Resource Attrs + Operation based routing in loadbalancing exporter for traces

[aishyandapalli]

Component(s)

exporter/loadbalancing

Is your feature request related to a problem? Please describe.

Right now, we have traceID and service based routing for traces in loadbalancing exporter. We see the traffic is unbalanced for both the routing types. We want to add a new entry for resource attributes+operation combination to balance the traffic across backends.

Describe the solution you'd like

Add a new entry key for resource attributes+operation routing and route the traffic based on the ids computed with resource attributes+operation combination

Describe alternatives you've considered

No response

Additional context

No response

[github-actions]

Pinging code owners:

• exporter/loadbalancing: @jpkrohling

See Adding Labels via Comments if you do not have permissions to add labels yourself.

[jpkrohling]

We see the traffic is unbalanced for both the routing types

That's surprising: balancing via trace ID should be relatively acceptable. I'd be curious to see the load-balancer metrics for that. Would you be able to share them?

We want to add a new entry for resource attributes+operation combination to balance the traffic across backends.

Do you mind sharing more details about this? Which concrete values would you be using to improve the balancing? "Operation" (span name, I assume) cannot be used for the load balancing, as it would result in spans from the same trace reaching different backends.

[github-actions]

This issue has been inactive for 60 days. It will be closed in 60 days if there is no activity. To ping code owners by adding a component label, see Adding Labels via Comments, or if you are unsure of which component this issue relates to, please ping @open-telemetry/collector-contrib-triagers. If this issue is still relevant, please ping the code owners or leave a comment explaining why it is still relevant. Otherwise, please close it.

Pinging code owners:

• exporter/loadbalancing: @jpkrohling

See Adding Labels via Comments if you do not have permissions to add labels yourself.

[jpkrohling]

I'm closing, but if you have answers to the questions above, please comment and reopen.