redis 动态修改配置

redis内存不够怎么办，原来

####得到redis的配置参数 # /data/app/redis/bin/redis-cli

127.0.0.1:6379> config get *
  1) "dbfilename"
  2) "dump.rdb"
  3) "requirepass"
  4) ""
  5) "masterauth"
  6) ""
  7) "unixsocket"
  8) ""
......

####修改redis maxmemoory配置

127.0.0.1:6379> config get maxmemory
1) "maxmemory"
2) "1073741824"
127.0.0.1:6379> config set maxmemory 2g
OK
127.0.0.1:6379> config get maxmemory
1) "maxmemory"
2) "2000000000"