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https://issues.apache.org/jira/browse/FLINK-2247?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15447477#comment-15447477
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Neelesh Srinivas Salian commented on FLINK-2247:
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Hi [~tvas], please let me know if this is still valid.
> Improve the way memory is reported in the web frontend
> ------------------------------------------------------
>
> Key: FLINK-2247
> URL: https://issues.apache.org/jira/browse/FLINK-2247
> Project: Flink
> Issue Type: Improvement
> Components: Webfrontend
> Reporter: Theodore Vasiloudis
> Priority: Trivial
>
> Currently in the taskmanager view of the web frontend, the memory available
> to Flink is reported in a slightly confusing manner.
> In the worker summary, we get a report of the Flink Managed memory available,
> and we get warnings when that is set too low.
> The warnings though seem to be not taking the memory available to Flink when
> being issued.
> For example, in a machine with 7.5GB memory available it is normal to assign
> ~6GB for the JVM, which under default settings gives ~4GB to Flink managed
> memory.
> In this case however, we get a warning that 7500MB of memory is available,
> but only ~$4000MB is available to Flink, disregarding the total amount
> available to the JVM.
> The reporting can then be improved by reporting the total amount available
> for the JVM, the amount available for Flink's managed memory, and only issue
> warnings when the settings are actually low compared to the available memory.
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