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Documentation #5058

Updated by Loic Dachary over 6 years ago

"work in progress":https://github.com/dachary/ceph/tree/wip-5058

* See OSD::handle_pg_(notify|info|log|query) relates to a function that has apparently been replaced by react() methods such as https://github.com/ceph/ceph/blob/master/src/osd/PG.cc#L6040
* http://ceph.com/docs/master/dev/osd_internals/map_message_handling/ says : "OSD::enqueue_op calls PG::queue_op which checks can_discard_request before queueing the op in the op_queue and the PG in the OpWQ." but it looks like OSD::handle_op does it https://github.com/ceph/ceph/blob/master/src/osd/OSD.cc#L6244 and OSD::enqueue_op queues it regardless https://github.com/ceph/ceph/blob/master/src/osd/OSD.cc#L6461
** "OSD::handle_op":https://github.com/ceph/ceph/blob/master/src/osd/OSD.cc#L6244 calls "op_is_discardable":https://github.com/ceph/ceph/blob/master/src/osd/OSD.cc#L6461 which discards disconnected clients

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