Have you selected "Extend Insert" check box to carry out a bulk insert of a defined set of lines? TalendHelpCenter:tRedshiftOutput.
In addition, tMap is cache component consuming two much memory. For a large set of data, try to store the data on disk instead of memory on tMap. Also, allocate more memory to execute the job.
Please have a look at KB article TalendHelpCenterutOfMemory.
Talend named a Leader.
Kickstart your first data integration and ETL projects.
Watch the recorded webinar!
Part 2 of a series on Context Variables
Learn how to do cool things with Context Variables
Find out how to migrate from one database to another using the Dynamic schema