vinothchandar commented on a change in pull request #1091: [HUDI-389] Fixing
Index look up to return right partitions for a given key along with fileId with
Global Bloom
URL: https://github.com/apache/incubator-hudi/pull/1091#discussion_r357207910
##########
File path:
hudi-client/src/main/java/org/apache/hudi/index/bloom/HoodieGlobalBloomIndex.java
##########
@@ -98,26 +100,34 @@ public HoodieGlobalBloomIndex(HoodieWriteConfig config) {
String recordKey = partitionRecordKeyPair._2();
String partitionPath = partitionRecordKeyPair._1();
- return indexFileFilter.getMatchingFiles(partitionPath,
recordKey).stream()
- .map(file -> new Tuple2<>(file, new HoodieKey(recordKey,
indexToPartitionMap.get(file))))
+ return indexFileFilter.getMatchingFilesAndPartition(partitionPath,
recordKey).stream()
+ .map(partitionFileIdPair -> new
Tuple2<>(partitionFileIdPair.getRight(),
+ new HoodieKey(recordKey, partitionFileIdPair.getLeft())))
.collect(Collectors.toList());
}).flatMap(List::iterator);
}
-
/**
* Tagging for global index should only consider the record key.
*/
@Override
protected JavaRDD<HoodieRecord<T>> tagLocationBacktoRecords(
JavaPairRDD<HoodieKey, HoodieRecordLocation> keyFilenamePairRDD,
JavaRDD<HoodieRecord<T>> recordRDD) {
- JavaPairRDD<String, HoodieRecord<T>> rowKeyRecordPairRDD =
- recordRDD.mapToPair(record -> new Tuple2<>(record.getRecordKey(),
record));
- // Here as the recordRDD might have more data than rowKeyRDD (some
rowKeys' fileId is null),
- // so we do left outer join.
- return rowKeyRecordPairRDD.leftOuterJoin(keyFilenamePairRDD.mapToPair(p ->
new Tuple2<>(p._1.getRecordKey(), p._2)))
- .values().map(value -> getTaggedRecord(value._1,
Option.ofNullable(value._2.orNull())));
+ Map<String, Pair<HoodieKey, HoodieRecordLocation>> keyMap =
keyFilenamePairRDD
Review comment:
this will bring all keys into memory and OOM the driver.. we need to rethink
this.
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