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From Ivan Latysh <ivanlat...@gmail.com>
Subject Re: Migrating to DataStore - large memory usage of importxml
Date Tue, 15 Apr 2008 13:31:23 GMT
sbarriba wrote:

> Firstly worth saying how good the DataStore solution is - well done to the
> team.
> We're considering migrating some pretty large repositories over to a
> DataStore implementation but are limited by the memory usage of the
> importxml command. We can run exportSysView to produce a 3GB XML backup no
> problem.
> Any suggestions on how to re-import an XML backup of 3GB+ on a machine with
> 1 or 2 GB? Incremental export/import, e.g. folder by folder, is tricky as
> the workspaces have various internal cross-references.
JCR-Backup address this issue, by using streaming API only.
We didn't test on 3G import, but hundreds of megs are going in and out fine. 
Also nt:file nodes are backed up in native form, no BASE64 encoding, that 
significantly reduce backup size and time.

Ivan Latysh

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