Differences

This shows you the differences between two versions of the page.

--- max_clients [2015/08/26 14:34] – luke7858
+++ max_clients [2024/05/23 07:26] (current) – external edit 127.0.0.1
@@ Line 1: / Line 1: @@
+**Quick note**: apache 2.4 - Max Clients is now named MaxRequestWorkers
+\\
+You can find the apache values in:
+\\
+/etc/httpd/conf/httpd.conf
+\\
+OR
+\\
+/etc/httpd/conf.modules.d/00-mpm.conf
+\\
+If no value has been set then chances are the default of 256 is set.  (Tip: run apache2buddy to find out the value if you are having trouble working it out)
+\\
 === CentOS ===
+Best command to find the current apache processes is:
 <sxh bash>
-ps afx | grep httpd | wc
+pstree | grep httpd
 </sxh>
+Alternative:
 <sxh bash>
-pstree | grep httpd
+ps afx | grep httpd | wc
 </sxh>
-Output shows how many connections apache currently has
 \\
 \\
@@ Line 13: / Line 26: @@
 grep -i maxclients /etc/httpd/conf/httpd.conf
 </sxh>
+\\
 \\
 When did apache hit max clients?
@@ Line 19: / Line 33: @@
 grep -i maxclients /var/log/httpd/error_log
 </sxh>
-Has it happened before?
+Has it happened before? zgrep checks through ALL of the compresses and uncompressed logs, the * at the end of error represents all of the logrotated files:
 <sxh bash>
 zgrep -i maxclients /var/log/httpd/error_log*
@@ Line 26: / Line 40: @@
 <sxh bash>
 grep -i maxc /etc/httpd/conf/httpd.conf | head -3
+</sxh>
+Ubuntu could have max clients configured in a number of different places, first place to look is:
+<sxh bash>
+grep -i maxc /etc/apache2/apache2.conf | head -4
+</sxh>
+or
+<sxh bash>
+grep -i maxc /etc/apache2/mods-enabled/mpm_prefork.conf
 </sxh>
 Current connections: