zhangshuyan0 commented on code in PR #5743:
URL: https://github.com/apache/hadoop/pull/5743#discussion_r1229201352
##########
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/SequentialBlockGroupIdGenerator.java:
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@@ -51,7 +51,7 @@ public class SequentialBlockGroupIdGenerator extends
SequentialNumber {
}
@Override // NumberGenerator
- public long nextValue() {
+ synchronized public long nextValue() {
Review Comment:
Fixed.
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