On Sat, 30 May 2020, sfl at neusoft.edu.cn wrote: > This time, is centosx4.centos.org, it has a .~tmp~ directory under > 8.1.1911/AppStream/aarch64/os/Packages/, could you check it? Ahh, isn't this "normal" behaviour, showing that an upstream sync was in progress? Having approriate rsync option (like --delay-updates or something like that) should take care of this, both at centosx4 and the downstream mirror, no? -- sriram