Redis-Migrate-Tool 使用详解
Redis 集群迁移工具,基于redis复制,快速,稳定。
github链接:https://github.com/vipshop/redis-migrate-tool
特点:
迁移工具的来源可以是:单独的redis实例,twemproxy集群,redis cluster,rdb文件,aof文件。
迁移工具的目标可以是:单独的redis实例,twemproxy集群,redis cluster,rdb文件。
#安装依赖:
yum install autoconf automake libtool bzip2
#linux机器上下载包
git clone https://github.com/vipshop/redis-migrate-tool
软件编译安装:
$ cd redis-migrate-tool
$ autoreconf -fvi
$ ./configure
$ make
$ src/redis-migrate-tool -h
软件运行:
src/redis-migrate-tool -c rmt.conf -o log -d
配置文件示例:从redis cluster集群迁移数据到twemproxy集群
[source]
type: redis cluster
servers:
- 127.0.0.1:6379
[target]
type: twemproxy
hash: fnv1a_64
hash_tag: "{}"
distribution: ketama
servers:
- 127.0.0.1:6380:1 server1
- 127.0.0.1:6381:1 server2
- 127.0.0.1:6382:1 server3
- 127.0.0.1:6383:1 server4
[common]
listen: 0.0.0.0:34345
threads: 8
step: 1
mbuf_size: 512
source_safe: true
配置文件示例:从redis cluster集群迁移数据到另外一个cluster集群
[source]
type: redis cluster
servers:
- 127.0.0.1:8379
[target]
type: redis cluster
servers:
- 127.0.0.1:7379
[common]
listen: 0.0.0.0:8888
配置文件示例:从rdb文件恢复数据到redis cluster集群[source]
type: rdb file
servers:
- /data/redis/dump1.rdb
- /data/redis/dump2.rdb
- /data/redis/dump3.rdb
[target]
type: redis cluster
servers:
- 127.0.0.1:7379
[common]
listen: 0.0.0.0:8888
状态查看:通过redis-cli连接redis-migrate-tool监控的端口,运行info命令
$redis-cli -h 127.0.0.1 -p 8888
127.0.0.1:8888> info
# Server
version:0.1.0
os:Linux 2.6.32-573.12.1.el6.x86_64 x86_64
multiplexing_api:epoll
gcc_version:4.4.7
process_id:9199
tcp_port:8888
uptime_in_seconds:1662
uptime_in_days:0
config_file:/ect/rmt.conf
# Clients
connected_clients:1
max_clients_limit:100
total_connections_received:3
# Memory
mem_allocator:jemalloc-4.0.4
# Group
source_nodes_count:32
target_nodes_count:48
# Stats
all_rdb_received:1
all_rdb_parsed:1
rdb_received_count:32
rdb_parsed_count:32
total_msgs_recv:7753587
total_msgs_sent:7753587
total_net_input_bytes:234636318
total_net_output_bytes:255384129
total_net_input_bytes_human:223.77M
total_net_output_bytes_human:243.55M
total_mbufs_inqueue:0
total_msgs_outqueue:0
127.0.0.1:8888>
数据校验:
$src/redis-migrate-tool -c rmt.conf -o log -C redis_check
Check job is running...
Checked keys: 1000
Inconsistent value keys:0
Inconsistent expire keys : 0
Other check errorkeys: 0
Checked OK keys: 1000
All keys checked OK!
Check job finished, used 1.041s