ashutoshcipher commented on code in PR #4248:
URL: https://github.com/apache/hadoop/pull/4248#discussion_r946109580
##########
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapred/lib/MultipleOutputs.java:
##########
@@ -528,8 +545,33 @@ public void collect(Object key, Object value) throws
IOException {
* could not be closed properly.
*/
public void close() throws IOException {
+ int nThreads = 10;
+ AtomicReference<IOException> ioException = new AtomicReference<>();
+ ExecutorService executorService = Executors.newFixedThreadPool(nThreads);
+
+ List<Callable<Object>> callableList = new ArrayList<>();
+
for (RecordWriter writer : recordWriters.values()) {
- writer.close(null);
+ callableList.add(() -> {
+ try {
+ writer.close(null);
+ throw new IOException();
+ } catch (IOException e) {
+ ioException.set(e);
+ }
+ return null;
+ });
+ }
+ try {
+ executorService.invokeAll(callableList);
+ } catch (InterruptedException e) {
+ Thread.currentThread().interrupt();
+ } finally {
+ executorService.shutdown();
Review Comment:
Addressed.
##########
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapred/lib/MultipleOutputs.java:
##########
@@ -528,8 +545,33 @@ public void collect(Object key, Object value) throws
IOException {
* could not be closed properly.
*/
public void close() throws IOException {
+ int nThreads = 10;
+ AtomicReference<IOException> ioException = new AtomicReference<>();
+ ExecutorService executorService = Executors.newFixedThreadPool(nThreads);
Review Comment:
Done
##########
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapred/lib/MultipleOutputs.java:
##########
@@ -528,8 +545,33 @@ public void collect(Object key, Object value) throws
IOException {
* could not be closed properly.
*/
public void close() throws IOException {
+ int nThreads = 10;
+ AtomicReference<IOException> ioException = new AtomicReference<>();
+ ExecutorService executorService = Executors.newFixedThreadPool(nThreads);
+
+ List<Callable<Object>> callableList = new ArrayList<>();
+
for (RecordWriter writer : recordWriters.values()) {
- writer.close(null);
+ callableList.add(() -> {
+ try {
+ writer.close(null);
+ throw new IOException();
+ } catch (IOException e) {
+ ioException.set(e);
+ }
+ return null;
+ });
+ }
+ try {
+ executorService.invokeAll(callableList);
+ } catch (InterruptedException e) {
+ Thread.currentThread().interrupt();
Review Comment:
Done
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