redis-full-check校驗(yàn)2個不同redis實(shí)例數(shù)

發(fā)布時間：2020-04-05 07:08:06 來源：網(wǎng)絡(luò) 閱讀：621 作者：wjw555 欄目：系統(tǒng)運(yùn)維

redis-full-check校驗(yàn)redis數(shù)據(jù)是否一致：

校驗(yàn)2個不同的redis實(shí)例數(shù)據(jù)：

6986 為redis實(shí)例一
6987 為redis實(shí)例二

登錄6986 redis實(shí)例一，模擬設(shè)置4個key值

[root@localhost redis-full-check-1.4.7]# redis-cli -h 127.0.0.1 -p 6986 -a 'Y2hJKSGtuEq'
Warning: Using a password with '-a' option on the command line interface may not be safe.
127.0.0.1:6986> keys *
(empty list or set)
127.0.0.1:6986> set test001 001
OK
127.0.0.1:6986> set test002 002
OK
127.0.0.1:6986> set test003 003
OK
127.0.0.1:6986> set test004 004
OK
127.0.0.1:6986> keys *
1) "test003"
2) "test002"
3) "test004"
4) "test001"
127.0.0.1:6986>

登錄6987 redis實(shí)例二，模擬設(shè)置2個key值

[root@localhost redis-full-check-1.4.7]# redis-cli -h 127.0.0.1 -p 6987 -a 'Y2hJKSGtuEq'
Warning: Using a password with '-a' option on the command line interface may not be safe.
127.0.0.1:6987> keys *
(empty list or set)
127.0.0.1:6987> set test002 a02
OK
127.0.0.1:6987> set test004 a04
OK
127.0.0.1:6987> keys *
1) "test004"
2) "test002"
127.0.0.1:6987>

-m參數(shù)指定校驗(yàn)的模式，校驗(yàn)的模式分為4種：
-m參數(shù) 比較模式，1表示全量比較，2表示只對比value的長度，3只對比key是否存在，4全量比較的情況下，忽略大key的比較

從key名稱來看，6987實(shí)例中的key是6986實(shí)例key的子集：
不指定校驗(yàn)?zāi)Ｊ降脑?，默認(rèn)采用的是-m 3 只對比key是否存在。建議在校驗(yàn)不同redis實(shí)例數(shù)據(jù)時，采用-m 1全量比較模式

把6987實(shí)例作為原實(shí)例，6986實(shí)例作為目標(biāo)實(shí)例，進(jìn)行校驗(yàn):

[root@localhost redis-full-check-1.4.7]# redis-full-check   -s 127.0.0.1:6987  -p 'Y2hJKSGtuEq' -t 127.0.0.1:6986 -a 'Y2hJKSGtuEq'  --log=log  --result=result
[root@localhost redis-full-check-1.4.7]# ls
log  redis-full-check  result  result.db.1  result.db.2  result.db.3

[root@localhost redis-full-check-1.4.7]# sqlite3 result.db.3 
SQLite version 3.7.17 2013-05-20 00:56:22
Enter ".help" for instructions
Enter SQL statements terminated with a ";"
sqlite> select * from key;
sqlite> select * from field;
sqlite>

從key名稱來看，由于6987實(shí)例中的key是6986實(shí)例key的子集，所以不存在差異

同時從日志中也可以看到:

[INFO 2020-02-08-12:29:32 main.go:65]: init log success
[INFO 2020-02-08-12:29:32 main.go:164]: configuration: {127.0.0.1:6987 Y2hJKSGtuEq auth 0 -1 127.0.0.1:6986 Y2hJKSGtuEq auth 0 -1 result.db result 3 2 unknown unknown unknown 15000 5 256 5 lo
g  false 16384  20445 false}
[INFO 2020-02-08-12:29:32 main.go:166]: ---------
[INFO 2020-02-08-12:29:32 full_check.go:238]: sourceDbType=0, p.sourcePhysicalDBList=[meaningless]
[INFO 2020-02-08-12:29:32 full_check.go:243]: db=0:keys=2
[INFO 2020-02-08-12:29:32 full_check.go:253]: ---------------- start 1th time compare
[INFO 2020-02-08-12:29:32 full_check.go:278]: start compare db 0
[INFO 2020-02-08-12:29:32 scan.go:20]: build connection[source redis addr: [127.0.0.1:6987]]
[INFO 2020-02-08-12:29:33 full_check.go:203]: stat:
times:1, db:0, dbkeys:2, finish:33%, finished:true
KeyScan:{2 2 0}

[INFO 2020-02-08-12:29:33 full_check.go:250]: wait 5 seconds before start
[INFO 2020-02-08-12:29:38 full_check.go:253]: ---------------- start 2th time compare
[INFO 2020-02-08-12:29:38 full_check.go:278]: start compare db 0
[INFO 2020-02-08-12:29:38 full_check.go:203]: stat:
times:2, db:0, finished:true
KeyScan:{0 0 0}

[INFO 2020-02-08-12:29:38 full_check.go:250]: wait 5 seconds before start
[INFO 2020-02-08-12:29:43 full_check.go:253]: ---------------- start 3th time compare
[INFO 2020-02-08-12:29:43 full_check.go:278]: start compare db 0
[INFO 2020-02-08-12:29:43 full_check.go:203]: stat:
times:3, db:0, finished:true
KeyScan:{0 0 0}

[INFO 2020-02-08-12:29:43 full_check.go:328]: --------------- finished! ----------------
all finish successfully, totally 0 key(s) and 0 field(s) conflict

但是把原實(shí)例和目標(biāo)實(shí)例互換下比對，就找到不一致了

把6986實(shí)例作為原實(shí)例，6987實(shí)例作為目標(biāo)實(shí)例，進(jìn)行校驗(yàn)：

redis-full-check   -s 127.0.0.1:6986  -p 'Y2hJKSGtuEq' -t 127.0.0.1:6987 -a 'Y2hJKSGtuEq'  --log=log  --result=result
[root@localhost redis-full-check-1.4.7]# sqlite3 result.db.3 
SQLite version 3.7.17 2013-05-20 00:56:22
Enter ".help" for instructions
Enter SQL statements terminated with a ";"
sqlite> select * from field;
sqlite> select * from key;
1|test001|string|lack_target|0|3|0
2|test003|string|lack_target|0|3|0

查看到6986實(shí)例比6987實(shí)例多出了2個key

從日志中也可以看到不同：


[INFO 2020-02-08-12:35:10 main.go:65]: init log success
[INFO 2020-02-08-12:35:10 main.go:164]: configuration: {127.0.0.1:6986 Y2hJKSGtuEq auth 0 -1 127.0.0.1:6987 Y2hJKSGtuEq auth 0 -1 result.db result 3 2 unknown unknown unknown 15000 5 256 5 lo
g  false 16384  20445 false}
[INFO 2020-02-08-12:35:10 main.go:166]: ---------
[INFO 2020-02-08-12:35:10 full_check.go:238]: sourceDbType=0, p.sourcePhysicalDBList=[meaningless]
[INFO 2020-02-08-12:35:10 full_check.go:243]: db=0:keys=4
[INFO 2020-02-08-12:35:10 full_check.go:253]: ---------------- start 1th time compare
[INFO 2020-02-08-12:35:10 full_check.go:278]: start compare db 0
[INFO 2020-02-08-12:35:10 scan.go:20]: build connection[source redis addr: [127.0.0.1:6986]]
[INFO 2020-02-08-12:35:11 full_check.go:203]: stat:
times:1, db:0, dbkeys:4, finish:33%, finished:true
KeyScan:{4 4 0}
KeyConflictInProcess|string|lack_target|{2 2 0}

[INFO 2020-02-08-12:35:11 full_check.go:250]: wait 5 seconds before start
[INFO 2020-02-08-12:35:16 full_check.go:253]: ---------------- start 2th time compare
[INFO 2020-02-08-12:35:16 full_check.go:278]: start compare db 0
[INFO 2020-02-08-12:35:17 full_check.go:203]: stat:
times:2, db:0, finished:true
KeyScan:{2 2 0}
KeyConflictInProcess|string|lack_target|{2 2 0}

[INFO 2020-02-08-12:35:17 full_check.go:250]: wait 5 seconds before start
[INFO 2020-02-08-12:35:22 full_check.go:253]: ---------------- start 3th time compare
[INFO 2020-02-08-12:35:22 full_check.go:278]: start compare db 0
[INFO 2020-02-08-12:35:23 full_check.go:203]: stat:
times:3, db:0, finished:true
KeyScan:{2 2 0}
KeyConflictAtLast|string|lack_target|{2 2 0}
[INFO 2020-02-08-12:35:23 full_check.go:328]: --------------- finished! ----------------
all finish successfully, totally 4 key(s) and 0 field(s) conflict

value: field存在于源端key和目的端key，但是field對應(yīng)的value不同
登錄6987redis實(shí)例，修改key test004 為a04; 修改key test003 a03

[root@localhost redis-full-check-1.4.7]# redis-cli -h 127.0.0.1 -p 6987 -a 'Y2hJKSGtuEq'
Warning: Using a password with '-a' option on the command line interface may not be safe.
127.0.0.1:6987> get test004
"a04"
127.0.0.1:6987> get test002
"002"
127.0.0.1:6987> get test001
"001"
127.0.0.1:6987> get test003
"a03"

此時采用redis-full_check全量校驗(yàn)?zāi)Ｊ剑?/strong>

[root@localhost redis-full-check-1.4.7]# redis-full-check -s 127.0.0.1:6987 -p 'Y2hJKSGtuEq' -t 127.0.0.1:6986 -a 'Y2hJKSGtuEq' --log=log --result=result -m 1 [root@localhost redis-full-check-1.4.7]# redis-full-check -s 127.0.0.1:6987 -p 'Y2hJKSGtuEq' -t 127.0.0.1:6986 -a 'Y2hJKSGtuEq' --log=log --result=result -m 4 [root@localhost redis-full-check-1.4.7]# redis-full-check -s 127.0.0.1:6986 -p 'Y2hJKSGtuEq' -t 127.0.0.1:6987 -a 'Y2hJKSGtuEq' --result=result -m 1 [INFO 2020-02-08-14:44:36 main.go:65]: init log success ........ ........ [INFO 2020-02-08-14:44:49 full_check.go:328]: --------------- finished! ---------------- all finish successfully, totally 4 key(s) and 0 field(s) conflict

日志中看到2實(shí)例存在數(shù)據(jù)不一致

查看到實(shí)例6986 和實(shí)例6987 中key test003 和test004 的value值不一致:

[root@localhost redis-full-check-1.4.7]# sqlite3 result.db.3 SQLite version 3.7.17 2013-05-20 00:56:22 Enter ".help" for instructions Enter SQL statements terminated with a ";" sqlite> select * from key; 1|test004|string|value|0|3|3 2|test003|string|value|0|3|3 sqlite>

登錄6987redis實(shí)例，刪除key test001:

[root@localhost redis-full-check-1.4.7]# redis-cli -h 127.0.0.1 -p 6987 -a 'Y2hJKSGtuEq' Warning: Using a password with '-a' option on the command line interface may not be safe. 127.0.0.1:6987> get test001 "001" 127.0.0.1:6987> get test002 "002" 127.0.0.1:6987> get test003 "a03" 127.0.0.1:6987> get test004 "a04" 127.0.0.1:6987> del test002 (integer) 1 127.0.0.1:6987> keys * 1) "test001" 2) "test004" 3) "test003"

此時采用redis-full_check全量校驗(yàn)?zāi)Ｊ剑?/strong>

[root@localhost redis-full-check-1.4.7]# redis-full-check -s 127.0.0.1:6986 -p 'Y2hJKSGtuEq' -t 127.0.0.1:6987 -a 'Y2hJKSGtuEq' --result=result -m 1 [INFO 2020-02-08-14:54:25 main.go:65]: init log success ............... ............... [INFO 2020-02-08-14:54:38 full_check.go:328]: --------------- finished! ---------------- all finish successfully, totally 6 key(s) and 0 field(s) conflict

發(fā)現(xiàn)實(shí)例6986 和實(shí)例6987中存在key和value值不一致:

[root@localhost redis-full-check-1.4.7]# sqlite3 result.db.3 SQLite version 3.7.17 2013-05-20 00:56:22 Enter ".help" for instructions Enter SQL statements terminated with a ";" sqlite> select * from key; 1|test004|string|value|0|3|3 2|test003|string|value|0|3|3 3|test002|string|lack_target|0|3|0 sqlite> select * from field;

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