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Bastien974
Asked: 2023-05-04 21:34:39 +0800 CST

Combine thousands of logger instances

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We have Apache 2.4 setup with over 1000 vhosts, and multiple instances of logger in each :

CustomLog "|/usr/bin/logger -t apache-access -p local6.notice -n x.x.x.x" access_log

Restarting httpd takes 90+ seconds because it's opening thousands of connections to the rsyslog server.

Any advices on how to make it more efficient ?

apache-2.4

1 Answers

  1. Best Answer

    Assuming all the logs go to the same server, I believe you can avoid this by having a single CustomLog entry in the main part of the server configuration, not in each VirtualHost. You can use a single LogFormat using %v to have the virtual hostname in the message if you need it for further processing at the rsyslog receiver. See the discussion under File Descriptor Limits.

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