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Setting Java options for the JMS Inbound Connector

The Java options are passed to the connectors by setting the JAVA_OPTS environment variable. The JAVA_OPTS environment variable is set differently for connectors running as systemd services and for connectors running as non-systemd Docker instances.

Procedure for connector running as systemd service

Create a systemd override file

The following command creates a systemd override file for the connector.

sudo systemctl edit <connector-name>

connector-name: Name of the connector for which you want to create an override file. Possible values aerospike-jms-inbound, aerospike-jms-outbound, aerospike-kafka-outbound, aerospike-pulsar-outbound, aerospike-pubsub-outbound, aerospike-xdr-proxy.

Set the JAVA_OPTS environment variable in the override file

In the override file that you created in the previous step, set the JAVA_OPTS environment variable in the Service section. Here is an example that sets a netty workdir and Java maximum heap size:

[Service]
Environment=JAVA_OPTS="-Dio.netty.native.workdir=/connector/tmp -Xmx1024m"

Reload the systemd manager configuration

Run the systemd command to reload the manager configuration:

sudo systemctl daemon-reload

Restart connector

Restart the systemd connector service.

sudo systemctl restart <connector-name>

Procedure for a connector running as a non-systemd Docker container

Set the JAVA_OPTS environment variable for the container on startup. Here is an example that sets a netty workdir and Java maximum heap size:

Environment=JAVA_OPTS="Dio.netty.native.workdir=/connector/tmp -Xmx8G"