zhouyejoe commented on a change in pull request #33078:
URL: https://github.com/apache/spark/pull/33078#discussion_r672026908
##########
File path:
common/network-shuffle/src/main/java/org/apache/spark/network/shuffle/RemoteBlockPushResolver.java
##########
@@ -112,34 +118,59 @@ public ShuffleIndexInformation load(File file) throws
IOException {
this.errorHandler = new ErrorHandler.BlockPushErrorHandler();
}
+ @VisibleForTesting
+ protected AppShuffleInfo validateAndGetAppShuffleInfo(String appId) {
+ // TODO: [SPARK-33236] Change the message when this service is able to
handle NM restart
+ AppShuffleInfo appShuffleInfo = appsShuffleInfo.get(appId);
+ Preconditions.checkArgument(appShuffleInfo != null,
+ "application " + appId + " is not registered or NM was restarted.");
+ return appShuffleInfo;
+ }
+
/**
- * Given the appShuffleId and reduceId that uniquely identifies a given
shuffle partition of an
- * application, retrieves the associated metadata. If not present and the
corresponding merged
- * shuffle does not exist, initializes the metadata.
+ * Given the appShuffleInfo, shuffleId and reduceId that uniquely identifies
a given shuffle
+ * partition of an application, retrieves the associated metadata. If not
present and the
+ * corresponding merged shuffle does not exist, initializes the metadata.
*/
private AppShufflePartitionInfo getOrCreateAppShufflePartitionInfo(
- AppShuffleId appShuffleId,
+ AppShuffleInfo appShuffleInfo,
+ int shuffleId,
int reduceId) {
- File dataFile = getMergedShuffleDataFile(appShuffleId, reduceId);
- if (!partitions.containsKey(appShuffleId) && dataFile.exists()) {
- // If this partition is already finalized then the partitions map will
not contain
- // the appShuffleId but the data file would exist. In that case the
block is considered late.
+ File dataFile = appShuffleInfo.getMergedShuffleDataFile(shuffleId,
reduceId);
+ ConcurrentMap<Integer, Map<Integer, AppShufflePartitionInfo>> partitions =
+ appShuffleInfo.partitions;
+ Map<Integer, AppShufflePartitionInfo> shufflePartitions =
+ partitions.compute(shuffleId, (id, map) -> {
+ if (map == null) {
+ // If this partition is already finalized then the partitions map
will not contain the
+ // shuffleId but the data file would exist. In that case the block
is considered late.
+ if (dataFile.exists()) {
+ return null;
+ }
+ return new ConcurrentHashMap<>();
Review comment:
@Ngone51 Can you be more specific? Which one to a static field? Thanks.
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