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A89: xDS Cluster Metric Label #471

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@ejona86 ejona86 commented Jan 10, 2025

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to have a different value. This is the case for locality as well, and the last
pick's value should be used.

The `grpc.xds.cluster` label will be available on the following per-call
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@ejona86 ejona86 Jan 10, 2025

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@yashykt, Java hard-codes support for locality today. I remember there being a conversation about supporting arbitrary optional labels, and I think we had kicked that can down the road.

I'm envisioning just adding another hard-coded case to the otel module for this.

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## Implementation

@ejona86 will immediately implement in gRPC Java. Other languages will follow as
able. The implementation is very quick.

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"The implementation is very quick" is more rationale than blueprint.

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It is an answer to "where are the resources coming from." "It is quick, so doesn't need a ton of planning."

I changed the link name so I wouldn't have to specify the link name, and
then forgot to remove the link name.
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@markdroth markdroth left a comment

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5 stars, would read again. :)

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4 participants