johnyangk commented on a change in pull request #223: [NEMO-388] Off-heap
memory management (reuse ByteBuffer)
URL: https://github.com/apache/incubator-nemo/pull/223#discussion_r310452522
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File path:
runtime/executor/src/main/java/org/apache/nemo/runtime/executor/bytetransfer/ByteOutputContext.java
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@@ -139,6 +137,7 @@ void ensureNoException() throws IOException {
private volatile boolean newSubStream = true;
private volatile boolean closed = false;
+ private SerializedPartition partitionToRelease = null;
Review comment:
Please remove.
1. To minimize class fields
2. To avoid null assignments
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