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https://issues.apache.org/jira/browse/RANGER-3632?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17504078#comment-17504078
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kirby zhou commented on RANGER-3632:
------------------------------------
Notes of patch
1. add options of access_log
# set it to false will disable log rotation
ranger.accesslog.rotate.enabled = true on default
# set it to true will result in the current access log name without dateformat.
ranger.accesslog.rotate.rename_on_rotate = false on default
2. rename max.days to max_days, make the name look more comfortable
ranger.accesslog.rotate.max_days = 15
3. move "-" from default prefix to default dateformat
# It can helps for using access log name without dateformat
valve.setPrefix(EmbeddedServerUtil.getConfig(ACCESS_LOG_PREFIX,"access-" +
hostName));
valve.setFileDateFormat(EmbeddedServerUtil.getConfig(ACCESS_LOG_DATE_FORMAT,
"-yyyy-MM-dd.HH"));
4. mv ews/webapp/WEB-INF/logback.xml to ews/webapp/WEB-INF/classes/conf[.dist]
# It can helps person to adjust log options easier.
5. add "%D" to default access-log
# It can help admins to get timecost from access-log instead of expansive perf
log.
6. fix a lot of log4j name remains to logback.
> Improve ranger logs, RENAME_ON_ROTATE and others
> -------------------------------------------------
>
> Key: RANGER-3632
> URL: https://issues.apache.org/jira/browse/RANGER-3632
> Project: Ranger
> Issue Type: Improvement
> Components: admin, kms
> Affects Versions: 3.0.0, 2.3.0
> Reporter: kirby zhou
> Assignee: kirby zhou
> Priority: Major
> Fix For: 3.0.0, 2.3.0
>
>
> Currently, the filename of the access-log in use has a timestamp as the
> suffix. This brings trouble to some log monitoring and analysis programs,
> such as "tail -f access-log"
> Need to add an option to enable tomcat's RenameOnRotate capability to fix the
> file name of access-log.
>
> {code:java}
> // in EmbeddedServer::start()
> valve.setRenameOnRotate(
> EmbeddedServerUtil.getConfig(ACCESS_LOG_RENAME_ON_ROTATE, false);
> );{code}
>
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