root@e7576f2fbb11:/# redis-cli save
OK
root@e7576f2fbb11:/# redis-cli info|grep save　　　　　　　　#查看持久化相关信息
rdb_changes_since_last_save:0
rdb_bgsave_in_progress:0
rdb_last_save_time:1497083505
rdb_last_bgsave_status:ok
rdb_last_bgsave_time_sec:0
rdb_current_bgsave_time_sec:-1
root@e7576f2fbb11:/# tail -n 4 /var/log/redis/redis-server.log
61:C 10 Jun 08:20:46.257 * DB saved on disk
61:C 10 Jun 08:20:46.258 * RDB: 0 MB of memory used by copy-on-write
29:M 10 Jun 08:20:46.316 * Background saving terminated with success
29:M 10 Jun 08:31:45.676 * DB saved on disk　　　　　　　　　　　　###运行redis-cli save对应的redis服务日志

root@e7576f2fbb11:/# redis-cli bgsave
Background saving started
root@e7576f2fbb11:/# redis-cli info|grep fork
latest_fork_usec:771　　　　　　　　　　　　　　　　　　#####最近一次fork子进程阻塞用的时间us
root@e7576f2fbb11:/# redis-cli info|grep save     #####获取持久化相关信息
rdb_changes_since_last_save:0
rdb_bgsave_in_progress:0
rdb_last_save_time:1497084106　　　　　　　　　　　　　####最后一个RDB时间
rdb_last_bgsave_status:ok
rdb_last_bgsave_time_sec:0
rdb_current_bgsave_time_sec:-1
root@e7576f2fbb11:/# tail -n 4 /var/log/redis/redis-server.log　　　　####使用bgsave持久化redis服务产生的日志
29:M 10 Jun 08:41:46.346 * Background saving started by pid 77
77:C 10 Jun 08:41:46.380 * DB saved on disk
77:C 10 Jun 08:41:46.381 * RDB: 0 MB of memory used by copy-on-write
29:M 10 Jun 08:41:46.385 * Background saving terminated with success

root@e7576f2fbb11:/# grep ‘save‘ /etc/redis/redis.conf
#   save <seconds> <changes>
#   Will save the DB if both the given number of seconds and the given
#   In the example below the behaviour will be to save:
#   Note: you can disable saving completely by commenting out all "save" lines.
#   It is also possible to remove all the previously configured save
#   points by adding a save directive with a single empty string argument
#   save ""
save 900 1　　　　　　　　###900s内至少一次改动,自动触发bgsave
save 300 10　　　　　　　　###300s内至少10次改动,自动触发bgsave
save 60 10000　　　　　　###60s内至少10000次改动,自动触发bgsave
# save ""　　　　　　　　###如果最后一行是save ""则上面自动触发bgsave规则会失效

root@e7576f2fbb11:/# egrep -i "filename|dir" /etc/redis/redis.conf
# line as value of a configuration directive, you‘d better put includes
# interfaces using the "bind" configuration directive, followed by one or
#   points by adding a save directive with a single empty string argument
# The filename where to dump the DB
dbfilename dump.rdb　　　　　　　　　　#RDB文件保存的文件名，默认采取压缩
# The working directory.
# The DB will be written inside this directory, with the filename specified
# above using the ‘dbfilename‘ configuration directive.
# The Append Only File will also be created inside this directory.
# Note that you must specify a directory here, not a file name.
dir /var/lib/redis　　　　　　　　　　###RDB文件保存目录

root@e7576f2fbb11:/# redis-cli -h 127.0.0.1 -p 6379  config set dir /var/lib/
OK
root@e7576f2fbb11:/# redis-cli -h 127.0.0.1 -p 6379  config set filename newfilename.rdb
(error) ERR Unsupported CONFIG parameter: filename
root@e7576f2fbb11:/# redis-cli -h 127.0.0.1 -p 6379  config set dbfilename newfilename.rdb
OK
root@e7576f2fbb11:/# redis-cli bgsave
Background saving started
root@e7576f2fbb11:/# ls -l /var/lib/newfilename.rdb
-rw-r--r-- 1 root root 34 Jun 10 09:28 /var/lib/newfilename.rdb
root@e7576f2fbb11:/# date
Sat Jun 10 09:29:14 UTC 2017
root@e7576f2fbb11:/#
root@e7576f2fbb11:/# redis-check-dump /var/lib/newfilename.rdb　　　　　　　　#####使用redis-check-dump 工具检测RDB文件是否有问题.
==== Processed 3 valid opcodes (in 17 bytes) ===================================
CRC64 checksum is OK