - virtualization made easy Issue Type: Bug Components: oVirt Infra Reporter: Evgheni Dereveanchin Assignee: Evgheni Dereveanchin Priority: Low The fc25 mirror sync job takes hours to complete: http://jenkins.ovirt.org/view/All%20Running%20jobs/job/system-sync_mirror... Builds #801, #813, #822, #825, #831, #839 took more than 3 hours to complete. Looking at the mirror server during build #839, reposync and genpkgmetadata.py processes were consuming resources and constantly waiting in D state with I/O Wait being around 70% Opening a ticket to investigate the root cause of this slowdown.