XF 1.5 High Load with Xenforo 1.5

dash

Active member
I upgraded from 1.4 to 1.5 about a week and a half ago and have been experiencing much higher load now causing the site to slow down or the server crashes. Lost a few days of posts due to one of the crashes since my hosting provider had to revert back to a backup copy of the database.

When running top, php processes consume a lot of CPU. This was not a problem before.

I am getting the following server errors in Xenforo now on a regular basis.

Code:
Zend_Db_Statement_Mysqli_Exception: Mysqli statement execute error : Lock wait timeout exceeded; try restarting transaction - library/Zend/Db/Statement/Mysqli.php:214
Generated By: Unknown Account, 19 minutes ago
Stack Trace

#0 /home/dc/public_html/forum/library/Zend/Db/Statement.php(297): Zend_Db_Statement_Mysqli->_execute(Array)
#1 /home/dc/public_html/forum/library/Zend/Db/Adapter/Abstract.php(479): Zend_Db_Statement->execute(Array)
#2 /home/dc/public_html/forum/library/XenForo/Model/DataRegistry.php(164): Zend_Db_Adapter_Abstract->query('\r\n\t\t\tINSERT INT...', Array)
#3 /home/dc/public_html/forum/library/XenForo/Model/Option.php(749): XenForo_Model_DataRegistry->set('options', Array)
#4 /home/dc/public_html/forum/library/XenForo/Model/Option.php(575): XenForo_Model_Option->rebuildOptionCache()
#5 /home/dc/public_html/forum/library/Tapatalk/EventListener/Hook.php(57): XenForo_Model_Option->updateOptions(Array)
#6 [internal function]: Tapatalk_EventListener_Hook::templateHook('page_container_...', '\n\t<meta charset...', Array, Object(XenForo_Template_Public))
#7 /home/dc/public_html/forum/library/XenForo/CodeEvent.php(58): call_user_func_array(Array, Array)
#8 /home/dc/public_html/forum/library/XenForo/Template/Abstract.php(285): XenForo_CodeEvent::fire('template_hook', Array, 'page_container_...')
#9 /home/dc/public_html/forum/library/XenForo/Template/Abstract.php(265) : eval()'d code(120): XenForo_Template_Abstract->callTemplateHook('page_container_...', '\n\t<meta charset...', Array)
#10 /home/dc/public_html/forum/library/XenForo/Template/Abstract.php(265): eval()
#11 /home/dc/public_html/forum/library/XenForo/Template/Abstract.php(191): XenForo_Template_Abstract->_renderInternal('$__output = '';...', Array)
#12 /home/dc/public_html/forum/library/XenForo/Template/Public.php(110): XenForo_Template_Abstract->render()
#13 /home/dc/public_html/forum/library/XenForo/ViewRenderer/HtmlPublic.php(139): XenForo_Template_Public->render()
#14 /home/dc/public_html/forum/library/XenForo/FrontController.php(633): XenForo_ViewRenderer_HtmlPublic->renderContainer(Object(XenForo_Template_Public), Array)
#15 /home/dc/public_html/forum/library/XenForo/FrontController.php(158): XenForo_FrontController->renderView(Object(XenForo_ControllerResponse_View), Object(XenForo_ViewRenderer_HtmlPublic), Array)
#16 /home/dc/public_html/forum/index.php(13): XenForo_FrontController->run()
#17 {main}

Request State

My hosting provider installed nginx as reverse proxy but this hasn't helped. Any way to diagnose the problem?

The wordpress part of the site is working fine and responds fast (when server is not overloaded). Xenforo is sluggish all the time now.

Thank you
 
Last edited:
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