tasanuma commented on code in PR #4901:
URL: https://github.com/apache/hadoop/pull/4901#discussion_r976232952
##########
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/erasurecode/StripedReconstructor.java:
##########
@@ -288,6 +292,10 @@ RawErasureDecoder getDecoder() {
return decoder;
}
+ int getIndicesNum(){
+ return liveIndiceNum;
+ }
+
Review Comment:
@Kidd53685368 Thanks for your PR.
How about using `BitSet#cardinality` instead of calculating `liveIndiceNum`?
```suggestion
int getNumLiveBlocks(){
return liveBitSet.cardinality();
}
```
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