Hi all,
Environment: RHEL6 with IPA 3.0 at current RedHat level. 64-core 256-GB
RAM Oracle x4470 M2.
During our migration from NIS on Solaris 140,000+ accounts will be
added. After tuning per the guides dbmon.sh shows no roevicts and we get
high cache hit ratios.
Per a previous discussion with the list the input is broken down into
batches of less than 1,000 users and the default IPA group is changed
before each batch. This helped greatly.
Adding all the users takes many hours. Initially ipa user-add takes an
average 2.3 seconds per user but degrades by the time there are 140,000
users to an average 6.7 seconds per user.
In tracing it appears that a significant portion of the time ipa
user-add takes is not the add itself, it is the query at the end that
displays the resulting user account. Is there any legit way to prevent
this query?
The length of time it takes to migrate is not a big concern. The concern
is the start of the fall school term when we typically add approximately
1,300 accounts per hour during the registration period with our current
system.
All suggestions will be appreciated.
Regards, Daryl
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Daryl Fonseca-Holt
IST/CNS/Unix Server Team
University of Manitoba
204.480.1079
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