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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_r191197602 --- Diff: flink-runtime/src/main/java/org/apache/flink/runtime/taskexecutor/TaskManagerServices.java --- @@ -647,7 +649,16 @@ public static long calculateHeapSizeMB(long totalJavaMemorySizeMB, Configuration final long heapSizeMB; if (useOffHeap) { - long offHeapSize = config.getLong(TaskManagerOptions.MANAGED_MEMORY_SIZE); + String managedMemorySizeDefaultVal = TaskManagerOptions.MANAGED_MEMORY_SIZE.defaultValue(); + long offHeapSize = 0; + try { + offHeapSize = Long.valueOf(managedMemorySizeDefaultVal); + if (!config.getString(TaskManagerOptions.MANAGED_MEMORY_SIZE).equals(managedMemorySizeDefaultVal)) { + offHeapSize = MemorySize.parse(config.getString(TaskManagerOptions.MANAGED_MEMORY_SIZE)).getMebiBytes(); + } + } catch (IllegalArgumentException e) { + --- End diff -- Rethrow with IllegalConfigurationException with a pointer that `MANAGED_MEMORY_SIZE` was badly configured. > 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 > > 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)