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| Excerpt |
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To support horizontal scalability use cases as well as geographic distribution, Fedora 4 can be configured as a cluster of application servers. |
Overview
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This feature is still undergoing development. |
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JAVA_OPTS="$JAVA_OPTS -Xmx1024m -XX:MaxPermSize=256m -Dfcrepo.modeshape.configuration=file:///config/clustered/repository.json"
JAVA_OPTS="$JAVA_OPTS -Dfcrepo.infinispan.cache_configuration=config/infinispan/clustered/infinispan.xml"
JAVA_OPTS="${JAVA_OPTS} -Dfcrepo.home=/tmp/wherever"
JAVA_OPTS="${JAVA_OPTS} -Djgroups.tcp.address=<private-ip-address-of-ec2-instance>"
JAVA_OPTS="${JAVA_OPTS} -Dfcrepo.ispn.numOwners=2 -Djava.net.PreferIPv4Stack=true"
# The jgroups-ec2.xml file is included in ispn's jars
JAVA_OPTS="${JAVA_OPTS} -Dfcrepo.ispn.jgroups.configuration=jgroups-ec2.xml"
# This property overwrites the S3 bucketname variable in jgroups-ec2.xml
JAVA_OPTS="${JAVA_OPTS} -Djgroups.s3.bucket=<some-bucket-that-you-have-already-created>" |
See this example on Fedora Cluster Installation in AWS
Load Balancing Fedora 4 using Apache and mod_jk
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