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https://issues.apache.org/jira/browse/YARN-11290?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17605028#comment-17605028
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ASF GitHub Bot commented on YARN-11290:
---------------------------------------
slfan1989 commented on code in PR #4846:
URL: https://github.com/apache/hadoop/pull/4846#discussion_r971434340
##########
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/federation/store/impl/ZookeeperFederationStateStore.java:
##########
@@ -255,24 +263,54 @@ public GetApplicationHomeSubClusterResponse
getApplicationHomeSubCluster(
@Override
public GetApplicationsHomeSubClusterResponse getApplicationsHomeSubCluster(
GetApplicationsHomeSubClusterRequest request) throws YarnException {
- long start = clock.getTime();
- List<ApplicationHomeSubCluster> result = new ArrayList<>();
+
+ if (request == null) {
+ throw new YarnException("Missing getApplicationsHomeSubCluster request");
+ }
try {
- for (String child : zkManager.getChildren(appsZNode)) {
- ApplicationId appId = ApplicationId.fromString(child);
- SubClusterId homeSubCluster = getApp(appId);
- ApplicationHomeSubCluster app =
- ApplicationHomeSubCluster.newInstance(appId, homeSubCluster);
- result.add(app);
- }
+ long start = clock.getTime();
+ SubClusterId requestSC = request.getSubClusterId();
+ List<String> children = zkManager.getChildren(appsZNode);
+ List<ApplicationHomeSubCluster> result =
+ children.stream().map(child -> generateAppHomeSC(child))
+
.sorted(Comparator.comparing(ApplicationHomeSubCluster::getCreateTime).reversed())
Review Comment:
Thanks for your suggestion, I will fix it.
> Improve Query Condition of FederationStateStore#getApplicationsHomeSubCluster
> -----------------------------------------------------------------------------
>
> Key: YARN-11290
> URL: https://issues.apache.org/jira/browse/YARN-11290
> Project: Hadoop YARN
> Issue Type: Improvement
> Components: federation
> Affects Versions: 3.4.0
> Reporter: fanshilun
> Assignee: fanshilun
> Priority: Minor
> Labels: pull-request-available
> Attachments: SqlServer-StoredProc.png
>
>
> 1. Currently this interface returns the number of apps in all sub-clusters,
> increasing the limit on the number of query apps, limited to 1000 apps.
> 2. Allows to query the App based on the specified HomeSubCluster.
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