Adrian Kalaszi created YARN-4263:
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Summary: Capacity scheduler 60%-40% formatting floating point issue
Key: YARN-4263
URL: https://issues.apache.org/jira/browse/YARN-4263
Project: Hadoop YARN
Issue Type: Bug
Components: client
Affects Versions: 2.7.1
Reporter: Adrian Kalaszi
Priority: Trivial
If capacity scheduler is set with two queues to 60% and 40% capacity, due to a
java float floating representation issue
{code}
> hadoop queue -list
======================
Queue Name : default
Queue State : running
Scheduling Info : Capacity: 40.0, MaximumCapacity: 100.0, CurrentCapacity: 0.0
======================
Queue Name : large
Queue State : running
Scheduling Info : Capacity: 60.000004, MaximumCapacity: 100.0, CurrentCapacity:
0.0
{code}
Because
{code} System.err.println((0.6f) * 100); {code}
results in 60.000004.
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