redis 数据迁移之 redis-shake，java 高级技术经理面试题
1、下载 redis-shake
2、解压
tar -zxvf redis-shake-v2.0.2.tar.gz
3、修改配置文件
更改配置文件 redis-shake.conf
vi redis-shake.conf
修改日志存储位置
log file，日志文件，不配置将打印到 stdout (e.g. /var/log/redis-shake.log )
log.file =/opt/shake/logs/redis-shake.log
配置原 redis 库
source.address = 10.10.12.41:6379
密码没有为空 有则填写
source.password_raw =
source redis configuration.
used in dump, sync and rump.
source redis type, e.g. "standalone" (default), "sentinel" or "cluster".
1. "standalone": standalone db mode.
2. "sentinel": the redis address is read from sentinel.
3. "cluster": the source redis has several db.
4. "proxy": the proxy address, currently, only used in "rump" mode.
源端 redis 的类型，支持 standalone，sentinel，cluster 和 proxy 四种模式，注意：目前 proxy 只用于 rump 模式。
source.type = standalone
ip:port
the source address can be the following:
1. single db address. for "standalone" type.
2. {master or slave}@sentinel single/cluster address, e.g., mymaster:master@127.0.0.1:26379;127.0.0.1:26380, or @127.0.0.1:26379;127.0.0.1:26380. for "sentinel" type.
3. cluster that has several db nodes split by semicolon(;). for "cluster" type. e.g., 10.1.1.1:20331;10.1.1.2:20441.
4. proxy address(used in "rump" mode only). for "proxy" type.
源 redis 地址。对于 sentinel 或者开源 cluster 模式，输入格式为"master 名字:拉取角色为 master 或者 slave@sentinel 的地址"，别的 cluster
架构，比如 codis, twemproxy, aliyun proxy 等需要配置所有 master 或者 slave 的 db 地址。
source.address = 10.10.12.41:6379
password of db/proxy. even if type is sentinel.
source.password_raw =
auth type, don't modify it
source.auth_type = auth
tls enable, true or false. Currently, only support standalone.
open source redis does NOT support tls so far, but some cloud versions do.
source.tls_enable = false
input RDB file.
used in decode and `r
复制代码
estore`.
if the input is list split by semicolon(;), redis-shake will restore the list one by one.
如果是 decode 或者 restore，这个参数表示读取的 rdb 文件。支持输入列表，例如：rdb.0;rdb.1;rdb.2
redis-shake 将会挨个进行恢复。
source.rdb.input = local
the concurrence of RDB syncing, default is len(source.address) or len(source.rdb.input).
used in dump, sync and restore. 0 means default.
This is useless when source.type isn't cluster or only input is only one RDB.
拉取的并发度，如果是dump或者sync，默认是 source.address 中 db 的个数，restore模式默认 len(source.rdb.input)。
假如 db 节点/输入的 rdb 有 5 个，但 rdb.parallel=3，那么一次只会
并发拉取 3 个 db 的全量数据，直到某个 db 的 rdb 拉取完毕并进入增量，才会拉取第 4 个 db 节点的 rdb，
以此类推，最后会有 len(source.address)或者 len(rdb.input)个增量线程同时存在。
source.rdb.parallel = 0
for special cloud vendor: ucloud
used in decode and restore.
ucloud 集群版的 rdb 文件添加了 slot 前缀，进行特判剥离: ucloud_cluster。
source.rdb.special_cloud =
迁移目标库配置
配置原 redis 库
source.address = 10.10.12.42:6380
密码没有为空 有则填写
source.password_raw =
# 当源目的有重复 key，是否进行覆写
# rewrite 表示源端覆盖目的端。
# none 表示一旦发生进程直接退出。
# ignore 表示保留目的端 key，忽略源端的同步 key。该值在 rump 模式下没有用。
#默认 none? ?
#该值在 rump 模式下没有用。
key_exists = rewrite? ?
target redis configuration. used in restore, sync and rump.
the type of target redis can be "standalone", "proxy" or "cluster".
1. "standalone": standalone db mode.
2. "sentinel": the redis address is read from sentinel.
3. "cluster": open source cluster (not supported currently).
4. "proxy": proxy layer ahead redis. Data will be inserted in a round-robin way if more than 1 proxy given.
目的 redis 的类型，支持 standalone，sentinel，cluster 和 proxy 四种模式。
target.type = standalone
ip:port
the target address can be the following:
1. single db address. for "standalone" type.
2. {master or slave}@sentinel single/cluster address, e.g., mymaster:master@127.0.0.1:26379;127.0.0.1:26380, or @127.0.0.1:26379;127.0.0.1:26380. for "sentinel" type.
3. cluster that has several db nodes split by semicolon(;). for "cluster" type.
4. proxy address. for "proxy" type.
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