tParallelize does not work with Data Services Jobs and Routes - 6.4

Talend Data Fabric Release Notes

EnrichVersion
6.4
EnrichProdName
Talend Data Fabric
task
Installation and Upgrade
EnrichPlatform
Talend Activity Monitoring Console
Talend Administration Center
Talend Artifact Repository
Talend CommandLine
Talend Data Preparation
Talend Data Stewardship
Talend DQ Portal
Talend ESB
Talend Identity Management
Talend Installer
Talend JobServer
Talend Log Server
Talend MDM Server
Talend MDM Web UI
Talend Project Audit
Talend Repository Manager
Talend Runtime
Talend SAP RFC Server
Talend Studio

The tParallelize component is designed for Data Integration Jobs. Do not use it in the context of Data Services Jobs and Routes because it is not thread safe between parallel requests and will cause huge memory and CPU consumption. Use a Route if parallel processing is a requirement.