simbadzina commented on code in PR #5142:
URL: https://github.com/apache/hadoop/pull/5142#discussion_r1028476373
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hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/NameNodeProxiesClient.java:
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@@ -349,6 +349,13 @@ public static ClientProtocol
createProxyWithAlignmentContext(
boolean withRetries, AtomicBoolean fallbackToSimpleAuth,
AlignmentContext alignmentContext)
throws IOException {
+ if (conf.getBoolean(HdfsClientConfigKeys.DFS_RBF_OBSERVER_READ_ENABLE,
Review Comment:
If someone passes in null, then the client will not echo back alignment
state to the router, which it turn makes the router always forward these calls
to the active namenode.
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