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service config: add Random Subsetting LB Policy (gRFC A68) #157

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service config: add Random Subsetting LB Policy (gRFC A68) #157

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e0e495b
service config: add Random Subsetting LB Policy (gRFC A68)
s-matyukevich Jul 23, 2024
48e49c0
remove experimental postfix
s-matyukevich Jul 24, 2024
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15 changes: 14 additions & 1 deletion grpc/service_config/service_config.proto
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Original file line number Diff line number Diff line change
Expand Up @@ -476,6 +476,16 @@ message OverrideHostLoadBalancingPolicyConfig {
repeated HealthStatus override_host_status = 1 [deprecated = true];
}

// Configuration for the random_subsetting_experimental LB policy.
message RandomSubsettingLbConfig {
// subset_size indicates how many backends every client will be connected to.
// The value is required and must be greater than 0.
uint32 subset_size = 1;
// The config for the child policy.
// The value is required.
repeated LoadBalancingConfig child_policy = 2;
}

// Selects LB policy and provides corresponding configuration.
//
// In general, all instances of this field should be repeated. Clients will
Expand Down Expand Up @@ -517,6 +527,9 @@ message LoadBalancingConfig {
// balancing policy.
GrpcLbConfig grpclb = 3;

RandomSubsettingLbConfig random_subsetting = 21
[json_name = "random_subsetting"];

// REMAINING POLICIES ARE EXPERIMENTAL -- DO NOT USE

PriorityLoadBalancingPolicyConfig priority_experimental = 9
Expand Down Expand Up @@ -554,7 +567,7 @@ message LoadBalancingConfig {
XdsConfig xds_experimental = 5 [json_name = "xds_experimental",
deprecated = true];

// Next available ID: 21
// Next available ID: 22
}
}

Expand Down