do not check if this CN has a "perfect" copy of the SM identifiers -- we need any CN coming online to contribute the records that they have locally so that in the event that all three CNs have a partial view of things they all eventually share each others' SM entries.
Also get the list size, which may throw an NPE.
Only add an AccessPolicy to SystemMetadata during generation when the AccessPolicy is not empty. We've had some scenarios where IdentifierManager.getaccessPolicy() is returning an empty policy because of an empty permission list coming from the db. This was causing InvalidSystemMetadata exceptions during MN to MN replication.
push SystemMetadata entries from the CN that has them all to the shared map where other nodes may not have all entries. The CN with the complete copy only pushes SM entries that it does not own and that return as null because those are the ones that are missing on the other, non-complete CNs....
trace level log for looping over EVERY pid in the system.
meant to log the guids (source) not the pids (target)
logging for each step of shared identifiers loading.
remove pause/resume - seemed to make metacat just hang on SM retrieval. Add more logging when returned SM is null -- want to make sure it is becuase the local node "owns" the pid key even though there is no value for it.
due to hudson build issue, did not actually end up testing pause/resume -- trying that again
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