tasanuma commented on a change in pull request #3366:
URL: https://github.com/apache/hadoop/pull/3366#discussion_r707829233
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File path:
hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/server/protocol/StorageReport.java
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@@ -48,6 +49,8 @@ public StorageReport(DatanodeStorage storage, boolean failed,
long capacity,
this.nonDfsUsed = nonDfsUsed;
this.remaining = remaining;
this.blockPoolUsed = bpUsed;
+ this.blockPoolUsagePercent = capacity == 0 ? 0.0f :
Review comment:
If I remember right, `capacity` can be 0.
```suggestion
this.blockPoolUsagePercent = capacity <= 0 ? 0.0f :
```
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