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https://issues.apache.org/jira/browse/FLINK-17503?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Till Rohrmann reassigned FLINK-17503:
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Assignee: Matthias (was: Manish Ghildiyal)
> Make memory configuration logging more user-friendly
> ----------------------------------------------------
>
> Key: FLINK-17503
> URL: https://issues.apache.org/jira/browse/FLINK-17503
> Project: Flink
> Issue Type: Improvement
> Components: Runtime / Coordination
> Affects Versions: 1.10.0
> Reporter: Till Rohrmann
> Assignee: Matthias
> Priority: Major
> Labels: usability
> Fix For: 1.10.2, 1.12.0, 1.11.2
>
>
> The newly introduced memory configuration logs some output when using the
> Mini Cluster (or local environment):
> {code}
> 2020-05-04 11:50:05,984 INFO
> org.apache.flink.runtime.taskexecutor.TaskExecutorResourceUtils [] - The
> configuration option Key: 'taskmanager.cpu.cores' , default: null (fallback
> keys: []) required for local execution is not set, setting it to its default
> value 1.7976931348623157E308
> 2020-05-04 11:50:05,989 INFO
> org.apache.flink.runtime.taskexecutor.TaskExecutorResourceUtils [] - The
> configuration option Key: 'taskmanager.memory.task.heap.size' , default: null
> (fallback keys: []) required for local execution is not set, setting it to
> its default value 9223372036854775807 bytes
> 2020-05-04 11:50:05,989 INFO
> org.apache.flink.runtime.taskexecutor.TaskExecutorResourceUtils [] - The
> configuration option Key: 'taskmanager.memory.task.off-heap.size' , default:
> 0 bytes (fallback keys: []) required for local execution is not set, setting
> it to its default value 9223372036854775807 bytes
> 2020-05-04 11:50:05,990 INFO
> org.apache.flink.runtime.taskexecutor.TaskExecutorResourceUtils [] - The
> configuration option Key: 'taskmanager.memory.network.min' , default: 64 mb
> (fallback keys: [{key=taskmanager.network.memory.min, isDeprecated=true}])
> required for local execution is not set, setting it to its default value 64 mb
> 2020-05-04 11:50:05,990 INFO
> org.apache.flink.runtime.taskexecutor.TaskExecutorResourceUtils [] - The
> configuration option Key: 'taskmanager.memory.network.max' , default: 1 gb
> (fallback keys: [{key=taskmanager.network.memory.max, isDeprecated=true}])
> required for local execution is not set, setting it to its default value 64 mb
> 2020-05-04 11:50:05,991 INFO
> org.apache.flink.runtime.taskexecutor.TaskExecutorResourceUtils [] - The
> configuration option Key: 'taskmanager.memory.managed.size' , default: null
> (fallback keys: [{key=taskmanager.memory.size, isDeprecated=true}]) required
> for local execution is not set, setting it to its default value 128 mb
> {code}
> This logging output could be made more user-friendly the following way:
> * Print only the key string of a {{ConfigOption}}, not the config option
> object with all the deprecated keys
> * Skipping the lines for {{taskmanager.memory.task.heap.size}} and
> {{taskmanager.memory.task.off-heap.size}} - we don't really set them (they
> are JVM paramaters) and the printing of long max looks strange (user would
> have to know these are place holders without effect).
> * Maybe similarly skipping the CPU cores value, this looks the strangest
> (double max).
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