I am getting memory errors below (complete stack-trace is here [1])
when backing up a DSpace instance using the packager command-line
utility.

[dspace]/bin/dspace packager -d -a -t AIP -e [email protected] -i
123456789/0 workload-aip.zip -u

I am working on Ubuntu 12.04 (4 GB RAM) with the software:

DSpace 3.1
Database: PostgreSQL 9.1.7
Servlet Engine: Apache Tomcat/6.0.35

My repository is composed of the following:

# of communities: 1
# of collections:  119
# of items: 51,200

1. How do I tell packager to use more memory?
2. I inted to run packager on a repository with 32x items using the
same machine --will this be feasible?

###  Partial Log Entiries ###
:
:
:
Disseminating DSpace SITE [ hdl=123456789/0 ] to
/home/dspace/benchmarks/aip/ingest/w10/w10-aip.zip

Also disseminating all child objects (recursive mode)..
This may take a while, please check your logs for ongoing status while
we process each package.
Exception: Java heap space
java.lang.OutOfMemoryError: Java heap space
at java.util.Arrays.copyOf(Arrays.java:2894)
at 
java.lang.AbstractStringBuilder.expandCapacity(AbstractStringBuilder.java:117)
at java.lang.AbstractStringBuilder.append(AbstractStringBuilder.java:407)
at java.lang.StringBuffer.append(StringBuffer.java:241)
at edu.harvard.hul.ois.mets.helper.MetsWriter.attribute(MetsWriter.java:201)
at edu.harvard.hul.ois.mets.helper.MetsWriter.attribute(MetsWriter.java:179)
at 
edu.harvard.hul.ois.mets.helper.MetsElement.writeSchemas(MetsElement.java:223)
at edu.harvard.hul.ois.mets.XmlData.write(XmlData.java:116)
at edu.harvard.hul.ois.mets.MdWrap.write(MdWrap.java:247)
at edu.harvard.hul.ois.mets.helper.MdSec.write(MdSec.java:255)
at edu.harvard.hul.ois.mets.Mets.write(Mets.java:337)
at edu.harvard.hul.ois.mets.Mets.write(Mets.java:296)
at 
org.dspace.content.packager.AbstractMETSDisseminator.writeZipPackage(AbstractMETSDisseminator.java:379)
at 
org.dspace.content.packager.AbstractMETSDisseminator.disseminate(AbstractMETSDisseminator.java:258)
at 
org.dspace.content.packager.DSpaceAIPDisseminator.disseminate(DSpaceAIPDisseminator.java:160)
at 
org.dspace.content.packager.AbstractPackageDisseminator.disseminateAll(AbstractPackageDisseminator.java:86)
at 
org.dspace.content.packager.AbstractPackageDisseminator.disseminateAll(AbstractPackageDisseminator.java:120)
at 
org.dspace.content.packager.AbstractPackageDisseminator.disseminateAll(AbstractPackageDisseminator.java:141)
at 
org.dspace.content.packager.AbstractPackageDisseminator.disseminateAll(AbstractPackageDisseminator.java:152)
at org.dspace.app.packager.Packager.disseminate(Packager.java:636)
at org.dspace.app.packager.Packager.main(Packager.java:460)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:616)
at org.dspace.app.launcher.ScriptLauncher.main(ScriptLauncher.java:183)
END WORKLOAD|w10|Sun Feb  3 21:25:34 SAST 2013
:
:

[1] http://pastebin.com/TY9dduzL

Lighton Phiri
http://lightonphiri.org

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