Editing the memory and JVM settings - 7.3

Talend Data Integration Installation Guide for Windows

Talend Data Integration
Installation and Upgrade
Talend Activity Monitoring Console
Talend Administration Center
Talend Artifact Repository
Talend CommandLine
Talend Data Preparation
Talend Data Stewardship
Talend Identity and Access Management
Talend Installer
Talend JobServer
Talend Log Server
Talend Runtime
Talend Studio

To gain in performance at runtime and when launching Talend Studio you can edit the memory settings in the .ini file.

By default, the .ini file sets the following JVM parameters:

Note: The settings of the .ini configuration file will only impact the performance of Talend Studio, not the job execution itself.


  1. Find and open the Talend-Studio-win-x86_64.ini file.
  2. Edit the memory attributes according to your system memory availability. For example:

    -vmargs -Xms512m -Xmx1536m -XX:MaxMetaspaceSize=512m

    Tip: For big projects, you may need to increase Xmx to 4096m.

    For more details, see http://www.oracle.com/technetwork/java/hotspotfaq-138619.html.


With 2 GB of memory available on a 32-bit system, the optimal settings can be:

With 8 GB of memory available on 64-bit system, the optimal settings can be: