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LimitsLimits

As root

In /etc/security/limits.conf insert

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

In /etc/sysctl.conf insert
- Code Block
  vm.max_map_count = 262144

Install

Create Directory /data/ddb/tools/solr as root:

Code Block
mkdir /data/ddb/tools/solr chmod -R 755 /data/ddb/* chown -R admin:users /data/ddb

Install required libraries + Java as root

Code Block
yum -y install lsof python-lxml rsync java-1.8.0-openjdk java-1.8.0-openjdk-devel

Download + Install SOLR-Tar as root

Code Block

cd
export https_proxy=http://proxy.fiz-karlsruhe.de:8888/ && wgetcurl -O "https://archive.apache.org/dist/lucene/solr/8.0.0/solr-8.0.0.tgz"

tar xfp solr-8.0.0.tgz
./solr-8.0.0/bin/install_solr_service.sh ~/solr-8.0.0.tgz -i /data/ddb/tools/solr -d /data/ddb/tools/solr -p 8183 -f

chown -R solr:solr /opt/data/ddb/tools/solr/solr-8.0.0
ln -s /optdata/ddb/tools/solr/solr-8.0.0 /optdata/ddb/tools/solr/current
rm -fr ~/solr-8.0.0*

Configure JAVA_OPTS

in /etc/default/solr.in.sh (SOLR_HEAP p1-solr01: 200g)

Code Block

SOLR_HEAP="24g"
SOLR_PID_DIR="/data/ddb/tools/solr"
SOLR_HOME="/data/ddb/tools/solr/data"
LOG4J_PROPS="/data/ddb/tools/solr/log4j2.xml"
SOLR_LOGS_DIR="/data/ddb/tools/solr/logs"
SOLR_PORT="8183"
SOLR_OPTS="$SOLR_OPTS -Dsolr.disable.shardsWhitelist=true -Dlog4j2.formatMsgNoLookups=true"

Configure Access as solr-user + ability to restart service as root

chmod 660 /etc/sudoers
In /etc/sudoers add

Code Block
## Allow admin to su to solr and to start solr-server admin ALL=(root) NOPASSWD: /etc/init.d/solr admin ALL=(root) NOPASSWD: /bin/su - solr

chmod 440 /etc/sudoers

Copy DDB-Libs + Configurations as solr

Code Block
cd /

opt

data/ddb/tools/solr/current
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/

cd /data/ddb/tools/solr/current/server/solr-webapp/webapp/WEB-INF/lib
ln -s /data/ddb/ddb-backend-solr/lib/ddb-backend-solr.jar
ln -s /data/ddb/ddb-backend-solr/lib/solr-ocrhighlighting.jar

cd /data/ddb/tools/solr/data
ln -s /data/ddb/ddb-backend-solr/conf/solr.xml

CORES=(fulltext nodes organization person search newspaper newspaper-issues oaiitems)
for core in ${CORES[@]}; do
/data/

opt

ddb/tools/solr/current/bin/solr create -c $core -n $core
done

NEUER FOLLOWER: 
cd /data/ddb/tools/solr/data/<indexname>/

fulltext

conf
rm -

r

rf

conf

ln

cp

-s

/data/ddb/

Cortex

ddb-backend-solr/conf/

solr

<indexname>/

fulltext/conf cd ../nodes/ rm -r conf ln -s

conf/solrconfig_follower.xml solrconfig.xml
cp /data/ddb/

Cortex

ddb-backend-solr/conf/

solr

<indexname>/

nodes/conf cd

conf/schema.xml .

./organization/ rm -r conf ln -s


cp /data/ddb/

Cortex

ddb-backend-solr/conf/

solr

<indexname>/

organization/conf cd ../person/ rm -r conf ln -s

conf/*.txt .

NEUER LEADER:
cd /data/ddb/

Cortex/conf

tools/solr/

person/conf cd ../search/

data/<indexname>
rm -r conf
ln -s /data/ddb/

Cortex

ddb-backend-solr/conf/

solr/search/conf cd /opt/solr/server/solr-webapp/webapp/WEB-INF/lib ln -s /data/ddb/Cortex/lib/SolrIndexServer.jar

<indexname>/conf

Adapt log4j2.xml, set SizeBasedTriggeringPolicy size = 1 GB, set DefaultRolloverStrategy max = 5
solr-service enablen (dass er bei reboot mitstartet)

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