CrynetLogistics commented on a change in pull request #18651:
URL: https://github.com/apache/flink/pull/18651#discussion_r814210933
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File path:
flink-connectors/flink-connector-base/src/main/java/org/apache/flink/connector/base/sink/writer/AsyncSinkWriter.java
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@@ -290,17 +290,33 @@ private void registerCallback() {
@Override
public void write(InputT element, Context context) throws IOException,
InterruptedException {
while (bufferedRequestEntries.size() >= maxBufferedRequests) {
- mailboxExecutor.tryYield();
+ flush();
}
addEntryToBuffer(elementConverter.apply(element, context), false);
- flushIfAble();
+ nonBlockingFlush();
}
- private void flushIfAble() {
- while (bufferedRequestEntries.size() >= maxBatchSize
- || bufferedRequestEntriesTotalSizeInBytes >=
maxBatchSizeInBytes) {
+ /**
+ * Determines if a call to flush will be non-blocking (i.e. {@code
inFlightRequestsCount} is
+ * strictly smaller than {@code maxInFlightRequests}). Also requires one
of the following
+ * requirements to be met:
+ *
+ * <ul>
+ * <li>The number of elements buffered is greater than or equal to the
{@code maxBatchSize}
+ * <li>The sum of the size in bytes of all records in the buffer is
greater than or equal to
+ * {@code maxBatchSizeInBytes}
+ * </ul>
+ */
+ private void nonBlockingFlush() {
+ boolean uncompletedInFlightResponses = true;
+ while (uncompletedInFlightResponses) {
+ uncompletedInFlightResponses = mailboxExecutor.tryYield();
+ }
Review comment:
I agree. Thank you. This is wonderful.
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