Hi Irene,

> We're experimenting with making batch corrections to metadata using the 
> Import Metadata feature in the jsp.  We'd like to raise the limit on the 
> number of items that may be changed at a time.
> 
> I can see the file: 
> http://scm.dspace.org/svn/repo/dspace/tags/dspace-1.6.2/dspace-jspui/dspace-jspui-api/src/main/java/org/dspace/app/webui/servlet/MetadataImportServlet.java
> 
> Where it says this:
> // Set the lmimt to the number of items that may be changed in one go, 
> default to 20
> limit = ConfigurationManager.getIntProperty("bulkedit.gui-item-limit", 20);
> log.debug("Setting bulk edit limit to " + limit + " items");

Correct - adjust the setting 'bulkedit.gui-item-limit' in dspace.cfg.

> …We’d like to up it from 20 to maybe 500 as an experiment -- but potentially 
> much higher.  Does anyone know if that's a really bad idea?  We just don’t 
> know what the consequence is of making this limit larger, but 20 seems way 
> too low for a typical batch of changes.

We set it to 20 initially so that there is a low risk of anything going wrong.  
If you are are happy with the tool, and the way it works, then it is fine to 
set it higher (but of course it carries the risk of potentially wrecking 500 
records at once instead of 20!).  

We don't recommend setting it too high as the changes are all made in one hit, 
and this can cause timeouts or memory problems on the server.  500 should be 
fine.  We've heard of problems when people start going over 1 or 2 thousand 
records at a time.

Thanks,


Stuart Lewis
Digital Development Manager
Te Tumu Herenga The University of Auckland Library
Auckland Mail Centre, Private Bag 92019, Auckland 1142, New Zealand
Ph: +64 (0)9 373 7599 x81928


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