Set the default balancer name to round_robin #36
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lquerel
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Aug 31, 2023
jmacd
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Aug 31, 2023
| // which is not great for OTel Arrow exporters | ||
| // because it concentrates load at a single | ||
| // destination. | ||
| BalancerName: "round_robin", |
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This is the actual change. When the empty string is passed for BalancerName, gRPC ends up deciding pick_first in current collector builds, which ends up creating a bunch of streams to the same destination. I'll look into whether there are any popular client-side load balancers we should consider.
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Release v0.3.0 includes: - #24 - #29 - #30 - #36 This release includes a BREAKING CHANGE 🛑 🛑 🛑 🛑 🛑. We do not anticipate another of these, it merely renames/enumbers status codes to match the gRPC status code numbering scheme. However, since status code 0 stays the same, it will result in unusual looking errors but should be safe to deploy the receivers first. Their CANCELED (i.e., SERVER_SHUTDOWN) will read as UNAVAILABLE, etc. See #27.
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Here at Lightstep we think that round_robin is a reasonably good default load balancer for OTel Arrow, while
pick_firstis what we get without setting something in this field.pick_firstis not a reasonably good default load balancer for OTel Arrow. This change was documented in #29 already.Fixes #32.