Hi Rob
We have a couple of JIRA issues outstanding for this:
https://jira.duraspace.org/browse/FCREPO-102
https://jira.duraspace.org/browse/FCREPO-452
Also we've identified it would be a good candidate for a Google Summer of
Code project -
https://wiki.duraspace.org/display/GSOC/Fedora+Summer+of+Code+Ideas
Regards
Steve
_____
From: Tanzola, Robert (CDC/OD/OADS) (CTR) [mailto:r...@cdc.gov]
Sent: 16 March 2011 14:33
To: fedora-commons-users@lists.sourceforge.net
Subject: [fcrepo-user] java.lang.OutOfMemory during export via SOAP
versionof API-M
Our migration process currently calls the SOAP API-M client. During a recent
migration test, there was a 43MB object being exported. The first attempts
to export it failed with java.lang.OutOfMemory exceptions during the Base64
decode of the SOAP attachment. After further research, we found that
increasing the max heap size to 1GB allowed the object to be exported.
That object ended up needing > 500MB of heap to complete the export (as
observed from jvisualvm during the test). As a workaround we moved over to
the REST version of API-M based upon advice from posts to this list in May
of last year. The export now completes and stays below 20MB of heap space
the whole time.
We are running on Fedora 3.2, so I don't know if the same issue is present
in 3.4.1, but I could imagine that others will encounter this for any
operation that uses a SOAP attachment with Axis 1.3. I did find several
other reports describing this problem outside of the Fedora community from
those using Axis 1.3 directly.
Are there any other considerations or alternatives we should explore for
exporting large files?
Regards,
Rob
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