If your workspace console is flooded with too many process order calls for the pending orders, you can disable the event in wc-server.xml file as below. This event is used by an event listener to transfer an order to a back end system.
Source: https://www.ibm.com/support/knowledgecenter/en/SSZLC2_7.0.0/com.ibm.commerce.admin.doc/tasks/tlsdisablebusevents.htm
<component
compClassName="com.ibm.commerce.event.impl.ECEventEnableComponent"
enable="false" name="OrderSubmit Event">
<property display="false">
<event name="OrderSubmit"/>
</property>
</component>
Source: https://www.ibm.com/support/knowledgecenter/en/SSZLC2_7.0.0/com.ibm.commerce.admin.doc/tasks/tlsdisablebusevents.htm