Update troubleshooting.md

Author: mikempw

pages/troubleshooting/troubleshooting.md

@@ -11,6 +11,19 @@ permalink: /troubleshooting
 1. TOC
 {:toc}
 
+## Extremely high CPU usage >80%
+In the receivers file, please modify the concurrent worker count. The default count is 2, please set to 1 within the configuration file using the concurrent_workers attribute.
+Example:
+receivers:
+  bigip:
+    collection_interval: 30s
+    endpoint: https://localhost:443
+    username: otelu
+    password: ${env:BIGIP_PASSWORD}
+    tls:
+      insecure_skip_verify: true
+    concurrent_workers: 1
+
 ## Increase REST memory and timeouts to improve Big-IP REST experience
 Per [AS3 Best Practices guide](https://clouddocs.f5.com/products/extensions/f5-appsvcs-extension/latest/userguide/best-practices.html#increase-timeout-values-if-the-rest-api-is-timing-out)