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• feature_flags.proto

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google.bigtable.v2.feature_flags.proto Maven / Gradle / Ivy

// Copyright 2024 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

syntax = "proto3";

package google.bigtable.v2;

option csharp_namespace = "Google.Cloud.Bigtable.V2";
option go_package = "cloud.google.com/go/bigtable/apiv2/bigtablepb;bigtablepb";
option java_multiple_files = true;
option java_outer_classname = "FeatureFlagsProto";
option java_package = "com.google.bigtable.v2";
option php_namespace = "Google\\Cloud\\Bigtable\\V2";
option ruby_package = "Google::Cloud::Bigtable::V2";

// Feature flags supported or enabled by a client.
// This is intended to be sent as part of request metadata to assure the server
// that certain behaviors are safe to enable. This proto is meant to be
// serialized and websafe-base64 encoded under the `bigtable-features` metadata
// key. The value will remain constant for the lifetime of a client and due to
// HTTP2's HPACK compression, the request overhead will be tiny.
// This is an internal implementation detail and should not be used by end users
// directly.
message FeatureFlags {
  // Notify the server that the client supports reverse scans. The server will
  // reject ReadRowsRequests with the reverse bit set when this is absent.
  bool reverse_scans = 1;

  // Notify the server that the client enables batch write flow control by
  // requesting RateLimitInfo from MutateRowsResponse. Due to technical reasons,
  // this disables partial retries.
  bool mutate_rows_rate_limit = 3;

  // Notify the server that the client enables batch write flow control by
  // requesting RateLimitInfo from MutateRowsResponse. With partial retries
  // enabled.
  bool mutate_rows_rate_limit2 = 5;

  // Notify the server that the client supports the last_scanned_row field
  // in ReadRowsResponse for long-running scans.
  bool last_scanned_row_responses = 4;

  // Notify the server that the client supports using encoded routing cookie
  // strings to retry requests with.
  bool routing_cookie = 6;

  // Notify the server that the client supports using retry info back off
  // durations to retry requests with.
  bool retry_info = 7;

  // Notify the server that the client has client side metrics enabled.
  bool client_side_metrics_enabled = 8;
}