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https://issues.apache.org/jira/browse/FLINK-6280?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15975013#comment-15975013
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ASF GitHub Bot commented on FLINK-6280:
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Github user StephanEwen commented on the issue:
https://github.com/apache/flink/pull/3701
Can you explain a bit more what this change does exactly? Does it make sure
that if you put bash commands into the java opts to compute flags, it evaluates
those?
Can you elaborate why this needs a change in the log rotation logic?
> Allow logging with Java flags
> -----------------------------
>
> Key: FLINK-6280
> URL: https://issues.apache.org/jira/browse/FLINK-6280
> Project: Flink
> Issue Type: Improvement
> Components: Startup Shell Scripts
> Affects Versions: 1.3.0
> Reporter: Greg Hogan
> Assignee: Greg Hogan
>
> Allow configuring Flink's Java options with the logging prefix and log
> rotation. For example, this allows the following configurations to write
> {{.jfr}} and {{.jit}} files alongside the existing {{.log}} and {{.out}}
> files.
> {code:language=bash|title=Configuration for Java Flight Recorder}
> env.java.opts: "-XX:+UnlockCommercialFeatures -XX:+UnlockDiagnosticVMOptions
> -XX:+FlightRecorder -XX:+DebugNonSafepoints
> -XX:FlightRecorderOptions=defaultrecording=true,dumponexit=true,dumponexitpath=${LOG_PREFIX}.jfr"
> {code}
> {code:language=bash|title=Configuration for JitWatch}
> env.java.opts: "-XX:+UnlockDiagnosticVMOptions -XX:+TraceClassLoading
> -XX:+LogCompilation -XX:LogFile=${LOG_PREFIX}.jit -XX:+PrintAssembly"
> {code}
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