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This bug is created as a clone of upstream ticket:
https://fedorahosted.org/sssd/ticket/1198

Right now we do not close the socket used to contact the responders from the clients. This is to avoid overheads when many operations are performed.

Once the shared memory cache is implemented the number of times we will need to contact the responders should be dramatically reduced, therefore we should try to close the socket after each operation. An exception could be enumerations, which spans multiple calls/operations.

We are keeping track of this requirement in SSSD upstream trac. But since this change was not needed in 4+ years and additionally until the memory cache supports more use-cases like by-SID requests which are tracked separately and lastly because there is not much to test from the QE side here, I'm closing this bug report with the resolution of UPSTREAM.

Please reopen this bugzilla if you disagree.