zhijiangW commented on a change in pull request #7438: [FLINK-11282][network]
Merge StreamRecordWriter into RecordWriter
URL: https://github.com/apache/flink/pull/7438#discussion_r246626579
##########
File path:
flink-runtime/src/main/java/org/apache/flink/runtime/io/network/api/writer/RecordWriter.java
##########
@@ -72,17 +73,29 @@
private Counter numBuffersOut = new SimpleCounter();
+ /** Default name for teh output flush thread, if no name with a task
reference is given. */
+ private static final String DEFAULT_OUTPUT_FLUSH_THREAD_NAME =
"OutputFlusher";
+
+ /** The thread that periodically flushes the output, to give an upper
latency bound. */
+ private final OutputFlusher outputFlusher;
+
+ /** The exception encountered in the flushing thread. */
+ private Throwable flusherException;
Review comment:
`AtomicReference<Throwable>` can be a final variable which seems more better
if not affect performance.
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