ayushtkn commented on code in PR #5483:
URL: https://github.com/apache/hadoop/pull/5483#discussion_r1171932550
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hadoop-hdfs-project/hadoop-hdfs-rbf/src/test/java/org/apache/hadoop/hdfs/server/federation/router/TestRouterRPCMultipleDestinationMountTableResolver.java:
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@@ -720,6 +720,48 @@ public void testWriteWithUnavailableSubCluster() throws
IOException {
}
}
+ /**
+ * Test rename a dir from src dir (mapped to both ns0 and ns1) to ns0.
+ */
+ @Test
+ public void testRenameWithMultiDestinations() throws Exception {
+ //create a mount point with multiple destinations
+ String srcDir = "/mount-source-dir";
+ Path path = new Path(srcDir);
+ Map<String, String> destMap = new HashMap<>();
+ destMap.put("ns0", srcDir);
+ destMap.put("ns1", srcDir);
+ nnFs0.mkdirs(path);
+ nnFs1.mkdirs(path);
+ MountTable addEntry =
+ MountTable.newInstance(srcDir, destMap);
+ addEntry.setDestOrder(DestinationOrder.RANDOM);
+ addEntry.setFaultTolerant(true);
Review Comment:
fault tolerant wasn't required as such IMO, but ok no harm
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