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https://issues.apache.org/jira/browse/HDFS-17596?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17889060#comment-17889060
]
ASF GitHub Bot commented on HDFS-17596:
---------------------------------------
hfutatzhanghb commented on code in PR #6988:
URL: https://github.com/apache/hadoop/pull/6988#discussion_r1798668449
##########
hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/server/federation/router/RouterRpcServer.java:
##########
@@ -791,6 +801,37 @@ <T> T invokeAtAvailableNs(RemoteMethod method, Class<T>
clazz)
return invokeOnNs(method, clazz, io, nss);
}
+ <T> T invokeAtAvailableNsAsync(RemoteMethod method, Class<T> clazz)
+ throws IOException {
+ String nsId = subclusterResolver.getDefaultNamespace();
+ // If default Ns is not present return result from first namespace.
+ Set<FederationNamespaceInfo> nss = namenodeResolver.getNamespaces();
+ // If no namespace is available, throw IOException.
+ IOException io = new IOException("No namespace available.");
+
+ asyncComplete(null);
Review Comment:
Thanks, fixed
##########
hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/server/federation/router/RouterRpcServer.java:
##########
@@ -824,6 +865,50 @@ <T> T invokeOnNs(RemoteMethod method, Class<T> clazz,
IOException ioe,
throw ioe;
}
+ <T> T invokeOnNsAsync(RemoteMethod method, Class<T> clazz, IOException ioe,
+ Set<FederationNamespaceInfo> nss) throws IOException {
+ if (nss.isEmpty()) {
+ throw ioe;
+ }
+
+ asyncComplete(null);
Review Comment:
fixed
> [ARR] RouterStoragePolicy supports asynchronous rpc.
> ----------------------------------------------------
>
> Key: HDFS-17596
> URL: https://issues.apache.org/jira/browse/HDFS-17596
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Jian Zhang
> Assignee: farmmamba
> Priority: Major
> Labels: pull-request-available
>
> *Describe*
> The main new addition is RouterAsyncStoragePolicy, which extends
> RouterStoragePolicy so that supports asynchronous rpc.
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