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There are two approaches: use constrained threads or prefork a pool of processes. A discussion should be held to determine the best approach. If we go with threads we should consider using same approach in the proxy back end. A ticket should be filed to do the work.
We had a discussion on this at last week's status meeting.
The general consensus was that we would prefer a prefork pool rather than threads, as there is some concern about the thread-safety of libtevent. Also, the coding standard up to this point has been to prefer processes, so we'd rather keep consistent.
type: defect => task
https://fedorahosted.org/sssd/wiki/DesignDocs/AsyncWinBind
Have you considered something like Apache's prefork model for the process pool management?
They seem to simply create a new process into the pool whenever the number of idle processes is lower than min_spare_processes and kill then off when they have more than max_spare_processes. Also they have hard limits in the form of min_processes and max_processes.
min_spare_processes
max_spare_processes
min_processes
max_processes
Fields changed
milestone: SSSD 1.6.0 => SSSD 1.8.0
Updated with diagrams and more description as requested: https://fedorahosted.org/sssd/wiki/DesignDocs/AsyncWinBind
rhbz: =>
milestone: SSSD 1.8.0 => NEEDS_TRIAGE
milestone: NEEDS_TRIAGE => SSSD 1.8 AD Integration NEEDS TRIAGE
resolution: => fixed status: new => closed
rhbz: => 0
Metadata Update from @dpal: - Issue assigned to pzuna - Issue set to the milestone: SSSD 1.8 AD Integration NEEDS TRIAGE
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