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--- litespeed_wiki:php:503-errors [2019/03/20 19:24]
Lisa Clarke [CPanel webdisk 503 errors] Proofreading
+++ litespeed_wiki:php:503-errors [2019/08/01 19:08]
Jackson Zhang ["zend_extension" Instead of "extension" and Vice Versa]
@@ Line 344: / Line 344: @@
   - Comment out the ''extension_dir'' line to let PHP pick a default.
+==== ''Too many open files'' error may cause 503 error ====
+If you found there are a lot of ''Too many open files!'' errors, which cause 503 errors.
+<code>
+  grep "Too many open files" error_log
+-08-01 21:58:03.511076 [INFO] [319934] [157.33.150.151:49873-1#APVH_pcrm.lidopiegade.lv:lsapi] connection to [uds://tmp/lshttpd/APVH_lidopiegade_Suea-php56.sock] on request #0, confirmed, 0, associated process: 0, running: 0, error: Too many open files!
+-08-01 21:58:03.511078 [INFO] [319934] [uds://tmp/lshttpd/APVH_lidopiegade_Suea-php56.sock] Connection error: Too many open files, adjust maximum connections to 4!
+-08-01 21:58:03.511085 [NOTICE] [319934] [APVH_lidopiegade_Sulsphp56:]: Failed to open pid file [/tmp/lshttpd/APVH_lidopiegade_Suea-php56.sock.pid]: Too many open files
+-08-01 21:58:03.511087 [ERROR] [319934] [APVH_lidopiegade_Sulsphp56:]: Failed to lock pid file for [/tmp/lshttpd/APVH_lidopiegade_Suea-php56.sock]: Too many open files
+-08-01 21:58:03.809177 [ERROR] [319934] [HTAccess] Failed to open [/home/zazzybab/public_html/girls/shannon-stewart/.htaccess]: Too many open files
+-08-01 21:58:03.810914 [ERROR] [319934] [46.51.216.186:63901] /home/zazzybab/public_html/girls/shannon-stewart/shannon-stewart-playboy-33645.jpg: open() failed, 24:Too many open files
+-08-01 21:58:05.072915 [NOTICE] [319934] [APVH_lidopiegade_Sulsphp56:]: Failed to open pid file [/tmp/lshttpd/APVH_lidopiegade_Suea-php56.sock.pid]: Too many open files
+-08-01 21:58:05.072918 [ERROR] [319934] [APVH_lidopiegade_Sulsphp56:]: Failed to lock pid file for [/tmp/lshttpd/APVH_lidopiegade_Suea-php56.sock]: Too many open files
+-08-01 21:58:05.072932 [NOTICE] [319934] [APVH_birkenfelds_Sulsphp56:]: Failed to open pid file [/tmp/lshttpd/APVH_birkenfelds_Suea-php56.sock.pid]: Too many open files
+-08-01 21:58:05.072934 [ERROR] [319934] [APVH_birkenfelds_Sulsphp56:]: Failed to lock pid file for [/tmp/lshttpd/APVH_birkenfelds_Suea-php56.sock]: Too many open files
+-08-01 21:58:05.072949 [NOTICE] [319934] [APVH_vairaksaules_Sulsphp56:]: Failed to open pid file [/tmp/lshttpd/APVH_vairaksaules_Suea-php56.sock.pid]: Too many open files
+-08-01 21:58:05.072951 [ERROR] [319934] [APVH_vairaksaules_Sulsphp56:]: Failed to lock pid file for [/tmp/lshttpd/APVH_vairaksaules_Suea-php56.sock]: Too many open files
+</code>
+You may want to check the current ulimit:
+  ulimit -n
+you may consider to increase to a much higher value like:
+  ulimit -n 3276800
+Check [[litespeed_wiki:config:increasing-os-file-descriptor-limit|this wiki]] for details.
 ==== Magento 503 error ====
 After (re)installation of LiteMage Cache extension in Magento Connect manager or enable other modules in Magento 2, Magento site may be placed in maintenancence mode and couldn't be accessed and may give 503 errors.  Please refer [[litespeed_wiki:cache:litemage:troubleshooting:connect-cache-session-cleaning-error|this]] for details.