Can syslog Performance Be Improved?

Question

We have an application on Linux that used the syslog mechanism. After a week spent trying to figure out why this application was running slower than expected, we discovered tha

Answer 1

You can configure syslogd (and rsyslog at least) not to sync the log files after a log message by prepending a "-" to the log file path in the configuration file. This speeds up performance at the expense of the danger that log messages could be lost in a crash.