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https://issues.apache.org/jira/browse/FLINK-9536?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17073582#comment-17073582
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John Lonergan commented on FLINK-9536:
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Re access to multiple rolled logs or chunking a single log..
Any suggestions on how folk would like this to work functionally and from the
perspective of the UI?
Might do a PR.
> Rolling logs using log4j.properties, prevents them from showing on the UI.
> ---------------------------------------------------------------------------
>
> Key: FLINK-9536
> URL: https://issues.apache.org/jira/browse/FLINK-9536
> Project: Flink
> Issue Type: Bug
> Components: Runtime / Web Frontend
> Affects Versions: 1.4.2
> Reporter: SUBRAMANYA SURESH
> Assignee: vinoyang
> Priority: Major
>
> Based on this https://issues.apache.org/jira/browse/FLINK-9471 we are forced
> to keep INFO for packages like org.apache.flink.runtime.executiongraph,
> despite their verbosity. An attempt to roll these logs, so that they do not
> fill the disk, leads to them not showing up in the UI (JobManager logs or
> TaskManager logs). The log4j.properties attempted is below.
> log4j.rootLogger=WARN, SizeBasedRollingFile
> log4j.logger.org.apache.flink=INFO
> # Suppress the irrelevant (wrong) warnings from the Netty channel handler
>
> log4j.logger.org.apache.flink.shaded.akka.org.jboss.netty.channel.DefaultChannelPipeline=ERROR
> log4j.logger.com.myPackage=INFO, DateBasedRollingFile
> log4j.appender.SizeBasedRollingFile=org.apache.log4j.RollingFileAppender
> log4j.appender.SizeBasedRollingFile.File=${log.file}
> log4j.appender.SizeBasedRollingFile.maxFileSize=10000
> log4j.appender.SizeBasedRollingFile.maxBackupIndex=10
> log4j.appender.SizeBasedRollingFile.layout=org.apache.log4j.PatternLayout
> log4j.appender.SizeBasedRollingFile.layout.ConversionPattern=%d\{yyyy-MM-dd
> HH:mm:ss} %-5p %-60c - %m%n
>
> log4j.appender.DateBasedRollingFile=org.apache.log4j.DailyRollingFileAppender
> log4j.appender.DateBasedRollingFile.File=${log.file}-application
> log4j.appender.DateBasedRollingFile.DatePattern='.'yyyy-MM-dd-HH-mm-ss
> log4j.appender.DateBasedRollingFile.layout=org.apache.log4j.PatternLayout
> log4j.appender.DateBasedRollingFile.layout.ConversionPattern=%d\{yyyy-MM-dd
> HH:mm:ss} %-5p %-60c - %m%n
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