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https://issues.apache.org/jira/browse/YARN-11238?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17607670#comment-17607670
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ASF GitHub Bot commented on YARN-11238:
---------------------------------------
slfan1989 commented on code in PR #4904:
URL: https://github.com/apache/hadoop/pull/4904#discussion_r976338577
##########
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-router/src/main/java/org/apache/hadoop/yarn/server/router/clientrm/FederationClientInterceptor.java:
##########
@@ -773,24 +761,19 @@ public GetClusterNodesResponse
getClusterNodes(GetClusterNodesRequest request)
RouterServerUtil.logAndThrowException("Missing getClusterNodes
request.", null);
}
long startTime = clock.getTime();
- Map<SubClusterId, SubClusterInfo> subClusters =
- federationFacade.getSubClusters(true);
- Map<SubClusterId, GetClusterNodesResponse> clusterNodes =
Maps.newHashMap();
- for (SubClusterId subClusterId : subClusters.keySet()) {
- ApplicationClientProtocol client;
- try {
- client = getClientRMProxyForSubCluster(subClusterId);
- GetClusterNodesResponse response = client.getClusterNodes(request);
- clusterNodes.put(subClusterId, response);
- } catch (Exception ex) {
- routerMetrics.incrClusterNodesFailedRetrieved();
- RouterServerUtil.logAndThrowException("Unable to get cluster nodes due
to exception.", ex);
- }
+ ClientMethod remoteMethod = new ClientMethod("getClusterNodes",
+ new Class[]{GetClusterNodesRequest.class}, new Object[]{request});
+ Collection<GetClusterNodesResponse> clusterNodes = null;
+ try {
+ clusterNodes = invokeConcurrent(remoteMethod,
GetClusterNodesResponse.class);
Review Comment:
I will refactor the code.
> Optimizing FederationClientInterceptor Call with Parallelism
> ------------------------------------------------------------
>
> Key: YARN-11238
> URL: https://issues.apache.org/jira/browse/YARN-11238
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: federation
> Affects Versions: 3.4.0, 3.3.4
> Reporter: fanshilun
> Assignee: fanshilun
> Priority: Major
> Labels: pull-request-available
>
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