masteryhx commented on code in PR #21468:
URL: https://github.com/apache/flink/pull/21468#discussion_r1051733639
##########
flink-state-backends/flink-statebackend-changelog/src/main/java/org/apache/flink/state/changelog/KvStateChangeLoggerImpl.java:
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@@ -78,21 +79,25 @@ public void namespacesMerged(Ns target, Collection<Ns>
sources) throws IOExcepti
}
@Override
- protected void serializeValue(Value value, DataOutputViewStreamWrapper
out) throws IOException {
+ protected void serializeValue(Value value, DataOutputView out) throws
IOException {
valueSerializer.serialize(value, out);
}
@Override
- protected void serializeScope(Ns ns, DataOutputViewStreamWrapper out)
throws IOException {
+ protected void serializeScope(Ns ns, DataOutputView out) throws
IOException {
keySerializer.serialize(keyContext.getCurrentKey(), out);
namespaceSerializer.serialize(ns, out);
}
- protected void writeDefaultValueAndTtl(DataOutputViewStreamWrapper out)
throws IOException {
+ protected void writeDefaultValueAndTtl(DataOutputView out) throws
IOException {
out.writeBoolean(ttlConfig.isEnabled());
if (ttlConfig.isEnabled()) {
- try (ObjectOutputStream o = new ObjectOutputStream(out)) {
- o.writeObject(ttlConfig);
+ try (ByteArrayOutputStreamWithPos outputStreamWithPos =
+ new ByteArrayOutputStreamWithPos();
Review Comment:
Actually, I used `ByteArrayOutputStreamWithPos` because it's Un-synchronized
but `ByteArrayOutputStream` is synchronized which is unnecessary.
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