Red Hat Bugzilla – Bug 1464149
Don't apply 'retries=' option to tcp timeouts
Last modified: 2018-05-29 08:30:29 EDT
Looks like it means basically reverting of:
Effectively, if there are some networking issues (which happens just now
internally for one server hosting a lot of package repositories), dnf
re-tries downloading from timeout'ing servers.
Having N repositories from such server means (N x retries x timeout)
delay, which makes dnf totally unusable for a lot of internal customers. Even
when we have set skip_if_unavailable=True.
I meant this one:
Ah, the retries= option is applied on timeouts only in yum -- that's good
Though dnf doesn't perform well neither in this case. At least there
seems to be default timeout of 2 minutes for repository download. Not
having repo downloading in parallel, dnf hangs for 2*N minutes for N
repositories from one server (can be simulated by iptables -I OUTPUT -d
<IP> -j DROP). Seems like bug 1210325, so I reopened it.
Except for parallelizing, dnf could special case the downloads where no
single byte was downloaded for much shorter timeout.. Would that make sense?
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