redis 数据迁移（RDB文件-》集群）

1. 迁移工具

github.com/tanruixing8…

另外自己做了一个包含此工具的镜像,可以下载使用

docker pull lyman1567/redis-migrate-tool复制代码

2 迁移数据配置

#rmt.conf[source]type: rdb fileservers: - /usr/local/etc/redis/dump.rdb[target]type: redis clusterservers: - 10.0.0.10:6379[common]listen: 0.0.0.0:8888复制代码

3 准备好后，开始部署

$ docker psCONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMESbea2824575f6 redis-cluster-node"/bin/bash /start.sh"39 minutes ago Up 39 minutes 0.0.0.0:6379->6379/tcp docker-redis-cluster-605_redis-1_1a3d701b0ec4f redis-cluster-node"/bin/bash /start.sh"39 minutes ago Up 39 minutes 0.0.0.0:6382->6379/tcp docker-redis-cluster-605_redis-4_1075c167803af redis-cluster-node"/bin/bash /start.sh"39 minutes ago Up 39 minutes 0.0.0.0:6383->6379/tcp docker-redis-cluster-605_redis-5_124e69de07e17 redis-cluster-node"/bin/bash /start.sh"39 minutes ago Up 39 minutes 0.0.0.0:6380->6379/tcp docker-redis-cluster-605_redis-2_17105bf04fcb7 redis-cluster-node"/bin/bash /start.sh"39 minutes ago Up 39 minutes 0.0.0.0:6381->6379/tcp docker-redis-cluster-605_redis-3_1ca51ec501820 redis-cluster-node"/bin/bash /start.sh"39 minutes ago Up 39 minutes 0.0.0.0:6384->6379/tcp docker-redis-cluster-605_redis-6_1$ docker imageslyman1567/redis-migrate-tool latest 72c4a8146559 11 hours ago 473MB$ docker run -it --network=container:bea2824575f6 --pid=container:bea2824575f6 -v C:/redis-migrate-tool/data:/usr/local/etc lyman1567/redis-migrate-tool bash复制代码

4 进入集群容器执行

[root@bea2824575f6 /]# cd /usr/local/etc[root@bea2824575f6 etc]# lsconf redis[root@bea2824575f6 etc]# cd conf[root@bea2824575f6 etc]# vi rmt.conf[source]type: rdb fileservers: - /usr/local/etc/redis/dump.rdb[target]type: redis clusterservers: - 10.0.0.10:6379[common]listen: 0.0.0.0:8888复制代码

5 确认好后，执行

[root@bea2824575f6 conf]# redis-migrate-tool -c rmt.conf -o output.log -d复制代码

6 查看log

[2021-01-30 14:01:58.742] rmt_core.c:525 Nodes count of source group : 1

[2021-01-30 14:01:58.742] rmt_core.c:526 Total threads count : 12

[2021-01-30 14:01:58.742] rmt_core.c:527 Read threads count assigned: 1

[2021-01-30 14:01:58.742] rmt_core.c:528 Write threads count assigned: 1

[2021-01-30 14:01:58.744] rmt_core.c:2443 Total threads count in fact: 1

[2021-01-30 14:01:58.745] rmt_core.c:2444 Read threads count in fact: 0

[2021-01-30 14:01:58.745] rmt_core.c:2445 Write threads count in fact: 1

[2021-01-30 14:01:58.745] rmt_core.c:2487 write thread(0):

[2021-01-30 14:01:58.745] rmt_core.c:2493 /usr/local/etc/redis/dump.rdb

[2021-01-30 14:01:58.745] rmt_connect.c:798 bind on p 8 to addr '0.0.0.0:8888' failed: Address already in use

[2021-01-30 14:01:58.745] rmt_connect.c:1690 ERROR: get proxy connect failed.

[2021-01-30 14:02:28.174] rmt_core.c:525 Nodes count of source group : 1

[2021-01-30 14:02:28.174] rmt_core.c:526 Total threads count : 12

[2021-01-30 14:02:28.174] rmt_core.c:527 Read threads count assigned: 1

[2021-01-30 14:02:28.175] rmt_core.c:528 Write threads count assigned: 1

[2021-01-30 14:02:28.175] rmt_core.c:2443 Total threads count in fact: 1

[2021-01-30 14:02:28.175] rmt_core.c:2444 Read threads count in fact: 0

[2021-01-30 14:02:28.175] rmt_core.c:2445 Write threads count in fact: 1

[2021-01-30 14:02:28.176] rmt_core.c:2487 write thread(0):

[2021-01-30 14:02:28.176] rmt_core.c:2493 /usr/local/etc/redis/dump.rdb

[2021-01-30 14:02:28.176] rmt_core.c:2550 migrate job is running...

[2021-01-30 14:04:06.171] rmt_redis.c:6685 Rdb file for node[/usr/local/etc/redis/dump.rdb] parsed finished, use: 97 s.

可以看出来：rdb总用时97秒

7 查看集群数据

redis--port:6379

127.0.0.1:6379> info....# Keyspacedb0:keys=695608,expires=0,avg_ttl=0复制代码

如果想用两个不同的容器加入同一网络，进行数据迁移可以参考下面博文：

redis 数据迁移（RDB文件-》集群）

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