[ 
https://issues.apache.org/jira/browse/YARN-10885?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17577642#comment-17577642
 ] 

ASF GitHub Bot commented on YARN-10885:
---------------------------------------

goiri commented on code in PR #4701:
URL: https://github.com/apache/hadoop/pull/4701#discussion_r941833661


##########
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/federation/utils/FederationStateStoreFacade.java:
##########
@@ -513,6 +524,25 @@ public Map<String, SubClusterPolicyConfiguration> invoke(
     return cacheRequest;
   }
 
+  private Object buildGetApplicationHomeSubClusterRequest(ApplicationId 
applicationId) {
+    final String cacheKey = buildCacheKey(getClass().getSimpleName(),
+        GET_APPLICATION_HOME_SUBCLUSTER_CACHEID, applicationId.toString());
+    CacheRequest<String, SubClusterId> cacheRequest = new CacheRequest<>(
+        cacheKey,
+        input -> {
+            GetApplicationHomeSubClusterResponse response =
+                stateStore.getApplicationHomeSubCluster(
+                    
GetApplicationHomeSubClusterRequest.newInstance(applicationId));

Review Comment:
   Extract to req



##########
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/federation/utils/FederationStateStoreFacade.java:
##########
@@ -513,6 +524,25 @@ public Map<String, SubClusterPolicyConfiguration> invoke(
     return cacheRequest;
   }
 
+  private Object buildGetApplicationHomeSubClusterRequest(ApplicationId 
applicationId) {
+    final String cacheKey = buildCacheKey(getClass().getSimpleName(),
+        GET_APPLICATION_HOME_SUBCLUSTER_CACHEID, applicationId.toString());
+    CacheRequest<String, SubClusterId> cacheRequest = new CacheRequest<>(
+        cacheKey,
+        input -> {
+            GetApplicationHomeSubClusterResponse response =
+                stateStore.getApplicationHomeSubCluster(
+                    
GetApplicationHomeSubClusterRequest.newInstance(applicationId));
+
+            ApplicationHomeSubCluster applicationHomeSubCluster =

Review Comment:
   appHomeSubCluster and one line





> Make FederationStateStoreFacade#getApplicationHomeSubCluster use JCache
> -----------------------------------------------------------------------
>
>                 Key: YARN-10885
>                 URL: https://issues.apache.org/jira/browse/YARN-10885
>             Project: Hadoop YARN
>          Issue Type: Improvement
>            Reporter: chaosju
>            Assignee: fanshilun
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 2h 20m
>  Remaining Estimate: 0h
>
> Yarn Client getApplicationReport function may produce lots of zookeeper ops, 
> Its import to use the JCache that cache the mapping of  application and 
> subcluster id. 



--
This message was sent by Atlassian Jira
(v8.20.10#820010)

---------------------------------------------------------------------
To unsubscribe, e-mail: yarn-issues-unsubscr...@hadoop.apache.org
For additional commands, e-mail: yarn-issues-h...@hadoop.apache.org

Reply via email to