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https://issues.apache.org/jira/browse/YARN-11547?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17765873#comment-17765873
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ASF GitHub Bot commented on YARN-11547:
---------------------------------------
goiri commented on code in PR #6055:
URL: https://github.com/apache/hadoop/pull/6055#discussion_r1327796374
##########
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-router/src/main/java/org/apache/hadoop/yarn/server/router/Router.java:
##########
@@ -362,6 +363,72 @@ public FedAppReportFetcher getFetcher() {
return fetcher;
}
+ @VisibleForTesting
+ public static void removeApplication(Configuration conf, String
applicationId)
+ throws Exception {
+ FederationStateStoreFacade facade =
FederationStateStoreFacade.getInstance(conf);
+ ApplicationId removeAppId = ApplicationId.fromString(applicationId);
+ LOG.info("Deleting application {} from state store.", removeAppId);
+ facade.deleteApplicationHomeSubCluster(removeAppId);
+ LOG.info("Application is deleted from state store");
+ }
+
+ private static void handFormatStateStore() {
+ // TODO: YARN-11548. [Federation] Router Supports Format
FederationStateStore.
+ System.err.println("format-state-store is not yet supported.");
+ }
+
+ private static void handRemoveApplicationFromStateStore(Configuration conf,
+ String applicationId) {
+ try {
+ removeApplication(conf, applicationId);
+ System.out.println("Application " + applicationId + " is deleted from
state store");
+ } catch (Exception e) {
+ System.err.println("Application " + applicationId + " error, exception =
" + e);
+ }
+ }
+
+ private static void executeRouterCommand(Configuration conf, String[] args) {
+ Options opts = new Options();
+ Option formatStateStoreOpt = new Option("format-state-store", false,
+ " Formats the FederationStateStore. " +
+ "This will clear the FederationStateStore and " +
+ "is useful if past applications are no longer needed. " +
+ "This should be run only when the Router is not running.");
+ Option removeApplicationFromStateStoreOpt = new
Option("remove-application-from-state-store",
+ false, " Remove the application from FederationStateStore. " +
+ " This should be run only when the Router is not running. ");
+ opts.addOption(formatStateStoreOpt);
+ opts.addOption(removeApplicationFromStateStoreOpt);
+
+ String cmd = args[0];
+
+ CommandLine cliParser = null;
Review Comment:
Move the definition inside of the try.
> [Federation] Router Supports Remove individual application records from
> FederationStateStore.
> ---------------------------------------------------------------------------------------------
>
> Key: YARN-11547
> URL: https://issues.apache.org/jira/browse/YARN-11547
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: federation
> Affects Versions: 3.4.0
> Reporter: Shilun Fan
> Assignee: Shilun Fan
> Priority: Major
> Labels: pull-request-available
>
> Similar to RM, Router should support clearing individual application from
> FederationStateStore.
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