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--- pfsense:memory:high_memory_usage [2020/11/27 10:47] – created peter
+++ pfsense:memory:high_memory_usage [2021/01/06 09:25] (current) – peter
@@ Line 1: / Line 1: @@
 ====== PFSense - Memory - High Memory Usage ======
-**Large State Tables** - State table entries require about 1 KB of RAM each.
+===== Check State Tables =====
+Navigate to **System -> Advanced -> Firewall & NAT**.
+Check the **Firewall Maximum States** and **Firewall Maximum Table Entries** fields.
+Each State table entry requires about 1 KB of RAM.
   * The default state table size is calculated based on 10% of the available RAM in the firewall.
@@ Line 7: / Line 14: @@
   * For large environments requiring state tables with several hundred thousand connections, or millions of connections, ensure adequate RAM is available.
-**Packages** - Some of the packages increase RAM requirements significantly.
+----
+===== Check System Activity =====
+Navigate to **Diagnostics -> System Activity**.
+{{:pfsense:memory:pfsense_-_diagnostics_-_system_activity.png?800|}}
+<WRAP info>
+**NOTE:**  This is equivalent of the **top -aSH** command.
+</WRAP>
+----
+===== Check Packages =====
+Some packages increase RAM requirements significantly.
   * Snort and ntop are two that should not be installed on a system with less than 1GB RAM.
+----
+===== References =====
+https://pfsense-docs.readthedocs.io/en/latest/monitoring/system-activity.html