reswqa commented on code in PR #20293:
URL: https://github.com/apache/flink/pull/20293#discussion_r926896614
##########
flink-runtime/src/main/java/org/apache/flink/runtime/io/network/partition/hybrid/HsMemoryDataSpiller.java:
##########
@@ -41,7 +43,15 @@ public class HsMemoryDataSpiller implements AutoCloseable {
/** One thread to perform spill operation. */
private final ExecutorService ioExecutor =
Executors.newSingleThreadScheduledExecutor(
- new ThreadFactoryBuilder().setNameFormat("hybrid spiller
thread").build());
+ new ThreadFactoryBuilder()
+ .setNameFormat("hybrid spiller thread")
+ // It is more appropriate to use task fail over
than exit JVM here,
+ // but the task thread will bring some extra
overhead to check the
+ // exception information set by other thread. As
the spiller thread will
+ // not encounter exceptions in most cases, we
temporarily choose the
+ // form of fatal error to deal except thrown by
spiller thread.
+
.setUncaughtExceptionHandler(FatalExitExceptionHandler.INSTANCE)
+ .build());
Review Comment:
ok, changes about spiller are separate to a single hot-fix commit.
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