YCSB工作负载工具测试redis
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下载redis:
wget http://download.redis.io/releases/redis-5.0.4.tar.gz
tar xzf redis-5.0.4.tar.gz
cd redis-5.0.4
make
启动redis:
cd src/
./redis-server
显示以下表示启动成功:
18397:M 31 Mar 2019 03:50:27.642 * Increased maximum number of open files to 10032 (it was originally set to 1024).
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_.-`` `. `_. ''-._ Redis 5.0.4 (00000000/0) 64 bit
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( ' , .-` | `, ) Running in standalone mode
|`-._`-...-` __...-.``-._|'` _.-'| Port: 6379
| `-._ `._ / _.-' | PID: 18397
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| `-._`-._ _.-'_.-' | http://redis.io
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|`-._`-._ `-.__.-' _.-'_.-'|
| `-._`-._ _.-'_.-' |
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18397:M 31 Mar 2019 03:50:27.642 # WARNING: The TCP backlog setting of 511 cannot be enforced because /proc/sys/net/core/somaxconn is set to the lower value
of 128.18397:M 31 Mar 2019 03:50:27.643 # Server initialized
18397:M 31 Mar 2019 03:50:27.643 # WARNING overcommit_memory is set to 0! Background save may fail under low memory condition. To fix this issue add 'vm.over
commit_memory = 1' to /etc/sysctl.conf and then reboot or run the command 'sysctl vm.overcommit_memory=1' for this to take effect.18397:M 31 Mar 2019 03:50:27.643
使用YCSB测试redis首先进行load操作:
bin/ycsb load redis -s -P workloads/workloada -p "redis.host=127.0.0.1" -p "redis.port=6379"
我们在Redis中就能看到1000条数据,因为workloada中定义了recordcount=1000。每一个key都是hash类型,我们可以重执行上面的命令,将redis改为basic,basic是一种dummy客户端,实际并不操作任何数据库,而是将YCSB对数据库的各种操作的key-value输出到控制台,这样我们就能看到这些key-value是怎么插入到Redis的,value都是什么样子的了。
使用YCSB测试redis然后进行run操作:
bin/ycsb run redis -s -P workloads/workloada -p "redis.host=127.0.0.1" -p "redis.port=6379" -threads 128 -p "operationcount=10000" -p "measurementtype=timeseries" -p "timeseries.granularity=5000"
-threads是模拟的线程数,-p是传入的参数,可以是客户端的参数,可以是YCSB内部组件的参数,例如measurementtype会配置Measurements输出时间序列而不是直方图,也可以覆盖workload文件中预定义的参数,例如上面的operationcount。还有一个常用的参数是-target,指的是每秒最大操作数,当一秒内到达这个阈值,线程就会休眠1毫秒。
./bin/ycsb [load|run] DATABASE -P WORKLOAD -p key=value -s -target n -threads n
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