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====== Increase Big Data Service RAM ======

By default, the big data service assumes a modest RAM allowance. However, this can be increased for better
performance.

Consider increasing memory allocation up to up to 1/3rd of a server’s available RAM (no more than 32GB)

1. Check available server memory to determine available RAM

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2.  Stop the Big Data Service

  * Open Windows Services. 
  * Find “Intelligent Plant Big Data Service”.
  * Right click, and select “Stop”.

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3. Launch the Big Data Service manager

  * Open a cmd prompt in administrator mode.
  * Navigate to %ProgramFiles%\Intelligent Plant\Big Data\es\bin\
  * Enter: service.bat manager

{{ :big_data_service:bdcustom_07.png?500 |}}

4. Under Java properties, increase the Initial and Maximum memory pools.

In this example, we’ve increased it from 1024MB to 2048MB.

Click apply and close the properties window.

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5. Restart the Big Data Service

  * Open Windows Services.
  * Find “Intelligent Plant Big Data Service”. Right click, then select “Start”.

{{ :big_data_service:bdcustom_05.png?500 |}}


**Warning.** These custom settings will be reset if software is re-installed/upgraded.