PinManager not able to keep up with backlog

[LucRoy]

PinManager is not able to keep up with our queue of incoming objects. Here are some numbers to put it into perspective.

Queued: 40 676 423 - select count(id) from contents where not pinning and not active and not failed
Pinning: 102 890 - select count(id) from contents where pinning and not active and not failed
Pinned: 2 835 043 - select count(id) from contents where pinning and active and not failed