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By default Neo4j is set to use 3GB use the following RAM:

CAST Imaging ≥ 2.5.0 8GB of RAM memory (initial and maximum)

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CAST Imaging ≤ 2.4.x 3GB of RAM memory (initial and maximum)

 If you are facing performance issues, it is possible to modify the allocated memory. See also https://neo4j.com/docs/operations-manual/current/performance/memory-configuration/#_considerations for more information.

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Info

Microsoft Windows via traditional installer

This file is located in the protected %APPDATA% location, therefore you must open the file with elevated permission (this is usually achieved by right clicking your text editor in the Windows start menu and selecting Run as administrator):

Linux

You may need to use elevated permissions to edit this file (for example use sudo).

Alter the following line lines and increase the RAM allocation as necessary:

Code Block
languagetext
dbms.memory.heap.initial_size=3G8G
dbms.memory.heap.max_size=3G8G

Restart the Neo4j Windows service / Docker container to ensure the changes are taken into account.

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