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https://issues.apache.org/jira/browse/YARN-4889?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15425174#comment-15425174
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Karthik Kambatla commented on YARN-4889:
----------------------------------------

The patch looks pretty reasonable, but for these nits. +0, once these are 
addressed. I am not very familiar with AMRMClient code, and would be nice for 
someone who worked on this before to take a look. 

Comments/nits:
# AMRMClient#getMatchingRequests does not have @param in the javadoc. Can we 
reword the NOTE to add the @param. 
# A bunch of comments seem to take the form "WITH(OUT) the allocationRequestId 
specified". Can we reword them to "with/without the/a specified 
allocationRequestId"?
# AMRMClientImpl: The following two lines can fit in one.
{code}
  public Collection<T> getMatchingRequests(long
      allocationRequestId) {
{code}
# Just thinking out aloud: ResourceRequest and ContainerRequest could benefit 
from a builder instead of the newInstance way. 
# This comment can be shortened, and s/aught/ought
{code}
      // send the ResourceRequest to RM even if is 0 because it needs to
      // override
      // a previously sent value. If ResourceRequest was not sent previously
      // then
      // sending 0 aught to be a no-op on RM
{code}

> Changes in AMRMClient for identifying resource-requests explicitly
> ------------------------------------------------------------------
>
>                 Key: YARN-4889
>                 URL: https://issues.apache.org/jira/browse/YARN-4889
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: resourcemanager
>            Reporter: Subru Krishnan
>            Assignee: Arun Suresh
>         Attachments: YARN-4889.001.patch, YARN-4889.002.patch
>
>
> YARN-4879 proposes the notion of identifying allocate requests explicitly.. 
> This JIRA is to track the changes in AMRMClient to keep it wire compatible 
> with the changes. Please refer to the design doc in the parent JIRA for 
> details.



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