gRPC 1.16.0 正式发布，谷歌的高性能 RPC 框架

内容简介：gRPC 1.16.0 发布了，这是一个 gRPC 核心更新版本，针对各语言版本都进行了更新，包含优化、改进和错误修复，下面列出了值得关注的更新： Core Keepalive watchdog firing should return status UNAVAILABLE. (#1...

gRPC 1.16.0 发布了，这是一个 gRPC 核心更新版本，针对各语言版本都进行了更新，包含优化、改进和错误修复，下面列出了值得关注的更新：

Core

• Keepalive watchdog firing should return status UNAVAILABLE. (#16764)

• Set TCP_USER_TIMEOUT socket option for linux . (#16419)

• When using c-ares, resolve ip literals and Windows localhost on our own. (#16420)

• Turn loading system root certificate as default. (#16536)

• Change pick_first to not unref unselected subchannels. (#16342)

C++

• fix *_unsecure.pc files. (#16754)

• cmake: prevent C core from depending on libstdc++. (#16752)

• Implement Watch method in health check service. (#16574)

• Fix async_stream.h warning on Visual Studio. (#16544)

C#

• Secure channel throughput improvements: Linux x86_64 version of grpc_csharp_ext nuget now ships with assembly-optimized version of boringssl, which leads to significant improvements in throughput of secure C# channels. See https://github.com/grpc/grpc/blob/v1.16.x/doc/ssl-performance.md for details.

• Expose certificate request type in SslServerCredentials. (#16552)

• build assembly-optimized grpc_csharp_ext with cmake. (#16777)

• ChannelOption improvements. (#16756)

• Various allocation optimizations. (#16631)

• Add new C# serialization API. (#16367)

• Add constructor overload for RpcException. (#16553)

• Avoid leaking resources when starting a call fails. (#16554)

• Expose TryWaitForStateChangedAsync. (#16556)

• Add exception info to Status.Detail if metadata credentials throws. (#16543)

Objective-C

• Fixed a crash related to error reporting. (#16696)

Python

• Fix SSL channel credential when an argument is None. (#16640)

• Bazel: Fix python BUILD rules. (#16561)

Ruby

• Switch to send instead of method(...).call. (#16642)

• Rescue GRPC::Core::CallError so that worker threads are not killed. (#16477)

• support for ruby_package options. (#16014)

• ruby: Raise instead of hanging if grpc is used before and after fork. (#16332)

发布说明和下载地址 https://github.com/grpc/grpc/releases/tag/v1.16.0

gRPC 是 Google 开源的高性能、通用 RPC 框架，面向移动和 HTTP/2 设计，是由谷歌发布的首款基于 Protocol Buffers 的 RPC 框架。gRPC 基于 HTTP/2 标准设计，带来诸如双向流、流控、头部压缩、单 TCP 连接上的多复用请求等特性。这些特性使得其在移动设备上表现更好，更省电且节省空间占用。

【声明】文章转载自：开源中国社区 [http://www.oschina.net]

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