【玩转云耀云服务器HECS】华为云之使用HECS部署Redis数据库
【摘要】 【玩转云耀云服务器HECS】华为云之使用HECS部署Redis数据库
一、Redis数据库介绍
1.Redis数据库简介
Redis 是完全开源的，遵守 BSD 协议，是一个高性能的 key-value 数据库。
2.Redis数据库特点
- Redis支持数据的持久化，可以将内存中的数据保存在磁盘中，重启的时候可以再次加载进行使用。
- Redis不仅仅支持简单的key-value类型的数据，同时还提供list，set，zset，hash等数据结构的存储。
- Redis支持数据的备份，即master-slave模式的数据备份。
二、HECS云耀云服务器介绍
1.HECS云耀云服务器简介
HECS(云耀云服务器)是可以快速搭建简单应用的新一代云服务器，具备独立、完整的操作系统和网络功能，适用于网站搭建、开发环境等低负载应用场景。
2.HECS云耀云服务器特点
- 易搭建：支持一站式配置指导，预装第三方市场镜像，新手小白也分钟级完成应用搭建
- 更实惠： 场景化套餐推荐，快速构建业务系统；根据用户业务诉求适配套餐，轻松购买更省力
- 易维护：极简控制台可视化管理；全方位性能监测，智能助手瑶光加持，保障业务稳定无忧
- 更安全： 主机安全防御、免费安全体检、安全升级指导、安全体检报告，多重保护性能无忧
三、本次技术分享介绍
1.熟练使用华为云云耀云服务器HECS产品；
2.使用HECS云耀云服务器部署Redis数据库；
3.可以远程连接Redis数据库，熟悉Redis的基本操作。
四、购买华为云HECS云耀云服务器
1.购买说明
1.新用户可以直接前往开发者试用专区，免费领取ECS云耀云服务器，
官网地址：https://activity.huaweicloud.com/free_test/index.html
2.老用户直接选择包月购买即可。
2.进入购买界面
登录华为云官网，控制台——服务列表——云耀云服务器HECS
3.购买华为云HECS云耀云服务器
选择购买HECS云耀云服务器
区域：可定义，这里选择是西南——贵阳一；
系统镜像：选择centos7.6操作系统；
配置：选择入门型的即可，用于学习和测试；
密码：设置root密码，自定义。
增值服务：可勾选“开启详细云监控”，免费试用；
购买时长：选择一个月即可；
购买量：1台；
配置完毕后，选择立即购买
4.查看购买的HECS状态
选择服务列表——云耀云服务器HECS，进入HECS控制台，看到刚购买的HECS云耀云服务器。
五、本地远程连接HECS
1.查看HECS的弹性公网IP
在HECS控制面板，查看当前云服务器的弹性公网IP。
2.本地连接HECS
打开本地Xshell工具，输入公网IP，云服务器的账号密码进行远程连接。
3.查看系统版本
检查操作系统版本
[root@hecs-4981 ~]# cat /etc/centos-release
CentOS Linux release 7.6.1810 (Core)
4.检查系统内核版本
[root@hecs-4981 ~]# uname -r
3.10.0-1160.53.1.el7.x86_64
六、下载Redis软件包
1.创建下载目录
创建Redis软件包的下载目录
[root@hecs-4981 ~]# mkdir -p /data/redis
[root@hecs-4981 ~]# cd /data/redis/
[root@hecs-4981 redis]#
2.下载Redis软件包
redis下载地址： https://download.redis.io/releases
[root@hecs-4981 redis]# wget https://download.redis.io/releases/redis-6.2.6.tar.gz
--2023-03-06 10:32:48-- https://download.redis.io/releases/redis-6.2.6.tar.gz
Resolving download.redis.io (download.redis.io)... 45.60.125.1
Connecting to download.redis.io (download.redis.io)|45.60.125.1|:443... connected.
HTTP request sent, awaiting response... 200 OK
Length: 2476542 (2.4M) [application/octet-stream]
Saving to: ‘redis-6.2.6.tar.gz’
100%[==========================================================================================================>] 2,476,542 4.63MB/s in 0.5s
2023-03-06 10:32:50 (4.63 MB/s) - ‘redis-6.2.6.tar.gz’ saved [2476542/2476542]
3.解压Redis软件包
将Redis软件包进行解压
[root@hecs-4981 redis]# tar -xzf redis-6.2.6.tar.gz
[root@hecs-4981 redis]# ls
redis-6.2.6 redis-6.2.6.tar.gz
[root@hecs-4981 redis]# ls redis-6.2.6
00-RELEASENOTES CONDUCT COPYING INSTALL MANIFESTO redis.conf runtest-cluster runtest-sentinel src TLS.md
BUGS CONTRIBUTING deps Makefile README.md runtest runtest-moduleapi sentinel.conf tests utils
4.查看Redis目录的结构
使用tree命令查看Redis源码目录结构
[root@hecs-4981 redis]# tree redis-6.2.6 -L 2
redis-6.2.6
├── 00-RELEASENOTES
├── BUGS
├── CONDUCT
├── CONTRIBUTING
├── COPYING
├── deps
│ ├── hdr_histogram
│ ├── hiredis
│ ├── jemalloc
│ ├── linenoise
│ ├── lua
│ ├── Makefile
│ ├── README.md
│ └── update-jemalloc.sh
├── INSTALL
├── Makefile
├── MANIFESTO
├── README.md
├── redis.conf
├── runtest
├── runtest-cluster
├── runtest-moduleapi
├── runtest-sentinel
├── sentinel.conf
├── src
│ ├── acl.c
│ ├── adlist.c
│ ├── adlist.h
│ ├── ae.c
│ ├── ae_epoll.c
│ ├── ae_evport.c
│ ├── ae.h
│ ├── ae_kqueue.c
│ ├── ae_select.c
│ ├── anet.c
│ ├── anet.h
│ ├── aof.c
│ ├── asciilogo.h
│ ├── atomicvar.h
│ ├── bio.c
│ ├── bio.h
│ ├── bitops.c
│ ├── blocked.c
│ ├── childinfo.c
│ ├── cli_common.c
│ ├── cli_common.h
│ ├── cluster.c
│ ├── cluster.h
│ ├── config.c
│ ├── config.h
│ ├── connection.c
│ ├── connection.h
│ ├── connhelpers.h
│ ├── crc16.c
│ ├── crc16_slottable.h
│ ├── crc64.c
│ ├── crc64.h
│ ├── crcspeed.c
│ ├── crcspeed.h
│ ├── db.c
│ ├── debug.c
│ ├── debugmacro.h
│ ├── defrag.c
│ ├── dict.c
│ ├── dict.h
│ ├── endianconv.c
│ ├── endianconv.h
│ ├── evict.c
│ ├── expire.c
│ ├── fmacros.h
│ ├── geo.c
│ ├── geo.h
│ ├── geohash.c
│ ├── geohash.h
│ ├── geohash_helper.c
│ ├── geohash_helper.h
│ ├── gopher.c
│ ├── help.h
│ ├── hyperloglog.c
│ ├── intset.c
│ ├── intset.h
│ ├── latency.c
│ ├── latency.h
│ ├── lazyfree.c
│ ├── listpack.c
│ ├── listpack.h
│ ├── listpack_malloc.h
│ ├── localtime.c
│ ├── lolwut5.c
│ ├── lolwut6.c
│ ├── lolwut.c
│ ├── lolwut.h
│ ├── lzf_c.c
│ ├── lzf_d.c
│ ├── lzf.h
│ ├── lzfP.h
│ ├── Makefile
│ ├── memtest.c
│ ├── mkreleasehdr.sh
│ ├── module.c
│ ├── modules
│ ├── monotonic.c
│ ├── monotonic.h
│ ├── mt19937-64.c
│ ├── mt19937-64.h
│ ├── multi.c
│ ├── networking.c
│ ├── notify.c
│ ├── object.c
│ ├── pqsort.c
│ ├── pqsort.h
│ ├── pubsub.c
│ ├── quicklist.c
│ ├── quicklist.h
│ ├── rand.c
│ ├── rand.h
│ ├── rax.c
│ ├── rax.h
│ ├── rax_malloc.h
│ ├── rdb.c
│ ├── rdb.h
│ ├── redisassert.h
│ ├── redis-benchmark.c
│ ├── redis-check-aof.c
│ ├── redis-check-rdb.c
│ ├── redis-cli.c
│ ├── redismodule.h
│ ├── redis-trib.rb
│ ├── release.c
│ ├── replication.c
│ ├── rio.c
│ ├── rio.h
│ ├── scripting.c
│ ├── sdsalloc.h
│ ├── sds.c
│ ├── sds.h
│ ├── sentinel.c
│ ├── server.c
│ ├── server.h
│ ├── setcpuaffinity.c
│ ├── setproctitle.c
│ ├── sha1.c
│ ├── sha1.h
│ ├── sha256.c
│ ├── sha256.h
│ ├── siphash.c
│ ├── slowlog.c
│ ├── slowlog.h
│ ├── solarisfixes.h
│ ├── sort.c
│ ├── sparkline.c
│ ├── sparkline.h
│ ├── stream.h
│ ├── syncio.c
│ ├── testhelp.h
│ ├── t_hash.c
│ ├── timeout.c
│ ├── t_list.c
│ ├── tls.c
│ ├── tracking.c
│ ├── t_set.c
│ ├── t_stream.c
│ ├── t_string.c
│ ├── t_zset.c
│ ├── util.c
│ ├── util.h
│ ├── valgrind.sup
│ ├── version.h
│ ├── ziplist.c
│ ├── ziplist.h
│ ├── zipmap.c
│ ├── zipmap.h
│ ├── zmalloc.c
│ └── zmalloc.h
├── tests
│ ├── assets
│ ├── cluster
│ ├── helpers
│ ├── instances.tcl
│ ├── integration
│ ├── modules
│ ├── sentinel
│ ├── support
│ ├── test_helper.tcl
│ ├── tmp
│ └── unit
├── TLS.md
└── utils
├── build-static-symbols.tcl
├── cluster_fail_time.tcl
├── corrupt_rdb.c
├── create-cluster
├── generate-command-help.rb
├── gen-test-certs.sh
├── graphs
├── hashtable
├── hyperloglog
├── install_server.sh
├── lru
├── redis-copy.rb
├── redis_init_script
├── redis_init_script.tpl
├── redis-sha1.rb
├── releasetools
├── speed-regression.tcl
├── srandmember
├── systemd-redis_multiple_servers@.service
├── systemd-redis_server.service
├── tracking_collisions.c
└── whatisdoing.sh
26 directories, 184 files
七、编译Redis源码包
1.安装环境依赖
安装环境依赖
yum -y install gcc automake autoconf libtool make
2.编译Redis前准备工作
在deps目录下执行以下命令：
[root@hecs-4981 deps]# ls
hdr_histogram hiredis jemalloc linenoise lua Makefile README.md update-jemalloc.sh
[root@hecs-4981 deps]# make lua hiredis linenoise hdr_histogram jemalloc
3.开始编译Redis
在Redis源码目录./src/下，编译redis
[root@hecs-4981 src]# pwd
/data/redis/redis-6.2.6/src
[root@hecs-4981 src]# make PREFIX=/usr/local/redis MALLOC=libc install
八、启动Redis服务
1.配置环境变量
vim /etc/profile.d/redis.sh
[root@hecs-4981 src]# cat /etc/profile.d/redis.sh
#!/bin/bash
##########################################################
#File Name:/etc/profile.d/redis.sh
#Version:V1.0
#Aurhor:jeven
#Emali:111116@qq.com
#Created Time:2023-03-06 11:53:28
#Description:
##########################################################
export PATH=$PATH:/usr/local/redis/bin
使变量文件生效
[root@hecs-4981 src]# source !$
source /etc/profile.d/redis.sh
2.检查redis版本
检查安装的Redis版本
[root@hecs-4981 src]# redis-server --version
Redis server v=6.2.6 sha=00000000:0 malloc=libc bits=64 build=efa06b788d254775
3.创建redis相关目录
创建redis相关目录
mkdir -p /usr/local/redis/{etc,logs,data}
4.编辑redis配置文件
编辑redis配置文件
[root@hecs-4981 src]# cat /usr/local/redis/etc/redis.conf
daemonize yes
supervised systemd
pidfile /var/run/redis.pid
port 6379
logfile /usr/local/redis/logs/redis.log
dbfilename dump.rdb
dir /usr/local/redis/data
maxmemory 1G
bind 192.168.0.146 127.0.0.1
timeout 300
loglevel notice
databases 16
save 900 1
save 300 10
save 60 10000
rdbcompression yes
maxclients 10000
appendonly yes
appendfilename appendonly.aof
appendfsync everysec
5.启动redis服务
直接使用redis-server命令启动redis服务
redis-server /usr/local/redis/etc/redis.conf
6.检查redis服务状态
检查redis服务的进程是否正常启动
[root@hecs-4981 src]# ps -ef |grep redis
root 16448 1 0 12:49 ? 00:00:00 redis-server 192.168.0.146:6379
root 16453 1553 0 12:49 pts/0 00:00:00 grep --color=auto redis
7.测试本地连接redis数据库
在本地HECS云耀云服务器中，连接Redis数据库。
[root@hecs-4981 src]# redis-cli -h 192.168.0.146 -p 6379
192.168.0.146:6379> info
# Server
redis_version:6.2.6
redis_git_sha1:00000000
redis_git_dirty:0
redis_build_id:efa06b788d254775
redis_mode:standalone
os:Linux 3.10.0-1160.53.1.el7.x86_64 x86_64
arch_bits:64
multiplexing_api:epoll
atomicvar_api:atomic-builtin
gcc_version:4.8.5
process_id:16448
process_supervised:no
run_id:9a11c75af9064ee4b97a19132bd68f2f4e81b527
tcp_port:6379
server_time_usec:1678078384098266
uptime_in_seconds:195
uptime_in_days:0
hz:10
configured_hz:10
lru_clock:356784
executable:/data/redis/redis-6.2.6/src/redis-server
config_file:/usr/local/redis/etc/redis.conf
io_threads_active:0
# Clients
connected_clients:1
cluster_connections:0
maxclients:10000
client_recent_max_input_buffer:48
client_recent_max_output_buffer:0
blocked_clients:0
tracking_clients:0
clients_in_timeout_table:0
# Memory
used_memory:936080
used_memory_human:914.14K
used_memory_rss:2482176
used_memory_rss_human:2.37M
used_memory_peak:990880
used_memory_peak_human:967.66K
used_memory_peak_perc:94.47%
used_memory_overhead:901168
used_memory_startup:884112
used_memory_dataset:34912
used_memory_dataset_perc:67.18%
allocator_allocated:901664
allocator_active:2444288
allocator_resident:2444288
total_system_memory:1038635008
total_system_memory_human:990.52M
used_memory_lua:37888
used_memory_lua_human:37.00K
used_memory_scripts:0
used_memory_scripts_human:0B
number_of_cached_scripts:0
maxmemory:1000000000
maxmemory_human:953.67M
maxmemory_policy:noeviction
allocator_frag_ratio:2.71
allocator_frag_bytes:1542624
allocator_rss_ratio:1.00
allocator_rss_bytes:0
rss_overhead_ratio:1.02
rss_overhead_bytes:37888
mem_fragmentation_ratio:2.75
mem_fragmentation_bytes:1580512
mem_not_counted_for_evict:20
mem_replication_backlog:0
mem_clients_slaves:0
mem_clients_normal:17032
mem_aof_buffer:24
mem_allocator:libc
active_defrag_running:0
lazyfree_pending_objects:0
lazyfreed_objects:0
# Persistence
loading:0
current_cow_size:0
current_cow_size_age:0
current_fork_perc:0.00
current_save_keys_processed:0
current_save_keys_total:0
rdb_changes_since_last_save:0
rdb_bgsave_in_progress:0
rdb_last_save_time:1678078189
rdb_last_bgsave_status:ok
rdb_last_bgsave_time_sec:-1
rdb_current_bgsave_time_sec:-1
rdb_last_cow_size:0
aof_enabled:1
aof_rewrite_in_progress:0
aof_rewrite_scheduled:0
aof_last_rewrite_time_sec:-1
aof_current_rewrite_time_sec:-1
aof_last_bgrewrite_status:ok
aof_last_write_status:ok
aof_last_cow_size:0
module_fork_in_progress:0
module_fork_last_cow_size:0
aof_current_size:0
aof_base_size:0
aof_pending_rewrite:0
aof_buffer_length:0
aof_rewrite_buffer_length:0
aof_pending_bio_fsync:0
aof_delayed_fsync:0
# Stats
total_connections_received:1
total_commands_processed:1
instantaneous_ops_per_sec:0
total_net_input_bytes:31
total_net_output_bytes:20324
instantaneous_input_kbps:0.00
instantaneous_output_kbps:0.00
rejected_connections:0
sync_full:0
sync_partial_ok:0
sync_partial_err:0
expired_keys:0
expired_stale_perc:0.00
expired_time_cap_reached_count:0
expire_cycle_cpu_milliseconds:2
evicted_keys:0
keyspace_hits:0
keyspace_misses:0
pubsub_channels:0
pubsub_patterns:0
latest_fork_usec:0
total_forks:0
migrate_cached_sockets:0
slave_expires_tracked_keys:0
active_defrag_hits:0
active_defrag_misses:0
active_defrag_key_hits:0
active_defrag_key_misses:0
tracking_total_keys:0
tracking_total_items:0
tracking_total_prefixes:0
unexpected_error_replies:0
total_error_replies:0
dump_payload_sanitizations:0
total_reads_processed:2
total_writes_processed:1
io_threaded_reads_processed:0
io_threaded_writes_processed:0
# Replication
role:master
connected_slaves:0
master_failover_state:no-failover
master_replid:d0a9e58fc295749a6391afa505467e1684dde607
master_replid2:0000000000000000000000000000000000000000
master_repl_offset:0
second_repl_offset:-1
repl_backlog_active:0
repl_backlog_size:1048576
repl_backlog_first_byte_offset:0
repl_backlog_histlen:0
# CPU
used_cpu_sys:0.067942
used_cpu_user:0.069307
used_cpu_sys_children:0.000000
used_cpu_user_children:0.000000
used_cpu_sys_main_thread:0.067996
used_cpu_user_main_thread:0.069232
# Modules
# Errorstats
# Cluster
cluster_enabled:0
# Keyspace
8.systemd服务管理redis
编辑redis启动服务文件
[root@hecs-4981 src]# cat /usr/lib/systemd/system/redis.service
[Unit]
Description=redis-server
After=network.target
[Service]
Type=forking
ExecStart=/usr/local/redis/bin/redis-server /usr/local/redis/etc/redis.conf
PrivateTmp=true
[Install]
WantedBy=multi-user.target
启动redis服务
systemctl daemon-reload && systemctl start redis && systemctl enable redis
检查redis服务状态
[root@hecs-4981 ~]# systemctl status redis
● redis.service - redis-server
Loaded: loaded (/usr/lib/systemd/system/redis.service; enabled; vendor preset: disabled)
Active: active (running) since Mon 2023-03-06 14:16:43 CST; 1s ago
Process: 1460 ExecStart=/usr/local/redis/bin/redis-server /usr/local/redis/etc/redis.conf (code=exited, status=0/SUCCESS)
Main PID: 1461 (redis-server)
CGroup: /system.slice/redis.service
└─1461 /usr/local/redis/bin/redis-server 192.168.0.146:6379
Mar 06 14:16:43 hecs-4981 systemd[1]: Starting redis-server...
Mar 06 14:16:43 hecs-4981 systemd[1]: Started redis-server.
九、安全组及防火墙配置
1.关闭防火墙
关闭防火墙，如果需要开启防火墙，则需要放行6379端口
systemctl stop firewalld && systemctl disable firewalld
2.关闭selinux
sed -i 's/SELINUX=enforcing/SELINUX=disabled/' /etc/selinux/config
getenforce
3.HECS的安全组设置
进入HECS安全组管理页面
安全组放行6379端口
十、远程访问Redis数据库服务
1.设置redis密码
默认redis密码为空，本地连接redis设置密码。
[root@hecs-4981 ~]# redis-cli -h 192.168.0.146 -p 6379
192.168.0.146:6379> config get requirepass
1) "requirepass"
2) ""
>config set requirepass 123456
>OK
2.远程连接HECS的redis数据库服务
远程连接HECS的redis数据库服务
[root@server ~]# redis-cli -h 140.210.218.184 -p 6379 -a 123456
[root@server ~]# redis-cli -h 140.210.218.184 -p 6379 -a Sz.1314520
140.210.218.184:6379> info
# Server
redis_version:6.2.6
redis_git_sha1:00000000
redis_git_dirty:0
redis_build_id:efa06b788d254775
redis_mode:standalone
os:Linux 3.10.0-1160.53.1.el7.x86_64 x86_64
arch_bits:64
multiplexing_api:epoll
atomicvar_api:atomic-builtin
gcc_version:4.8.5
process_id:1461
process_supervised:no
run_id:5872b0c9a827ed2737f7153766579b43812fad7f
tcp_port:6379
server_time_usec:1678083811849622
uptime_in_seconds:408
uptime_in_days:0
hz:10
configured_hz:10
lru_clock:362211
executable:/usr/local/redis/bin/redis-server
config_file:/usr/local/redis/etc/redis.conf
io_threads_active:0
# Clients
connected_clients:2
cluster_connections:0
maxclients:10000
client_recent_max_input_buffer:48
client_recent_max_output_buffer:0
blocked_clients:0
tracking_clients:0
clients_in_timeout_table:0
# Memory
used_memory:953840
used_memory_human:931.48K
used_memory_rss:2490368
used_memory_rss_human:2.38M
used_memory_peak:1008688
used_memory_peak_human:985.05K
used_memory_peak_perc:94.56%
used_memory_overhead:918248
used_memory_startup:884160
used_memory_dataset:35592
used_memory_dataset_perc:51.08%
allocator_allocated:919424
allocator_active:2452480
allocator_resident:2452480
total_system_memory:1038635008
total_system_memory_human:990.52M
used_memory_lua:37888
used_memory_lua_human:37.00K
used_memory_scripts:0
used_memory_scripts_human:0B
number_of_cached_scripts:0
maxmemory:1000000000
maxmemory_human:953.67M
maxmemory_policy:noeviction
allocator_frag_ratio:2.67
allocator_frag_bytes:1533056
allocator_rss_ratio:1.00
allocator_rss_bytes:0
rss_overhead_ratio:1.02
rss_overhead_bytes:37888
mem_fragmentation_ratio:2.71
mem_fragmentation_bytes:1570944
mem_not_counted_for_evict:20
mem_replication_backlog:0
mem_clients_slaves:0
mem_clients_normal:34064
mem_aof_buffer:24
mem_allocator:libc
active_defrag_running:0
lazyfree_pending_objects:0
lazyfreed_objects:0
# Persistence
loading:0
current_cow_size:0
current_cow_size_age:0
current_fork_perc:0.00
current_save_keys_processed:0
current_save_keys_total:0
rdb_changes_since_last_save:0
rdb_bgsave_in_progress:0
rdb_last_save_time:1678083403
rdb_last_bgsave_status:ok
rdb_last_bgsave_time_sec:-1
rdb_current_bgsave_time_sec:-1
rdb_last_cow_size:0
aof_enabled:1
aof_rewrite_in_progress:0
aof_rewrite_scheduled:0
aof_last_rewrite_time_sec:-1
aof_current_rewrite_time_sec:-1
aof_last_bgrewrite_status:ok
aof_last_write_status:ok
aof_last_cow_size:0
module_fork_in_progress:0
module_fork_last_cow_size:0
aof_current_size:0
aof_base_size:0
aof_pending_rewrite:0
aof_buffer_length:0
aof_rewrite_buffer_length:0
aof_pending_bio_fsync:0
aof_delayed_fsync:0
# Stats
total_connections_received:2
total_commands_processed:6
instantaneous_ops_per_sec:0
total_net_input_bytes:225
total_net_output_bytes:40725
instantaneous_input_kbps:0.00
instantaneous_output_kbps:0.00
rejected_connections:0
sync_full:0
sync_partial_ok:0
sync_partial_err:0
expired_keys:0
expired_stale_perc:0.00
expired_time_cap_reached_count:0
expire_cycle_cpu_milliseconds:5
evicted_keys:0
keyspace_hits:0
keyspace_misses:0
pubsub_channels:0
pubsub_patterns:0
latest_fork_usec:0
total_forks:0
migrate_cached_sockets:0
slave_expires_tracked_keys:0
active_defrag_hits:0
active_defrag_misses:0
active_defrag_key_hits:0
active_defrag_key_misses:0
tracking_total_keys:0
tracking_total_items:0
tracking_total_prefixes:0
unexpected_error_replies:0
total_error_replies:0
dump_payload_sanitizations:0
total_reads_processed:7
total_writes_processed:6
io_threaded_reads_processed:0
io_threaded_writes_processed:0
# Replication
role:master
connected_slaves:0
master_failover_state:no-failover
master_replid:d4bd6d6fdc6e42a2d9bb1b423f4f67c8b32ec7fe
master_replid2:0000000000000000000000000000000000000000
master_repl_offset:0
second_repl_offset:-1
repl_backlog_active:0
repl_backlog_size:1048576
repl_backlog_first_byte_offset:0
repl_backlog_histlen:0
# CPU
used_cpu_sys:0.151776
used_cpu_user:0.134048
used_cpu_sys_children:0.000000
used_cpu_user_children:0.000000
used_cpu_sys_main_thread:0.152431
used_cpu_user_main_thread:0.133377
# Modules
# Errorstats
# Cluster
cluster_enabled:0
# Keyspace
【玩转“云耀云服务器（HECS）”有奖征文来袭！惊喜大礼包激励等你来拿！】有奖征文第20期正在火热进行中：
https://bbs.huaweicloud.com/blogs/391930
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