Error Signaled In Parallel Query Server P001
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Parallel queryError Signaled In Parallel Query Server P008
error ORA-12801 Oracle Database Tips by Burleson Consulting Question: When running Oracle parallel query, I get a
Error Signaled In Parallel Query Server P002
sporadic error like this: ERROR: ORACLE execute error: ORA-12801: error signaled in parallel query server P017 ORA-01652: unable to extend temp segment by 314 in tablespace TEMP. I understand the ORA-01652 as
Error Signaled In Parallel Query Server Invalid Number
being caused by running out of space, but I do not understand the ORA-12801. Answer: Wow, P017, that's a lot of parallel query processes. Just make sure that you have enough processors to support this load. I've seen this ORA-12801 error pop-up intermittently for no apparent reason, usually when the server is especially active, and it's always the second message (in your case, ORA-01652). error signaled in parallel query server p000 MOSC note 184416.1 has details on diagnosing the ORA-12801 error. It notes that the ORA-12801 is somewhat generic and that you should look for more details in your alert.log or in trace files in the USER_DUMP_DEST or BACKGROUND_DUMP_DEST location. You can set event 10397 to get more details: ORA-12801, 00000, "error signaled in parallel query server %s" Cause: A parallel query server reached an exception condition. Action: Check the following error message for the cause, and consult your error manual for the appropriate action. *Comment: This error can be turned off with event 10397, in which case the server's actual error is signaled instead. In any case, the central question is why your parallel query was performing a sort, resulting in the ORA-01652 error? OPQ generally sorts as the final step, after the paralel processes have returned the result set to the parallel query coordinator (usually P00).The symptom solution, of course, is to increase the size of your TEMP tablespace, or better still, increase your sort_area_size. If this job is running batch, you can do this with an alter session command, as this this case, to one gig: alter session set sort
Operation. Query Failing: SELECT COUNT(*) FROM SALES_MASTER_HISTORY WHERE TREASURYNUMBER < 20000; ORA-12801: error signaled in parallel query server error signaled in parallel query server p013 P001 ORA-01722: invalid number When i check degree on this error signaled in parallel query server p003 table it was set to 1 so no problem found there but degree with above table indexes error signaled in parallel query server p009 was set to 4. I changed the degree to 1 to sort first issue as below: SQL> SQL> select owner,table_name,degree from dba_tables where table_name in ('SALES_MASTER_HISTORY'); OWNER http://www.dba-oracle.com/t_ora_12801_parallel_query.htm TABLE_NAME DEGREE ------------------------------ ------------------------------ ---------- CAP SALES_MASTER_HISTORY 1 SQL> select index_name,degree from dba_indexes where table_name in ('SALES_MASTER_HISTORY'); INDEX_NAME DEGREE ------------------------------ ---------------------------------------- IDX_TMH_NETTEDBOOKINGREF 4 IDX_VALUEDATE 4 PK_TRADES_MASTER_HISTORY 4 IDX_TMH_CORESYSREF 4 IDX_TMH_TRUNC_BOOKEDDATE_IDX 4 IDX_TMH_BRANCH_CODE 4 IDX_TMH_CUSTOMER_NUMBER 4 IDX_TMH_BROKERCODE 4 IDX_BOOKEDDATE 4 IDX_TMH_CONTRACTNUMBER 4 IDX_TMH_CUSTOMER 4 11 rows selected. SQL> alter index CAP.IDX_BOOKEDDATE parallel 1; Index altered. SQL> http://arpitagrawaloracle.blogspot.com/2012/11/ora-12801-error-signaled-in-parallel.html alter index CAP.IDX_TMH_BRANCH_CODE parallel 1; Index altered. SQL> alter index CAP.IDX_TMH_BROKERCODE parallel 1; Index altered. SQL> alter index CAP.IDX_TMH_CONTRACTNUMBER parallel 1; Index altered. SQL> alter index CAP.IDX_TMH_CUSTOMER_NUMBER parallel 1; Index altered. SQL> alter index CAP.IDX_TMH_NETTEDBOOKINGREF parallel 1; Index altered. SQL> alter index CAP.IDX_VALUEDATE parallel 1; Index altered. SQL> alter index CAP.PK_TRADES_MASTER_HISTORY parallel 1; Index altered. SQL> alter index CAP.IDX_TMH_TRUNC_BOOKEDDATE_IDX parallel 1; Index altered. SQL> select owner,index_name,degree from dba_indexes where table_name in ('SALES_MASTER_HISTORY') order by INDEX_NAME; OWNER INDEX_NAME DEGREE ------------------------------ ------------------------------ ---------------------------------------- CAPFX IDX_BOOKEDDATE 1 CAPFX IDX_TMH_BRANCH_CODE 1 CAPFX IDX_TMH_BROKERCODE 1 CAPFX IDX_TMH_CONTRACTNUMBER 1 CAPFX IDX_TMH_CORESYSREF 1 CAPFX IDX_TMH_CUSTOMER 1 CAPFX IDX_TMH_CUSTOMER_NUMBER 1 CAPFX IDX_TMH_NETTEDBOOKINGREF 1 CAPFX IDX_TMH_TRUNC_BOOKEDDATE_IDX 1 CAPFX IDX_VALUEDATE 1 CAPFX PK_TRADES_MASTER_HISTORY 1 After that when i execute query it was giving just : SQL> select count(*) FROM SALES_MASTER_HISTORY WHERE TREASURYNUMBER < 20000; select count(*) FROM SALES_MASTER_HISTORY WHERE TREASURYNUMBER < 20000 * ERROR at line 1: ORA-01722: invalid number This is not really a database problem, here problem is TREASUR
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