If I run a task on a small number of MIC's, all's ok. If MIC's is a lot (30-40 or above), I receive "user not found" on some nodes.
If I run "id":
OK: uid=1000 (user) group=1000 (group)
Fail: uid=1000 group=1000 (group)
When fail, node didn't report user name, only user ID.
I think it's happens because LDAP-server can't cope with the number of requests from MIC's.
Maybe need turn on LDAP-users caching (like it's provides sssd)? How?
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