[sssd PR#319][opened] sudo: add a threshold option to reduce size of rules refresh filter

[pbrezina]

   URL: https://github.com/SSSD/sssd/pull/319
Author: pbrezina
 Title: #319: sudo: add a threshold option to reduce size of rules refresh filter
Action: opened

PR body:
"""
If a large number of rules is expired at one time the ldap filter may
become too large to be processed by server. This commits adds a new
option "sudo_threshold" to sudo responder. If the threshold is
exceeded a full refreshed is done instead of rules refresh.
"""

To pull the PR as Git branch:
git remote add ghsssd https://github.com/SSSD/sssd
git fetch ghsssd pull/319/head:pr319
git checkout pr319