Details
Description
As we discussed here #3635.
In some cases, when we need to add a key:value to the CallerContext, we need to check whether the key already exists in the outer layer, which is a bit of a hassle. To solve this problem, we can add a new method CallerContext#appendIfAbsent.
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- is depended upon by
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HDFS-16310 RBF: Add client port to CallerContext for Router
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- Resolved
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- links to