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authorVito Caputo <vito.caputo@coreos.com>2016-01-08 12:11:44 -0800
committerVito Caputo <vito.caputo@coreos.com>2016-01-08 14:00:04 -0800
commit48cef29504b1ffc0df9929f2d8b2af2ad74d2b4a (patch)
tree386f0cd38fff3ed8723701265a29b66cecfe6548 /src/core
parentcf6c8c46fceac83dfb3f2d55fae5220e60841553 (diff)
journal: normalize priority of logging sources
The stream event source has a priority of SD_EVENT_PRIORITY_NORMAL+5, and stdout source +10, but the native and syslog event sources are left at the default of 0. As a result, any heavy native or syslog logger can cause starvation of the other loggers. This is trivially demonstrated by running: dd if=/dev/urandom bs=8k | od | systemd-cat & # native spammer systemd-run echo hello & # stream logger journalctl --follow --output=verbose --no-pager --identifier=echo & ... and wait, and wait, the "hello" never comes. Now kill %1, "hello" arrives finally.
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