Shulou(Shulou.com)06/01 Report--

Aof recovery brief procedure:

[root@ZFRC-YW-YJF-TEST-370123 redis] # pkill-9 redis

[root@ZFRC-YW-YJF-TEST-370123 ~] # cd / var/dir

[root@ZFRC-YW-YJF-TEST-370123] # rm-rf *

Clear the existing environment backup files; then start the server process to add new data

[root@ZFRC-YW-YJF-TEST-370123 redis] #. / bin/redis-server. / redis.conf

[root@ZFRC-YW-YJF-TEST-370123 redis] #. / bin/redis-server. / redis6380.conf

[root@ZFRC-YW-YJF-TEST-370123 redis] #. / bin/redis-server. / redis6381.conf

[root@ZFRC-YW-YJF-TEST-370123 redis] #. / bin/redis-cli

127.0.0.1 6379 > keys *

(empty list or set)

127.0.0.1 purl 6379 > set site www.baidu.com

OK

127.0.0.1 purl 6379 > set name yjf

OK

127.0.0.1 purl 6379 > set addr bj

OK

127.0.0.1 purl 6379 > flushall

OK

127.0.0.1 purl 6379 > get name

(nil)

At this point, be sure to stop the service to avoid writing to others and rewrite the aof. And aof records that there are also flushall operations.

[root@ZFRC-YW-YJF-TEST-370123 dir] # more laoyang-appendonly.aof

two

$6

SELECT

, 1

0

three

$3

Set

$4

Site

$13

Www.baidu.com

three

$3

Set

$4

Name

$3

Yjf

three

$3

Set

$4

Addr

$2

Bj

, 1

$8

Flushall

127.0.0.1 6379 > shutdown nosave-shutdown operation does not log

Not connected >

Then edit the aof generation file. Drop the last dangerous operation flushall to dd. Pay attention to the format of the record, which usually begins with * and ends with the command.

[root@ZFRC-YW-YJF-TEST-370123 dir] # vim laoyang-appendonly.aof

Delete the following three lines and save exit

, 1

$8

Flushall

Then restart the service, log in to query, if not, log in again after exit

[root@ZFRC-YW-YJF-TEST-370123 redis] #. / bin/redis-server. / redis.conf

[root@ZFRC-YW-YJF-TEST-370123 redis] #. / bin/redis-cli

127.0.0.1 purl 6379 > get name

(nil)

127.0.0.1 purl 6379 > exit

[root@ZFRC-YW-YJF-TEST-370123 redis] #. / bin/redis-cli

127.0.0.1 purl 6379 > get name

Yjf

Check the rdb file

[root@ZFRC-YW-YJF-TEST-370123 redis] #. / bin/redis-check-rdb / var/dir/dump6380.rdb

[offset 0] Checking RDB file / var/dir/dump6380.rdb

[offset 27] AUX FIELD redis-ver = '3.2.13'

[offset 41] AUX FIELD redis-bits = '64'

[offset 53] AUX FIELD ctime = '1561537890'

[offset 68] AUX FIELD used-mem = '880976'

[offset 77] Checksum OK

[offset 77]\ o / RDB looks OK!\ o /

[info] 0 keys read

[info] 0 expires

[info] 0 already expired

Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.