OGG ora-01403错误怎么处理
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OGG运维中有一个经典错误-1403。现象是目标端复制update或者delete操作导致复制进程abended,原因是update或delete时找不到目标数据。至于该数据为什么不在目标端有很多可能,比如人为删除、trigger没有禁用导致删除、级联外键删除没有禁用导致删除等等。通常我们的排查手段是确认目标端的trigger、级联外键删除、job是否启动了?如果启动了禁用它。然后再排查源端表是否有主键,主键在trandata中是否生效。上述排查都没有问题的话就开始做表级初始化吧,数据泵导出导入,同步变化...
但是有时候我们也可以不这么折腾,可以采取"补缺"的方式让复制进程迅速恢复。思路如下:
1. 通过目标端ggserr日志和replcat.dsc文件来定位丢失的数据
2. 在源端使用database link执行insert into 目标端 select * from 源表 where=(步骤一确认的条件)的方式来手工补缺。
3. 启动复制进程,复制进程会重新操作abended之前失败的操作。
下面通过一个实验来演示上述过程
1. source插入第一条测试数据
Insert into FM_TAX_RATE_TEST (TEST_ID,COUNTRY, STATE, TAX_TYPE, TAX_RATE)
Values (1,'CN', '68', 'WT3', 0.0015);
commit;
2. target确认同步
select * from fm_tax_rate_test;
COUNTR STAT TAX_TY TAX_RATE TEST_ID
------ ---- ------ ---------- ----------
CN 68 WT3 .0015 1
3. target删除复制记录,人为制造1403错误
delete from fm_tax_rate_test where test_id=1;
commit;
4. source对第一条测记录执行update操作会导致target复制进程中断。中断原因是update语句中的where字句定位的数据在target端不存在,因为我刚刚手工删除了这条记录。
update FM_TAX_RATE_TEST set country='US' where test_id=1;
commit;
此时target端已经中断,在source增加数据变化,期待target重启后会应用这些故障后产生的变化。
Insert into FM_TAX_RATE_TEST (TEST_ID,COUNTRY, STATE, TAX_TYPE, TAX_RATE)
Values (2,'TW', '68', 'WT3', 0.0015);
Insert into FM_TAX_RATE_TEST (TEST_ID,COUNTRY, STATE, TAX_TYPE, TAX_RATE)
Values (3,'JP', '68', 'WT3', 0.0015); 2
commit;
target复制进程中断
GGSCI (cdbsym3) 6> info all
Program Status Group Lag at Chkpt Time Since Chkpt
MANAGER RUNNING
REPLICAT RUNNING REPSYM 00:00:00 00:00:02
REPLICAT ABENDED REPSYM_T 00:10:20 00:00:01
target端ggserr.log中错误信息片段
2015-03-31 13:50:26 WARNING OGG-01004 Oracle GoldenGate Delivery for Oracle, repsym_t.prm: Aborted grouped transaction on 'OGG_TEST.FM_TAX_RATE_TEST', Database error 1403 (OCI Error ORA-01403: no data found, SQL <UPDATE "OGG_TEST"."FM_TAX_RATE_TEST" SET "COUNTRY" = :a1,"STATE" = :a2,"TAX_TYPE" = :a3,"TAX_RATE" = :a4,"TEST_ID" = :a5 WHERE "TEST_ID" = :b0>).
2015-03-31 13:50:26 WARNING OGG-01003 Oracle GoldenGate Delivery for Oracle, repsym_t.prm: Repositioning to rba 170249512 in seqno 12.
2015-03-31 13:50:26 WARNING OGG-01154 Oracle GoldenGate Delivery for Oracle, repsym_t.prm: SQL error 1403 mapping OGG_TEST.FM_TAX_RATE_TEST to OGG_TEST.FM_TAX_RATE_TEST OCI Error ORA-01403: no data found, SQL
2015-03-31 13:50:26 WARNING OGG-01003 Oracle GoldenGate Delivery for Oracle, repsym_t.prm: Repositioning to rba 170249512 in seqno 12.
2015-03-31 13:50:26 ERROR OGG-01296 Oracle GoldenGate Delivery for Oracle, repsym_t.prm: Error mapping from OGG_TEST.FM_TAX_RATE_TEST to OGG_TEST.FM_TAX_RATE_TEST.
2015-03-31 13:50:26 ERROR OGG-01668 Oracle GoldenGate Delivery for Oracle, repsym_t.prm: PROCESS ABENDING.
target端discard文件中记录了test_id=1的数据执行udpate失败
more repsym_t.dsc
Oracle GoldenGate Delivery for Oracle process started, group REPSYM_T discard file opened: 2015-03-31 13:50:25
Current time: 2015-03-31 13:50:26
Discarded record from action ABEND on error 1403
OCI Error ORA-01403: no data found, SQL RATE" = :a4,"TEST_ID" = :a5 WHERE "TEST_ID" = :b0> Aborting transaction on ./dirdat/yt beginning at seqno 12 rba 170249512 error at seqno 12 rba 170249512 Problem replicating OGG_TEST.FM_TAX_RATE_TEST to OGG_TEST.FM_TAX_RATE_TEST Record not found Mapping problem with compressed key update record (target format)... * TEST_ID = 1 COUNTRY = US STATE = 68 TAX_TYPE = WT3 TAX_RATE = .00150000 TEST_ID = 1 这时候很多运维人员最常用的就是按照csn一致性导出source表,重新初始化target端数据不一致的表。在使用下面的方式来修改复制进程参数文件,重启复制进程追进度。 map schema.table, target schema.table, filter (@GETENV ("TRANSACTION", "CSN") > 9527); 如果同步的表比较大,这个过程会很漫长。 如果只是缺少那么几条数据,别人被认为误删除了造成的,也需要这么大动干戈处理么?其实可以用个简单的方法来处理,在源库创建一个database link,将target端缺少的数据手工insert过去补全这个漏洞,然后启动复制进程。复制进程会再次尝试失败的update语句,where字句锁定刚才手工插入的数据,修改成功。 复制进程继续应用source端数据变化。 5. 源端创建database link。其中SERVICE_NAME = data为target数据库的SID 5-1 在tnsnames.ora中添加target端数据库的字符串 to19 = (DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP)(HOST = 10.78.2.19)(PORT = 1553)) ) (CONNECT_DATA = (SERVICE_NAME = data) ) ) 5-2 创建database link指向target数据库; 其中ogg_test为target数据库的schema。 create public databbase link to19 connect to ogg_test identified by ogg_test; 5-3 通过database link手工同步丢失语句。其中select语句是源表的数据,insert into是目标数据库。 insert into ogg_test.fm_tax_rate_test@to19 select * from ogg_test.fm_tax_rate_test where test_id=1; 6. target启动复制进程 GGSCI (cdbsym3) 4> start repsym Sending START request to MANAGER ... REPLICAT REPSYM starting GGSCI (cdbsym3) 5> info all Program Status Group Lag at Chkpt Time Since Chkpt MANAGER RUNNING REPLICAT RUNNING REPSYM 00:00:00 00:00:00 REPLICAT RUNNING REPSYM_T 00:00:00 00:00:01 数据变化已经被应用到复制端了 GGSCI (cdbsym3) 8> stats repsym total table dbp.rb_restraints Sending STATS request to REPLICAT REPSYM ... Start of Statistics at 2015-03-31 11:09:14. Replicating from SYMBOLS.RB_RESTRAINTS to DBP.RB_RESTRAINTS: *** Total statistics since 2015-03-31 11:08:13 *** Total inserts 1.00 Total updates 4.00 Total deletes 0.00 Total discards 0.00 Total operations 5.00 End of Statistics. 7. 在数据库中查看复制进程启动后的数据变化 OGG_TEST@data> select * from ogg_test.fm_tax_rate_test; COUNTR STAT TAX_TY TAX_RATE TEST_ID ------ ---- ------ ---------- ---------- US 68 WT3 .0015 1 TW 68 WT3 .0015 2 JP 68 WT3 .0015 3 其中第一条数据就是我们通过手工同步的数据,后面两条数据是故障之后的数据变化。 注意:如果手工同步之前源表的数据也执行delete操作就无法通过isnert into select 的方式获取并同步到target端了。 感谢各位的阅读!关于"OGG ora-01403错误怎么处理"这篇文章就分享到这里了,希望以上内容可以对大家有一定的帮助,让大家可以学到更多知识,如果觉得文章不错,可以把它分享出去让更多的人看到吧!