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https://issues.apache.org/jira/browse/YARN-5697?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15570580#comment-15570580
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Tao Jie commented on YARN-5697:
-------------------------------
Thank you [~Naganarasimha],
I tried more ideal logic in earlier patch, but failed in
testcase:TestRMAdminCLI#directlyAccessNodeLabelStore:
{code}
// change the sequence of "-directlyAccessNodeLabelStore" and labels,
// should not matter
args =
new String[] { "-addToClusterNodeLabels",
"-directlyAccessNodeLabelStore", "x,y" };
assertEquals(0, rmAdminCLI.run(args));
assertTrue(dummyNodeLabelsManager.getClusterNodeLabelNames().containsAll(
ImmutableSet.of("x", "y")));
{code}
It seems that we don't care about the position of
{{-directlyAccessNodeLabelStore}} in command line currently.
Although {{-directlyAccessNodeLabelStore}} is marked as deprecated, this option
still leads to different code path currently:
{code}
if (directlyAccessNodeLabelStore) {
getNodeLabelManagerInstance(getConf()).replaceLabelsOnNode(map);
} else {
ResourceManagerAdministrationProtocol adminProtocol =
createAdminProtocol();
ReplaceLabelsOnNodeRequest request =
ReplaceLabelsOnNodeRequest.newInstance(map);
request.setFailOnUnknownNodes(failOnUnknownNodes);
adminProtocol.replaceLabelsOnNode(request);
}
{code}
Should we just remove the logic about {{-directlyAccessNodeLabelStore}} in this
patch?
To make it clear,
1, We should restrict command line format ({{rmadmin -addToClusterNodeLabels
-directlyAccessNodeLabelStore x,y}} will no longer be OK, also {{rmadmin
-replaceLabelsOnNode -failOnUnknownNodes node1=label1}} should be {{rmadmin
-replaceLabelsOnNode node1=label1 -failOnUnknownNodes}}).
2, We should remove code about {{-directlyAccessNodeLabelStore}} in this patch.
3, We should modify document and remove {{-directlyAccessNodeLabelStore}}.
Agree?
> Use CliParser to parse options in RMAdminCLI
> --------------------------------------------
>
> Key: YARN-5697
> URL: https://issues.apache.org/jira/browse/YARN-5697
> Project: Hadoop YARN
> Issue Type: Improvement
> Affects Versions: 2.8.0
> Reporter: Tao Jie
> Assignee: Tao Jie
> Fix For: 2.8.0
>
> Attachments: YARN-5697.001.patch, YARN-5697.002.patch,
> YARN-5697.003.patch
>
>
> As discussed in YARN-4855, it is better to use CliParser rather than args to
> parse command line options in RMAdminCli.
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