The following table describes environment variables specific to MapR. Note that environment variables must be set in $MAPR_HOME/conf/env.sh
.
Variable | Example Values | Description |
---|---|---|
JAVA_HOME | /usr/lib/jvm/java-7-sun | The directory where the correct version of Java is installed. |
MAPR_HOME | /opt/mapr (default) | The directory in which MapR is installed. |
MAPR_SUBNETS | 10.10.123.0/24,10.10.124.0/24 | If you do not want MapR to use all NICs on each node, use the environment variable MAPR_SUBNETS to restrict MapR traffic to specific NICs. Set MAPR_SUBNETS to a comma-separated list of up to four subnets in CIDR notation with no spaces. If MAPR_SUBNETS is not set, MapR uses all NICs present on the node. When MAPR_SUBNETS is set, make sure the node can reach all nodes in the cluster (servers and clients) using the specified subnets. |
MAPR_USER |
| Used with |
MAPR_ECOSYSTEM_LOGIN_OPTS | *hybrid* | Specifies the JAAS configuration to use with installed open source components. |