wsry commented on a change in pull request #11877:
URL: https://github.com/apache/flink/pull/11877#discussion_r665082678
##########
File path:
flink-runtime/src/main/java/org/apache/flink/runtime/io/network/netty/NetworkBufferAllocator.java
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@@ -69,6 +69,9 @@ Buffer allocatePooledNetworkBuffer(InputChannelID receiverId)
{
* @return The un-pooled network buffer.
*/
Buffer allocateUnPooledNetworkBuffer(int size, Buffer.DataType dataType) {
+ if (size <= 0) {
+ return null;
+ }
Review comment:
This method is used to allocate unpooled buffer for event, the size must
be positive. I will replace it with a argument check.
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