Apache and Virtualhosts slowness
Hi Guys,
I need a help... I have a CentOS server running Apache 2 with 3 virtualhosts configured, all virtualhosts runs the same website/application and have the same configuration on httpd.conf, just changing the servername and path for files. But, from the 3 virtualhosts, just the most recent configured is experiencing a slowness, seems like this virtualhost loads an Apache instance and doesn't close it when isn't more necessary. And when this happens, the site goes down. The site only returns on-line when I do a restart in Apache, or kill the httpd instances until match which maintains this virtualhost. So, anyone have a clue about this? What I can do to solve this? Thanks so much! |
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- What is the application (is it up to date BTW?) and what are the requirements the vendor lists? - What are the systems specs and does it show (excessive?) resource consumption over time (Atop, Collectl, sar)? - What is "slow"? How does Apache show resource consumption over time (Apache Top, MySQL Top)? - What do system and damon logs say in the time leading up to being "slow"? - In which way are your system, web server, database and application configuration different from the defaults? Or phrased differently: what performance tweaks have you already tried? *Please note these questions don't encompass everything plus the kitchen sink so you're invited to actively explore your system and post any other seemingly related information too. |
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I'm sending the replies of your questions and more information. - The application isn't up to date we are developing the new version soon. And the server has available resources. - We are using Cacti to monitor the server and there is no high usage of memory and CPU. - The first page is a login page, which uses only some php includes to create the login page. Nothing about DB connections or something else and etc. - The same system runs in all Virtual Hosts, first and second virtual hosts does not affected this kind of slow. For Example, if I open the page now, I can login and use the system. But if I try to make the same procedure in 30 minutes, the login page simply does show to me. Is something like a "render" issue, which doesn't happens with the other virtual hosts. - There is nothing being generated in the logs. When this happens, the CPU and Memory usage still are low. - For while I didn't made any changes in Apache to solve this, because I don't know too much of apache tunning. Thanks a lot for the help! |
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