| This is work in progress! |
Currently there seems to be a bug, which creates OutOfMemoryExceptions when ingesting files that are larger than available heap space with certain infinispan configurations (e.g. LevelDB). It seems like this is an issue with the Modeshape project which has been reported at: https://issues.jboss.org/browse/MODE-2103 The following TestCase can be used to reproduce the issue: https://github.com/futures/large-files-test Workaround Currently the only known workaround is using a _file_ configuration for infinspan caches e.g.: https://github.com/futures/fcrepo4/blob/34aab66bc26edfca3a4cbabecc4870bfd81f05da/fcrepo-http-commons/src/main/resources/config/single-file/repository.json. This can be done by setting the following property:
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Use config: CATALINA_OPTS="-Dfcrepo.modeshape.configuration=classpath:/config/single-file/repository.json" bin/catalina.sh run
Using the single-file configuration ingest and retrieval of files up to the size of 300 GB using Fedora 4's REST API were tested successfully. The files were ingested sequentially, retrieved and a bitwise comparison with the original data has been performed. Larger sizes have not been tested, due to HDD size limitations. |
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