Migrating spaces from conf 5.7 to existing conf 5.10 instance Edited


HL Summary:

I am trying to migrate a many  spaces from one confluence instance to another. And i am going to do it via space xml export and xml import.

 But attachments migration included in the above makes the projet a big challenge. Can we simly copy attachment files "manually"?


More details:...

Both instances of confluence use the file system for attachment. No DB.As you know, Attachments are automatically included into my zip file and there is no option to exclude them from the export.

We experience lots of issues in the process, mostly on the import step. They are: contention, slow down for existinf users, faillure for many reasons (memery error, socket connection timeout,...)

Some spaces have pages and attachments in the thousands! 

I am looking for a more viable option; excluding to do a complete site backup as both systems have evolved concurrently. We really need to add content from the 5.7 version to the 5.10 version. So...


I read that it is possible to simply move the attachment files from one system to the other.

My solution would then (repeat 1 to 3 for each space to migrate)

1 to export spaces to zipped xml.

2 zip the entities.xml and the exportDescriptor.properties (hence filtering out the attachments)

3 import the space (w/out attachments)

4 then copy all attachments from one site to the other.


Would that work ? or copying attachment files works only for site backup 

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