Redis?????????????????????????
???????????? ???????[ 2012/8/8 9:59:43 ] ????????
??3?????????
????????slave?????????????????slave??????????м???????????
slaveof 192.168.1.1 6379 #???master??ip????
???????????????????????????δ?????????????
1.# slaveof <masterip> <masterport>
2.slaveof localhost 6379
????????????????????????????6379??????????6378??
???????????????????????£?
1.[root@localhost redis-2.2.12]# src/redis-server redis.conf
2.[7064] 09 Aug 20:13:12 * Server started?? Redis version 2.2.12
3.[7064] 09 Aug 20:13:12 # WARNING overcommit_memory is set to 0! Background save may fail under low memory condition. To fix this issue add 'vm.overcommit_memory = 1' to /etc/sysctl.conf and then reboot or run the command 'sysctl vm.overcommit_memory=1' for this to take effect.
4.[7064] 09 Aug 20:13:12 * The server is now ready to accept connections on port 6379
5.[7064] 09 Aug 20:13:13 - 0 clients connected (0 slaves)?? 539512 bytes in use
6.[7064] 09 Aug 20:13:18 - 0 clients connected (0 slaves)?? 539512 bytes in use
7.[7064] 09 Aug 20:13:20 - Accepted 127.0.0.1:37789
8.[7064] 09 Aug 20:13:20 * Slave ask for synchronization
9.[7064] 09 Aug 20:13:20 * Starting BGSAVE for SYNC
10.[7064] 09 Aug 20:13:20 * Background saving started by pid 7067
11.[7067] 09 Aug 20:13:20 * DB saved on disk
12.[7064] 09 Aug 20:13:20 * Background saving terminated with success
13.[7064] 09 Aug 20:13:20 * Synchronization with slave succeeded
14.[7064] 09 Aug 20:13:23 - 0 clients connected (1 slaves)?? 547380 bytes in use
?????????????????????£?
1.[root@localhost redis-2.2.12]# src/redis-server redis.slave
2.[7066] 09 Aug 20:13:20 * Server started?? Redis version 2.2.12
3.[7066] 09 Aug 20:13:20 # WARNING overcommit_memory is set to 0! Background save may fail under low memory condition. To fix this issue add 'vm.overcommit_memory = 1' to /etc/sysctl.conf and then reboot or run the command 'sysctl vm.overcommit_memory=1' for this to take effect.
4.[7066] 09 Aug 20:13:20 * The server is now ready to accept connections on port 6378
5.[7066] 09 Aug 20:13:20 - 0 clients connected (0 slaves)?? 539548 bytes in use
6.[7066] 09 Aug 20:13:20 * Connecting to MASTER...
7.[7066] 09 Aug 20:13:20 * MASTER <-> SLAVE sync started: SYNC sent
8.[7066] 09 Aug 20:13:20 * MASTER <-> SLAVE sync: receiving 10 bytes from master
9.[7066] 09 Aug 20:13:20 * MASTER <-> SLAVE sync: Loading DB in memory
10.[7066] 09 Aug 20:13:20 * MASTER <-> SLAVE sync: Finished with success
11.[7068] 09 Aug 20:13:20 * SYNC append only file rewrite performed
12.[7066] 09 Aug 20:13:20 * Background append only file rewriting started by pid 7068
13.[7066] 09 Aug 20:13:21 * Background append only file rewriting terminated with success
14.[7066] 09 Aug 20:13:21 * Parent diff flushed into the new append log file with success (0 bytes)
15.[7066] 09 Aug 20:13:21 * Append only file successfully rewritten.
16.[7066] 09 Aug 20:13:21 * The new append only file was selected for future appends.
17.[7066] 09 Aug 20:13:25 - 1 clients connected (0 slaves)?? 547396 bytes in use
???????????????????????????
1.redis 127.0.0.1:6379> set name HongWan
2.OK
3.redis 127.0.0.1:6379>
???????????????????
1.redis 127.0.0.1:6378> get name
2."HongWan"
3.redis 127.0.0.1:6378>
???????????????????????
???????????????ж???????????????????????????info????????????????????????????????????info????
1.redis 127.0.0.1:6378> info
2..
3..
4..
5.role:slave
6.master_host:localhost
7.master_port:6379
8.master_link_status:up
9.master_last_io_seconds_ago:10
10.master_sync_in_progress:0
11.db0:keys=1??expires=0
12.redis 127.0.0.1:6378>
????????????????????????ж???????????????????????????????????master_link_status????????????????????????=up????????????????????=down????????????
????db0:keys=1??expires=0???????????????м???key?????????key????????
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