dawidwys commented on a change in pull request #17440:
URL: https://github.com/apache/flink/pull/17440#discussion_r725972098
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File path:
flink-streaming-java/src/main/java/org/apache/flink/streaming/runtime/tasks/StreamTask.java
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@@ -788,9 +788,14 @@ private void scheduleBufferDebloater() {
@VisibleForTesting
void debloat() {
- long throughput = throughputCalculator.calculateThroughput();
- if (bufferDebloater != null) {
- bufferDebloater.recalculateBufferSize(throughput);
+ try {
+ long throughput = throughputCalculator.calculateThroughput();
+ if (bufferDebloater != null) {
+ bufferDebloater.recalculateBufferSize(throughput);
+ }
+ // Don't fail the further calculation if the current one fails.
+ } catch (Throwable ex) {
+ LOG.error("Throughput calculation fails, try next time.", ex);
Review comment:
Is it an error if we continue processing? IMO, at best it should be
`warn`, I am event thinking if it shouldn't be just a `debug`. What are users
supposed to do with the line in logs?
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