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https://issues.apache.org/jira/browse/YARN-11290?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17601048#comment-17601048
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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_r964252561
##########
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-router/src/main/java/org/apache/hadoop/yarn/server/router/clientrm/FederationClientInterceptor.java:
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@@ -949,7 +949,7 @@ public ReservationSubmissionResponse submitReservation(
// Second, determine whether the current ReservationId has a
corresponding subCluster.
// If it does not exist, add it. If it exists, update it.
Boolean exists = existsReservationHomeSubCluster(reservationId);
- if (!exists) {
+ if (!exists || i == 0) {
Review Comment:
Reservation may be repeatedly submitted (the same reservationId is submitted
repeatedly). At this time, we should try to use the first reservation result.
If the first reservation encounters some abnormalities, find another RM for
reservation.
> 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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