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https://issues.apache.org/jira/browse/HDFS-16369?focusedWorklogId=690203&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-690203
]
ASF GitHub Bot logged work on HDFS-16369:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 03/Dec/21 17:30
Start Date: 03/Dec/21 17:30
Worklog Time Spent: 10m
Work Description: goiri commented on a change in pull request #3745:
URL: https://github.com/apache/hadoop/pull/3745#discussion_r762121422
##########
File path:
hadoop-hdfs-project/hadoop-hdfs-rbf/src/test/java/org/apache/hadoop/hdfs/server/federation/router/TestRouterRPCMultipleDestinationMountTableResolver.java
##########
@@ -668,14 +674,16 @@ public void testInvokeAtAvailableNs() throws IOException {
// Make one subcluster unavailable.
MiniDFSCluster dfsCluster = cluster.getCluster();
dfsCluster.shutdownNameNode(0);
+ dfsCluster.shutdownNameNode(1);
try {
// Verify that #invokeAtAvailableNs works by calling #getServerDefaults.
RemoteMethod method = new RemoteMethod("getServerDefaults");
FsServerDefaults serverDefaults =
rpcServer.invokeAtAvailableNs(method, FsServerDefaults.class);
assertNotNull(serverDefaults);
Review comment:
Yes, the flakiness is not ideal.
Let's go with this.
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Issue Time Tracking
-------------------
Worklog Id: (was: 690203)
Time Spent: 1h 10m (was: 1h)
> RBF: Fix the retry logic of RouterRpcServer#invokeAtAvailableNs
> ---------------------------------------------------------------
>
> Key: HDFS-16369
> URL: https://issues.apache.org/jira/browse/HDFS-16369
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Ayush Saxena
> Assignee: Ayush Saxena
> Priority: Major
> Labels: pull-request-available
> Time Spent: 1h 10m
> Remaining Estimate: 0h
>
> As of now invokeAtAvailableNs, retries only once if the default or the first
> namespace is not available, despite having other namespaces available.
> Optimise to retry on all namespaces.
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