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Поскольку logrotate— это FOSS, вы можете просто загрузить исходный код и прочитать его. В Ubuntu система упаковки говорит:

walt@bat:~(0)$ apt-cache show logrotate
Package: logrotate
Architecture: amd64
Version: 3.8.7-2ubuntu2.16.04.2
Priority: important
Section: admin
Origin: Ubuntu
Maintainer: Ubuntu Developers <ubuntu-devel-discuss@lists.ubuntu.com>
Original-Maintainer: Paul Martin <pm@debian.org>
Bugs: https://bugs.launchpad.net/ubuntu/+filebug
Installed-Size: 113
Depends: libacl1 (>= 2.2.51-8), libc6 (>= 2.14), libpopt0 (>= 1.14), libselinux1 (>= 1.32), cron | anacron | cron-daemon, base-passwd (>= 2.0.3.4)
Suggests: mailx
Breaks: postgresql-common (<= 126)
Filename: pool/main/l/logrotate/logrotate_3.8.7-2ubuntu2.16.04.2_amd64.deb
Size: 37660
MD5sum: ae3cf957775ac5c9e72604ac80b71e24
SHA1: 78687a0db41fad8b25b9aaa0f9e9e01739cb6136
SHA256: 4089998610e24a849d0286f1a657a714e7f3fe249f82eef3896778054ea1753e
Homepage: https://fedorahosted.org/logrotate/
Description-en: Log rotation utility
 The logrotate utility is designed to simplify the administration of
 log files on a system which generates a lot of log files.  Logrotate
 allows for the automatic rotation compression, removal and mailing of
 log files.  Logrotate can be set to handle a log file daily, weekly,
 monthly or when the log file gets to a certain size.  Normally, logrotate
 runs as a daily cron job.
Description-md5: bb73169bb75b2b8a2fda1453d214416d
Task: minimal
Supported: 5y

Package: logrotate
Priority: important
Section: admin
Installed-Size: 113
Maintainer: Ubuntu Developers <ubuntu-devel-discuss@lists.ubuntu.com>
Original-Maintainer: Paul Martin <pm@debian.org>
Architecture: amd64
Version: 3.8.7-2ubuntu2
Depends: libacl1 (>= 2.2.51-8), libc6 (>= 2.14), libpopt0 (>= 1.14), libselinux1 (>= 1.32), cron | anacron | cron-daemon, base-passwd (>= 2.0.3.4)
Suggests: mailx
Breaks: postgresql-common (<= 126)
Filename: pool/main/l/logrotate/logrotate_3.8.7-2ubuntu2_amd64.deb
Size: 37642
MD5sum: 858f35a2a3eec8dc07e9896f8a905981
SHA1: 18802ca05d004b4d70aa400920668f71af98b47e
SHA256: bc370a2003b18b1761adceed2fdf575122117cbf17edc6de377d64dc01623d6e
Description-en: Log rotation utility
 The logrotate utility is designed to simplify the administration of
Since `logrotate` is FOSS, you could just dowload the source and read it. On Ubuntu.  log files on a system which generates a lot of log files.  Logrotate
 allows for the automatic rotation compression, removal and mailing of
 log files.  Logrotate can be set to handle a log file daily, weekly,
 monthly or when the log file gets to a certain size.  Normally, logrotate
 runs as a daily cron job.
Description-md5: bb73169bb75b2b8a2fda1453d214416d
Homepage: https://fedorahosted.org/logrotate/
Bugs: https://bugs.launchpad.net/ubuntu/+filebug
Origin: Ubuntu
Supported: 5y
Task: minimal

Homepage: https://fedorahosted.org/logrotate/является хорошей отправной точкой.

Хороший метод logrotateзаключается в том, чтобы принудительно закрыть текущий файл журнала и открыть новый. Это можно сделать с помощью signalsили (остановив сервер; переименовав файл журнала; запустив сервер ).