aajisaka commented on a change in pull request #2363:
URL: https://github.com/apache/hadoop/pull/2363#discussion_r501420480
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File path:
hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/server/federation/router/RouterRpcClient.java
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@@ -519,6 +525,20 @@ private Object invokeMethod(
}
}
+ /**
+ * For Tracking which is the actual client address.
+ * It adds key/value (clientIp/"ip") pair to the caller context.
+ */
+ private void appendClientIpToCallerContext() {
+ final CallerContext ctx = CallerContext.getCurrent();
+ String origContext = ctx == null ? null : ctx.getContext();
+ byte[] origSignature = ctx == null ? null : ctx.getSignature();
+ CallerContext.setCurrent(
+ new CallerContext.Builder(origContext, clientConfiguration)
Review comment:
Can we pass the string separator instead of configuration to avoid
unnecessary `Configuration.get()` for each RPC?
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