Oracle11gR2Streams出现ORA-26744:ORA-26767:错误
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在源数据库发现Streams异常，如：查：select * from dba_capture看到异常错误ORA-26744: STREAMS capture process quot;CAPTURE
问题：
在源数据库发现Streams异常，，如：
查：select * from dba_capture看到异常错误
ORA-26744: STREAMS capture process "CAPTURE_STREAM" does not support "BHOMSWAS"."DBMS_TABCOMP_TEMP_UNCMP" because of the following reason:
ORA-26767: No enough redo log information for LogMiner
Oracle metalink的解释：
Streams Capture Aborting With ORA-26767 Due To Temp Tables Created By DBMS_COMPRESSION [ID 1082323.1]
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修改时间22-NOV-2010 类型PROBLEM 状态PUBLISHED
In this Document
Symptoms
Changes
Cause
Solution
--------------------------------------------------------------------------------
Applies to:
Oracle Server -EnterpriseEdition - Version:11.2.0.0. to 11.2.0.0 - Release: 11.2 to 11.2
Information in this document applies to any platform.
Symptoms
Streams Capture is aborting with ORA-26767 . The following error message is logged in Capture trace
ORA-26744: STREAMS capture process "
ORA-26767: No enough redo log information for LogMiner
Sometime the table mentioned in above error message is either DBMS_TABCOMP_TEMP_UNCMP OR DBMS_TABCOMP_TEMP_CMP. These tables do not exist on source database.
-Streams Apply can fail with ORA-26714 and ORA-00942
-Streams slows down mining archive logs generated during maintenance window
Additional Explanation:
It appears that the "Automated Maintenance Window" jobs Segment Advisor calls dbms_compression which creates two tables called DBMS_TABCOMP_TEMP_UNCMP and DBMS_TABCOMP_TEMP_CMP in users schema
Changes
Cause
DBMS_COMPRESSION is a new utility introduce in 11GR2 which is used for Compression Advisory.
DBMS_COMPRESSION creates two temporary tables (namely,
DBMS_TABCOMP_TEMP_UNCMP &
DBMS_TABCOMP_TEMP_CMP)
while doing the analyze of the table in the table owner schema. These tables are compared to see what compression level can be achieved.
By default ddl for above mentioned tables has nologging option enabled.
Now if CAPTURE has schema level rule defined, then DDL/DML for these tables will be captured as well.Since ddl for above mentioned table has nologging option enabled., enough redo information for the capture process was not available, and hence CAPTURE failed with ORA-26767 .
Solution
The workaround would be to specify a negative rule for the tables DBMS_TABCOMP_TEMP_UNCMP, and DBMS_TABCOMP_TEMP_CMP.
This will skip the replication of these table.
Please see the below example and make the appropriate changes with respect your environment.
The negative rule condition here eliminates table named 'unwantedtable' in the SCOTT schema.
Use ADD_TABLE_RULES to specify the table. Specify the inclusion_rule => FALSE clause
in the ADD_TABLE_RULES command to place the rule in the negative rule set.
BEGIN
DBMS_STREAMS_ADM.ADD_TABLE_RULES (
table_name => 'scott.unwantedtable',
streams_type => 'capture',
streams_name => 'strm01_capture',
queue_name => 'strmadmin.streams_queue',
include_dml => true,
include_ddl => true,
source_database => 'SOURCE.ORACLE.COM',
inclusion_rule => false ); --specifies the negative rule set
END;
/
解决：
1、在源数据库用streams的strmadmin用户把caputer进程停止
SQL> begin
dbms_capture_adm.stop_capture(
capture_name => 'capture_stream');
end;
/
2、建立3个限制不传输表的规则
SQL> BEGIN
DBMS_STREAMS_ADM.ADD_TABLE_RULES (
table_name =>'bhomswas.DBMS_TABCOMP_TEMP_UNCMP',
streams_type=>'capture',
streams_name=>'capture_stream',
queue_name=>'strmadmin.SOURCE_QUEUE',
include_dml=>true,
include_ddl=>true,
source_database=>'CBOMS',
inclusion_rule=>false);
END;
/
PL/SQL procedure successfully completed.
SQL> BEGIN
DBMS_STREAMS_ADM.ADD_TABLE_RULES (
table_name =>'bhomswas.DBMS_COMPRESSION',
streams_type=>'capture',
streams_name=>'capture_stream',
queue_name=>'strmadmin.SOURCE_QUEUE',
include_dml=>true,
include_ddl=>true,
source_database=>'CBOMS',
inclusion_rule=>false);
END;
/
PL/SQL procedure successfully completed.
SQL> BEGIN
DBMS_STREAMS_ADM.ADD_TABLE_RULES (
table_name =>'bhomswas.DBMS_TABCOMP_TEMP_CMP',
streams_type=>'capture',
streams_name=>'capture_stream',
queue_name=>'strmadmin.SOURCE_QUEUE',
include_dml=>true,
include_ddl=>true,
source_database=>'CBOMS',
inclusion_rule=>false);
END;
/
PL/SQL procedure successfully completed.
3、启动caputer进程
SQL> begin
dbms_capture_adm.start_capture(
capture_name => 'capture_stream');
end;
/
PL/SQL procedure successfully completed.
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