Github user zentol commented on a diff in the pull request:
https://github.com/apache/flink/pull/3721#discussion_r111983754
--- Diff:
flink-runtime/src/main/java/org/apache/flink/runtime/taskexecutor/TaskManagerServices.java
---
@@ -410,24 +410,47 @@ private static NetworkEnvironment
createNetworkEnvironment(
*
* @return memory to use for network buffers (in bytes)
*/
+ @SuppressWarnings("deprecation")
public static long calculateNetworkBuf(long totalJavaMemorySize,
Configuration config) {
+ assert totalJavaMemorySize > 0;
--- End diff --
use Preconditions instead?
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