// Copyright 2022 gRPC authors. // // 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. // Automatically generated by tools/codegen/core/gen_experiments.py #include #include "src/core/lib/experiments/experiments.h" namespace { const char* const description_tcp_frame_size_tuning = "If set, enables TCP to use RPC size estimation made by higher layers. TCP " "would not indicate completion of a read operation until a specified " "number of bytes have been read over the socket. Buffers are also " "allocated according to estimated RPC sizes."; const char* const description_tcp_read_chunks = "Allocate only 8kb or 64kb chunks for TCP reads to reduce pressure on " "malloc to recycle arbitrary large blocks."; const char* const description_tcp_rcv_lowat = "Use SO_RCVLOWAT to avoid wakeups on the read path."; const char* const description_peer_state_based_framing = "If set, the max sizes of frames sent to lower layers is controlled based " "on the peer's memory pressure which is reflected in its max http2 frame " "size."; const char* const description_flow_control_fixes = "Various fixes for flow control, max frame size setting."; const char* const description_memory_pressure_controller = "New memory pressure controller"; const char* const description_periodic_resource_quota_reclamation = "Periodically return memory to the resource quota"; const char* const description_unconstrained_max_quota_buffer_size = "Discard the cap on the max free pool size for one memory allocator"; const char* const description_new_hpack_huffman_decoder = "New HPACK huffman decoder - should be much faster than the existing " "implementation."; const char* const description_event_engine_client = "Use EventEngine clients instead of iomgr's grpc_tcp_client"; #ifdef NDEBUG const bool kDefaultForDebugOnly = false; #else const bool kDefaultForDebugOnly = true; #endif } // namespace namespace grpc_core { const ExperimentMetadata g_experiment_metadata[] = { {"tcp_frame_size_tuning", description_tcp_frame_size_tuning, false}, {"tcp_read_chunks", description_tcp_read_chunks, false}, {"tcp_rcv_lowat", description_tcp_rcv_lowat, false}, {"peer_state_based_framing", description_peer_state_based_framing, false}, {"flow_control_fixes", description_flow_control_fixes, false}, {"memory_pressure_controller", description_memory_pressure_controller, false}, {"periodic_resource_quota_reclamation", description_periodic_resource_quota_reclamation, false}, {"unconstrained_max_quota_buffer_size", description_unconstrained_max_quota_buffer_size, false}, {"new_hpack_huffman_decoder", description_new_hpack_huffman_decoder, kDefaultForDebugOnly}, {"event_engine_client", description_event_engine_client, false}, }; } // namespace grpc_core