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https://issues.apache.org/jira/browse/HDFS-17612?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17879407#comment-17879407
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LoggingResearch commented on HDFS-17612:
----------------------------------------
To make it clear on how to fix the issue, we upload the comparison between the
original version and the log-enhanced version in the attached file
`original-vs-log-enhanced.md`. The log-enhanced version is generated
automatically utilizing our proposed tool.
> Expose Configuration Parameter Relationships in HeartbeatManager
> ----------------------------------------------------------------
>
> Key: HDFS-17612
> URL: https://issues.apache.org/jira/browse/HDFS-17612
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: hdfs
> Affects Versions: 3.3.6
> Environment: Version: {{3.3.6}}
> Location:
> {{{}hadoop/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/HeartbeatManager.java{}}},
> in {{<init>}} method, lines 83-144.
> Reporter: LoggingResearch
> Priority: Major
> Attachments: TestHeartbeatHandling.java, original-vs-log-enhanced.md
>
>
> When initializing the {{{}HeartbeatManager{}}}, if the configuration
> parameter {{dfs.namenode.heartbeat.recheck-interval}} is greater than
> {{{}dfs.namenode.stale.datanode.interval{}}}, the heartbeat recheck interval
> is adjusted to match the stale datanode interval. However, the original
> implementation only logs a message when this adjustment occurs, leaving other
> configurations without any feedback, even when the parameters are not
> properly aligned. This can lead to a lack of transparency and understanding
> for the end-users who might be unaware of the parameter relationship or have
> misconfigured values.
>
> *Expected Behavior:*
> The system should log detailed information about the relationships between
> configuration parameters, especially when their values do not align with the
> expected behavior. This will help users ensure that the configurations are
> set correctly.
>
> *How-to-Fix:* We propose adding enhanced logging to clearly expose the
> relationships between the configuration parameters. This will ensure users
> are informed about the implications of their settings.
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