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HDFS-12176. dfsadmin shows DFS Used%: NaN% if the cluster has zero block. Contributed by Weiwei Yang.

This commit is contained in:
Akira Ajisaka 2017-07-24 16:23:01 +09:00
parent e315328428
commit 770cc46228
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1 changed files with 6 additions and 2 deletions
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8
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/tools/DFSAdmin.java
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@ -520,9 +520,13 @@ public class DFSAdmin extends FsShell {
+ " (" + StringUtils.byteDesc(remaining) + ")"); + " (" + StringUtils.byteDesc(remaining) + ")");
System.out.println("DFS Used: " + used System.out.println("DFS Used: " + used
+ " (" + StringUtils.byteDesc(used) + ")"); + " (" + StringUtils.byteDesc(used) + ")");
double dfsUsedPercent = 0;
if (presentCapacity != 0) {
dfsUsedPercent = used/(double)presentCapacity;
}
System.out.println("DFS Used%: " System.out.println("DFS Used%: "
+ StringUtils.formatPercent(used/(double)presentCapacity, 2)); + StringUtils.formatPercent(dfsUsedPercent, 2));
/* These counts are not always upto date. They are updated after /* These counts are not always upto date. They are updated after
* iteration of an internal list. Should be updated in a few seconds to * iteration of an internal list. Should be updated in a few seconds to
* minutes. Use "-metaSave" to list of all such blocks and accurate * minutes. Use "-metaSave" to list of all such blocks and accurate