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Redis Cluster C++ Client, based on hiredis, support password and standalone, it's easy to make and use, not depends on C++11 or later. r3c::CRedisClient is not thread safe, you can use __thread to create a object of r3c::CRedisClient for every thread.

r3c基于redis官方的c库hiredis实现,全称是redis cluster C++ client,支持redis cluster,支持密码访问。 非线程安全,GCC环境可以使用__thread为每个线程创建一个r3c::CRedisClient实例。 支持多种策略的从读,支持Redis-5.0新增的Stream操作。不支持异步,但可结合协程实现异步访问,可参照示例r3c_and_coroutine.cpp。

编译链接r3c时,默认认为hiredis的安装目录为/usr/local/hiredis, 但可以在执行make时指定hiredis安装目录,如假设hiredis安装目录为/tmp/hiredis:make HIREDIS=/tmp/hiredis, 或修改Makefile中变量HIREDIS的值来指定hiredis实现的安装目录。

编译r3c成功后,将生成libr3c.a静态库,没有共享库被生成。 也可以直接将r3c.h、r3c.cpp、utils.h、utils.cpp、sha1.h和sha1.cpp几个文件加入到自己项目代码中一起编译,而不独立编译r3c。


r3c_cmd.cpp是r3c的非交互式命令行工具(command line tool),具备redis-cli的一些功能,但用法不尽相同,将逐步将覆盖redis-cli的所有功能。 r3c_test.cpp是r3c的单元测试程序(unit test),执行make test即可。 r3c_and_coroutine.cpp 在协程中使用r3c示例(异步)


支持两种编译和安装方式(make&cmake):
1) make
编译:
make

安装(PREFIX指定安装目录,如果不指定则为/usr/local):
make install

make install PREFIX=/usr/local/r3c

执行单元测试:
make test

make test REDIS_CLUSTER_NODES=192.168.1.31:6379,192.168.1.31:6380

2) cmake
生成Makefile文件:
cmake -DCMAKE_INSTALL_PREFIX=install-directory .
示例:
cmake -DCMAKE_INSTALL_PREFIX=/usr/local/r3c .

编译:
make

安装:
make install


关于接口:
如果传给CRedisClient的nodes参数为单个节点字符串,如192.168.1.31:6379则为单机模式,为多节点字符串时则为Redis Cluster模式。


性能测试工具:
https://github.com/eyjian/libmooon/blob/master/tools/r3c_stress.cpp

单机性能数据:
r3c_stress --redis=192.168.0.88:6379 --requests=100000 --threads=20 set: microseconds=18867143, milliseconds=18867, seconds=18 total: 2000000, success: 2000000, failure: 0 qps: 111111

get: microseconds=16063882, milliseconds=16063, seconds=16 total: 2000000, success: 2000000, failure: 0, not exists: 0 qps: 125000

hset: microseconds=16134011, milliseconds=16134, seconds=16 total: 1999992, success: 1999992, failure: 0 qps: 124999

hget: microseconds=15249201, milliseconds=15249, seconds=15 total: 2000000, success: 2000000, failure: 0, not exists: 0 qps: 133333

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