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https://issues.apache.org/jira/browse/FLINK-6280?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15976625#comment-15976625
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ASF GitHub Bot commented on FLINK-6280:
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Github user greghogan commented on the issue:
https://github.com/apache/flink/pull/3701
@StephanEwen added some documentation covering use and examples.
> 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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