duongkame commented on code in PR #4772:
URL: https://github.com/apache/ozone/pull/4772#discussion_r1210985106
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hadoop-ozone/tools/src/main/java/org/apache/hadoop/ozone/freon/OzoneClientKeyReadWriteOps.java:
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@@ -229,15 +236,20 @@ public TaskType decideReadOrWriteTask() {
public String getKeyName() {
StringBuilder keyNameSb = new StringBuilder();
- int randomIdxWithinRange = ThreadLocalRandom.current().
- nextInt(startIndex, startIndex + range);
+ int next;
+ if (linear) {
+ next = nextNumber.getAndUpdate(x -> (x + 1) % (startIndex + range + 1));
Review Comment:
Does this result in a number in the range of `[0, startIndex + range]`,
while we actually want a sequential cursor in the range [startIndex, range)?
If that's true, something like the below could work
```
next = nextNumber.increaseAndGet() % range + startIndex;
```
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