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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} -- This message was sent by Atlassian JIRA (v7.6.3#76005)