Redis data migration: Method 1 RDB

Single machine migration , adopt RDB transfer  

Source instance ：127.0.0.1:7000

Examples of goals ：127.0.0.1:8000

127.0.0.1:7000 There is k1-k100, altogether 100 individual key;

step1,redis 7000 perform bgsave, Save the data

standalone]# redis-cli -h 127.0.0.1 -p 7000 bgsave
Background saving started

step2, Copy 7000.rdb by 8000.rdb

standalone]# cp 7000.rdb 8000.rdb

step3, start-up 8000.rdb

standalone]# redis-server  8000.conf

step4 verification redis 800 Medium key

standalone]# redis-cli -h 127.0.0.1 -p 8000 keys "*" 
  1) "k10"
  2) "k4"
  3) "k45"
  4) "k64"
  5) "k67"
  6) "k13"
  7) "k97"
  8) "k90"
  9) "k43"
 10) "k39"
 11) "k68"
 12) "k3"
 13) "k29"
 14) "k26"

Migration complete