captainzmc edited a comment on pull request #1746:
URL: https://github.com/apache/ozone/pull/1746#issuecomment-754432275
Hi @linyiqun @ayushtkn Sorry for the late reply, we can continue to discuss
this problem.
Maybe I didn't make it clear before, let's do an example：
ozone sh bucket create vol1 （This should be success）
ozone sh bucket create vol1 --space-quota 0TB --namespace-quota 0 （This
should be unsuccessful）
These are two different cases. But both cases in [CreateVolumeHandler
quotaOptions.getQuotaInNamespace()](https://github.com/apache/ozone/blob/master/hadoop-ozone/tools/src/main/java/org/apache/hadoop/ozone/shell/volume/CreateVolumeHandler.java#L68)
is 0.
Different cases receives the same parameters. Because the long variable is
also 0 by default when it is not declared.
Let's look at another example，this also has the same problem：
ozone sh volume setquota vol1 --space-quota 10TB （This should be success）
ozone sh volume setquota vol1 --space-quota 10TB --namespace-quota 0 （This
should be unsuccessful）
Because of this, I changed long to a string.
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