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Limits

As root

In /etc/security/limits.conf insert

solr            hard    memlock         unlimited
solr            soft    memlock         unlimited
solr            -       nofile          65536
solr            -       nproc           65000

Install

Create Directory /data/ddb as root:
- mkdir /data/ddb
- chmod 755 /data/ddb
- chown -R admin:users /data/ddb
Install required libraries + Java as root
- yum -y install lsof python-lxml rsync java-1.8.0-openjdk java-1.8.0-openjdk-devel
Download + Install SOLR-Tar as root
- cd
- export https_proxy=http://proxy.fiz-karlsruhe.de:8888/ && wget "https://archive.apache.org/dist/lucene/solr/6.5.0/solr-6.5.0.tgz"
- tar xfp solr-6.5.0.tgz
- cd solr-6.5.0/bin
- ./install_solr_service.sh ~/solr-6.5.0.tgz -d /data/ddb/tools/solr -p 8183 -f
- chown -R solr:solr /opt/solr-6.5.0
- ln -s /opt/solr-6.5.0 /opt/solr
- rm -fr solr-6.5.0*
Copy DDB-Libs + Configurations as solr
- cd /opt/solr
- cp ./dist/*.jar ./server/solr-webapp/webapp/WEB-INF/lib/
- cp contrib/extraction/lib/*.jar ./server/solr-webapp/webapp/WEB-INF/lib/
- cp contrib/analysis-extras/lucene-libs/*.jar ./server/solr-webapp/webapp/WEB-INF/lib/
- CORES=(fulltext nodes organization person search)
  for core in ${CORES[@]}; do
  bin/solr create -c $core -n $core
  done
  cd /data/ddb/tools/solr/data/fulltext
  rm -r conf
  ln -s /data/ddb/Cortex/conf/solr/fulltext/conf
  cd ../nodes/
  rm -r conf
  ln -s /data/ddb/Cortex/conf/solr/nodes/conf
  cd ../organization/
  rm -r conf
  ln -s /data/ddb/Cortex/conf/solr/organization/conf
  cd ../person/
  rm -r conf
  ln -s /data/ddb/Cortex/conf/solr/person/conf
  cd ../search/
  rm -r conf
  ln -s /data/ddb/Cortex/conf/solr/search/conf
  cd /opt/solr/server/solr-webapp/webapp/WEB-INF/lib
  ln -s /data/ddb/Cortex/lib/SolrIndexServer.jar