docker安裝redis掛載容器卷同時(shí)開(kāi)啟持久化
說(shuō)明:centOS操作系統(tǒng),操作系統(tǒng)已安裝過(guò)redis,端口6379已被占用。容器將會(huì)使用6380端口。本次操作為了實(shí)例化redis數(shù)據(jù),并掛載到宿主機(jī),防止容器被刪除導(dǎo)致的數(shù)據(jù)丟失!
一、安裝
1.搜索redis容器鏡像并拉取容器鏡像
[root@localhost]# docker search --limit 10 redis [root@localhost]# docker pull redis
2.在宿主機(jī)本地創(chuàng)建redis存儲(chǔ)配置文件和數(shù)據(jù)的目錄,我這里創(chuàng)建/docker/redis下
[root@localhost redis]# pwd /docker/redis
3.配置文件
復(fù)制原有redis.conf到/docker/redis/目錄下
修改配置(最重要主要4項(xiàng):修改后臺(tái)運(yùn)行默認(rèn)為no、端口、存放位置、開(kāi)啟持久化):
requirepass 123 maxclients 10000 #如果要外網(wǎng)訪問(wèn),請(qǐng)注釋掉下面,或者修改為0.0.0.0,保險(xiǎn)起見(jiàn),也可以把protected-mode設(shè)置為no bind 0.0.0.0 protected-mode no #注意修改這里端口,根據(jù)你實(shí)際暴露端口情況配置 port 6380 tcp-backlog 511 timeout 0 tcp-keepalive 300 #注意這里要把后臺(tái)運(yùn)行設(shè)置為no,避免docker后臺(tái)運(yùn)行沖突 daemonize no supervised no pidfile /docker/redis/redis.pid loglevel notice databases 16 always-show-logo yes save 900 1 save 300 10 save 60 10000 stop-writes-on-bgsave-error yes rdbcompression yes rdbchecksum yes dbfilename dump.rdb #注意修改這里的目錄為容器內(nèi)目錄,默認(rèn)reids進(jìn)來(lái)是在/data/目錄 dir /data/ replica-serve-stale-data yes replica-read-only yes repl-diskless-sync no repl-diskless-sync-delay 5 repl-disable-tcp-nodelay no replica-priority 100 lazyfree-lazy-eviction no lazyfree-lazy-expire no lazyfree-lazy-server-del no replica-lazy-flush no #注意修改這里的配置,yes開(kāi)啟持久化,no關(guān)閉持久化 appendonly yes appendfilename "appendonly.aof" appendfsync everysec no-appendfsync-on-rewrite no auto-aof-rewrite-percentage 100 auto-aof-rewrite-min-size 64mb aof-load-truncated yes aof-use-rdb-preamble yes lua-time-limit 5000 slowlog-log-slower-than 10000 slowlog-max-len 128 latency-monitor-threshold 0 notify-keyspace-events "" hash-max-ziplist-entries 512 hash-max-ziplist-value 64 list-max-ziplist-size -2 list-compress-depth 0 set-max-intset-entries 512 zset-max-ziplist-entries 128 zset-max-ziplist-value 64 hll-sparse-max-bytes 3000 stream-node-max-bytes 4096 stream-node-max-entries 100 activerehashing yes client-output-buffer-limit normal 0 0 0 client-output-buffer-limit replica 256mb 64mb 60 client-output-buffer-limit pubsub 32mb 8mb 60 hz 10 dynamic-hz yes aof-rewrite-incremental-fsync yes rdb-save-incremental-fsync yes
4.啟動(dòng)容器
啟動(dòng)命令:docker run -p 6380:6380 --name forredis2 --privileged=true -v /docker/redis/redis.conf:/etc/redis/redis.conf -v /docker/redis/data:/data -d redis
效果如下:
[root@localhost]# docker run -p 6380:6380 --name forredis2 --privileged=true -v /docker/redis/redis.conf:/etc/redis/redis.conf -v /docker/redis/data:/data -d redis d536dd728243ccee23b78e0289e30f7ee25084d308766fb9aa317d691d0dea7d [root@localhost]# docker ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES d536dd728243 redis "docker-entrypoint.s…" 3 seconds ago Up 2 seconds 6379/tcp, 0.0.0.0:6380->6380/tcp, :::6380->6380/tcp forredis2參數(shù)講解:
參數(shù)介紹:
- docker run -p 6380:6380 --name forredis2 別名
- --privileged=true 掛載容器卷目錄權(quán)限
- -v /docker/redis/redis.conf[宿主機(jī)配置文件]:/etc/redis/redis.conf [容器配置文件]
- -v /docker/redis/data[宿主機(jī)數(shù)據(jù)存儲(chǔ)位置]:/data [容器數(shù)據(jù)存儲(chǔ)位置]
- -d redis[:版本號(hào)]
二、進(jìn)入容器,指定配置文件啟動(dòng)redis服務(wù)
1.啟動(dòng)redis服務(wù)
[root@localhost data]# docker exec -it forredis2 /bin/bash
root@d536dd728243:/data# redis-server /etc/redis/redis.conf
24:C 02 Jun 2022 02:42:56.096 # oO0OoO0OoO0Oo Redis is starting oO0OoO0OoO0Oo
24:C 02 Jun 2022 02:42:56.096 # Redis version=6.2.6, bits=64, commit=00000000, modified=0, pid=24, just started
24:C 02 Jun 2022 02:42:56.096 # Configuration loaded
24:M 02 Jun 2022 02:42:56.097 * monotonic clock: POSIX clock_gettime
_._
_.-``__ ''-._
_.-`` `. `_. ''-._ Redis 6.2.6 (00000000/0) 64 bit
.-`` .-```. ```\/ _.,_ ''-._
( ' , .-` | `, ) Running in standalone mode
|`-._`-...-` __...-.``-._|'` _.-'| Port: 6380
| `-._ `._ / _.-' | PID: 24
`-._ `-._ `-./ _.-' _.-'
|`-._`-._ `-.__.-' _.-'_.-'|
| `-._`-._ _.-'_.-' | https://redis.io
`-._ `-._`-.__.-'_.-' _.-'
|`-._`-._ `-.__.-' _.-'_.-'|
| `-._`-._ _.-'_.-' |
`-._ `-._`-.__.-'_.-' _.-'
`-._ `-.__.-' _.-'
`-._ _.-'
`-.__.-'
如果要后臺(tái)運(yùn)行,將啟動(dòng)redis命令后加上&,即
redis-server /etc/redis/redis.conf &
“/etc/redis/redis.conf”為容器內(nèi)配置文件,已通過(guò)啟動(dòng)容器時(shí)掛載到宿主機(jī)的/docker/redis/redis.conf
2.指定6380端口登陸客戶端
root@ce16f8c4fd8c:/data# redis-cli -p 6380 127.0.0.1:6380> auth 123 OK 127.0.0.1:6380> keys * (empty array) 127.0.0.1:6380> set a 1 OK 127.0.0.1:6380> keys * 1) "a"
三、刪除容器后重新啟動(dòng)容器
為了驗(yàn)證redis持久化,刪除容器后數(shù)據(jù)在宿主機(jī)不會(huì)丟失,我們嘗試刪除容器后重新啟動(dòng)
1.刪除,然后查看宿主機(jī)目錄下是否有持久化文件,查看這一步可以放在上一步后
[root@localhost ~]# docker rm -f forredis2 forredis2 [root@localhost ~]# docker ps -a CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES e28f2bd4b59e redis "docker-entrypoint.s…" 10 hours ago Exited (130) 10 hours ago exciting_yalow 4e291d491cda redis "docker-entrypoint.s…" 10 hours ago Exited (0) 10 hours ago dreamy_rhodes be3f2f06ed9f redis "docker-entrypoint.s…" 12 hours ago Exited (0) 12 hours ago awesome_jones 9a206e517842 redis "docker-entrypoint.s…" 12 hours ago Exited (0) 12 hours ago hopeful_volhard 69c9f429c98a 7614ae9453d1 "docker-entrypoint.s…" 16 hours ago Exited (1) 16 hours ago youthful_goodall 25f26d7892d5 redis "docker-entrypoint.s…" 18 hours ago Exited (0) 16 hours ago amazing_lovelace [root@localhost ~]# docker ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES [root@localhost ~]# cd /docker/redis/data/ [root@localhost data]# ls appendonly.aof dump.rdb
2.重啟容器
[root@localhost data]# docker run -p 6380:6380 --name forredis2 --privileged=true -v /docker/redis/redis.conf:/etc/redis/redis.conf -v /docker/redis/data:/data -d redis d536dd728243ccee23b78e0289e30f7ee25084d308766fb9aa317d691d0dea7dc
重復(fù)第【二】步的操作,進(jìn)入redis,查看數(shù)據(jù)是否存在
[root@localhost ~]# docker exec -it forredis2 /bin/bash root@d536dd728243:/data# redis-cli -p 6380 127.0.0.1:6380> auth 123 127.0.0.1:6380> keys * 1) "a"
數(shù)據(jù)存在,成功!
到此這篇關(guān)于docker安裝redis掛載容器卷同時(shí)開(kāi)啟持久化的文章就介紹到這了,更多相關(guān)docker 安裝redis掛載容器卷內(nèi)容請(qǐng)搜索腳本之家以前的文章或繼續(xù)瀏覽下面的相關(guān)文章希望大家以后多多支持腳本之家!
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