[jira] [Created] (FLINK-17677) FLINK_LOG_PREFIX recommended in docs is not always available

["Xintong Song (Jira)" <ji...@apache.org>]

Xintong Song created FLINK-17677:
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             Summary: FLINK_LOG_PREFIX recommended in docs is not always available
                 Key: FLINK-17677
                 URL: https://issues.apache.org/jira/browse/FLINK-17677
             Project: Flink
          Issue Type: Bug
          Components: Documentation
    Affects Versions: 1.10.1, 1.9.3, 1.11.0
            Reporter: Xintong Song
             Fix For: 1.11.0, 1.10.2, 1.9.4


The [Application Profiling & Debugging|https://ci.apache.org/projects/flink/flink-docs-master/monitoring/application_profiling.html] documentation recommend to use the script variable {{FLINK_LOG_PREFIX}} for defining log file paths. However, this variable is only available in standalone mode. This is a bit misleading for users of other deployments (see this [thread|http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/Flink-Memory-analyze-on-AWS-EMR-td35036.html]).

I propose to replace {{FLINK_LOG_PREFIX}} with a general representation {{<your-log-path>}}, and add a separate section to discuss how to set the log path (e.g., use {{FLINK_LOG_PREFIX}} with standalone deployments and {{<LOG_DIR>}} with Yarn deployments).



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