All, We’re tracking down login and sudo slowness in RHEL7 when using sssd/AD as a backend. 30 – 45 seconds (or more) of slowness.
Only in RHEL7 – not in RHEL6 or RHEL8. We worked with our vendor – we’re pretty sure we’re got it. It’s due to this RHEL7 bug: https://bugzilla.redhat.com/show_bug.cgi?id=1532105 But along the way, in our research we encountered this sage bit of advice: https://superuser.com/questions/1343631/sssd-nss-slow-when-using-sudo In simple terms “local providers before remote providers”. Thus “systemd” before “sss”. Does this recommendation still stand? So if still in force, is this /etc/nsswitch.conf setting recommended? passwd: systemd files sss group: systemd files sss Or is this better: passwd: files systemd sss group: files systemd sss Or does it not matter? Spike
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