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https://issues.apache.org/jira/browse/FLINK-6469?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16521986#comment-16521986
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ASF GitHub Bot commented on FLINK-6469:
---------------------------------------
Github user dawidwys commented on a diff in the pull request:
https://github.com/apache/flink/pull/5448#discussion_r197708483
--- Diff:
flink-runtime/src/main/java/org/apache/flink/runtime/taskexecutor/TaskManagerServices.java
---
@@ -482,14 +484,15 @@ private static NetworkEnvironment
createNetworkEnvironment(
public static long calculateNetworkBufferMemory(long
totalJavaMemorySize, Configuration config) {
Preconditions.checkArgument(totalJavaMemorySize > 0);
- int segmentSize =
config.getInteger(TaskManagerOptions.MEMORY_SEGMENT_SIZE);
+ int segmentSize = (int)
MemorySize.parse(config.getString(TaskManagerOptions.MEMORY_SEGMENT_SIZE)).getBytes();
--- End diff --
Use `checkedDownCast`
> Configure Memory Sizes with units
> ---------------------------------
>
> Key: FLINK-6469
> URL: https://issues.apache.org/jira/browse/FLINK-6469
> Project: Flink
> Issue Type: Improvement
> Components: Core
> Reporter: Stephan Ewen
> Assignee: vinoyang
> Priority: Major
> Labels: pull-request-available
>
> Currently, memory sizes are configured by pure numbers, the interpretation is
> different from configuration parameter to parameter.
> For example, heap sizes are configured in megabytes, network buffer memory is
> configured in bytes, alignment thresholds are configured in bytes.
> I propose to configure all memory parameters the same way, with units similar
> to time. The JVM itself configured heap size similarly: {{Xmx5g}} or
> {{Xmx2000m}}.
> {code}
> 10000 -> bytes
> 10 kb
> 64 mb
> 1 gb
> ...
> {code}
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