samza-shell/src/main/bash/run-container.sh

#!/bin/bash
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# Check if server is set. If not - set server optimization
[[ $JAVA_OPTS != *-server* ]] && export JAVA_OPTS="$JAVA_OPTS -server"

# Set container ID system property for use in Log4J
[[ $JAVA_OPTS != *-Dsamza.container.id* && ! -z "$SAMZA_CONTAINER_ID" ]] && export JAVA_OPTS="$JAVA_OPTS -Dsamza.container.id=$SAMZA_CONTAINER_ID"

# Set container name system property for use in Log4J
[[ $JAVA_OPTS != *-Dsamza.container.name* && ! -z "$SAMZA_CONTAINER_ID" ]] && export JAVA_OPTS="$JAVA_OPTS -Dsamza.container.name=samza-container-$SAMZA_CONTAINER_ID"

exec $(dirname $0)/run-class.sh org.apache.samza.runtime.LocalContainerRunner "$@"