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From "Peter Bacsko (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-9268) Various fixes are needed in FpgaDevice
Date Fri, 01 Feb 2019 12:14:00 GMT
Peter Bacsko created YARN-9268:

             Summary: Various fixes are needed in FpgaDevice
                 Key: YARN-9268
                 URL: https://issues.apache.org/jira/browse/YARN-9268
             Project: Hadoop YARN
          Issue Type: Sub-task
            Reporter: Peter Bacsko

Need to fix the following the class FpgaDevice:

* It implements Comparable, but not Comparable<FpgaDevice>, so we have a raw type warning.
It also returns 0 in every case. There is no natural ordering among FPGA devices, perhaps
"acl0" comes before "acl1", but this seems too forced and unnecessary.We think this class
should not implement Comparable at all, at least not like that.
* Stores unnecessary fields: devName, busNum, temperature, power usage. For one, these are
never needed in the code. Secondly, temp and power usage changes constantly. It's pointless
to store these in this POJO.
* serialVersionUID is 1L - let's generate a number for this
* Use int instead of Integer - don't allow nulls. If major/minor uniquely identifies the card,
then let's demand them in the constructor and don't store Integers that can be null.

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