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+With the latest Elastic Stack (7.16+) having 16GB of RAM for T-Pot is probably the best choice for all of the Elastic Tools to run and start up without any errors.
+However, not every one has the option for 16GB of RAM. You can adjust `/opt/tpot/etc/tpot.yml` to limit the Elastic RAM usage.
+
+It is assumed you make all the changes as root (`sudo su -`)
+1. Stop T-Pot (`sytemctl stop tpot`)
+2. `vi /opt/tpot/etc/tpot.yml`
+3. Search for `Elasticsearch service` and adjust the following lines to your needs (uncommenting should be enough in most cases):
+```
+#     - ES_JAVA_OPTS=-Xms2048m -Xmx2048m
+#    mem_limit: 4g
+```
+4. Save and `reboot`.
+
+Limiting RAM might have a negative impact on your Elastic Stack performance, especially if you want to run queries for a large timeframe.
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