Github user StephanEwen commented on a diff in the pull request:
https://github.com/apache/flink/pull/854#discussion_r34425008
--- Diff:
flink-runtime/src/main/java/org/apache/flink/runtime/operators/GroupReduceCombineDriver.java
---
@@ -170,7 +171,14 @@ public void run() throws Exception {
// write the value again
if (!this.sorter.write(value)) {
- throw new IOException("Cannot write record to
fresh sort buffer. Record too large.");
+ if (oversizedRecordCount == Long.MAX_VALUE) {
--- End diff --
I think we can skip this test. It's going to be very hard to process 2^63
oversized records in a single Flink thread. Might take a millennium or so ;-)
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