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--- litespeed_wiki:cpanel:multi-litespeed-processes [2018/08/08 19:43]
Jackson Zhang
+++ litespeed_wiki:cpanel:multi-litespeed-processes [2019/03/07 18:50]
Jackson Zhang
@@ Line 1: / Line 1: @@
 ====== How to Use More Cores With a 2-CPU or Above License on cPanel ======
+===== Setup to use multicores =====
 You can boost your website's benchmark performance by selecting a higher-CPU license. If you have a 2-CPU or above license on cPanel, you can check how many LiteSpeed processes are running in "top". Sometimes you may only see one core being used by LiteSpeed processes. Why?
@@ Line 7: / Line 9: @@
  {{ :litespeed_wiki:cpanel:enable-litepeed-multi-processes-on-controlpanel.png?800 |}}
-If you have multi IPs, you can use "ANY" in IP field. Please keep in mind that if you need to switched between IP:port and ANY:port, you will need to have a full LSWS stop and start.
+If you have multi IPs, you can use "ANY" in "IP Address" field. Please keep in mind that if you need to switch between <Individual IP> and ANY, you will need to have a full LSWS stop and start.
 {{ :litespeed_wiki:cpanel:multi-processes-443-1.png?800 |}}
@@ Line 13: / Line 15: @@
 It is normal that manually created listener(s) will not show in running in such control panel environment.
+===== Troubleshooting =====
+==== Full stop/start ====
+If you see "failed to create new listener",
+-03-07 11:17:32.583428    ERROR    HttpListener::start(): Can’t listen at address https: Address already in use!
+-03-07 11:17:32.583462    ERROR    HttpServer::addListener(https) failed to create new listener
+-03-07 11:17:32.583471    ERROR    [config:server:listener:https] failed to start listener on address *:443!
+mostly likely you run a graceful restart. You should run a full stop then full start to make the setting effective.
+  service lsws stop
+  service lsws start
+==== failed to create SSL context for listener ====
+Even you run full stop then full start, you may see the following warning message:
+  LEVEL: WARN [config:server:listener:https] failed to create SSL context for listener 208.75.148.57:443, turn SSL off.
+Try to browse the domain without any issue. Use top command to check and litespeed processes shared CPU equally without any issue.
+The error message simply means the ssl is not configured through WebAdmin ( which is actually true, since LSWS will use apache ssl configuration) and Apache config will fill in the SSL cert.  The error message can be safely ignored as long as SSL is working fine.