Ora-12801 Error Signaled In Parallel Query Server P000
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Ora-12801 Error Signaled In Parallel Query Server P006
dealing with huge amounts of data can naturally carry some headaches and frustration along the way. The ORA-12801 would most easily fall into this category, an Oracle error emanating most often in response to errors when processing large jobs. The Problem The ORA-12801 is an Oracle error that has some confusing origins, but is described as an error resulting in some form from a parallel query server. The error frequently accompanies another error, often the ORA-01652 (which concerns an inability to extend the temp segment in a tablespace). The ORA-12801 is essentially a general error, a sort of catchall for parallel query issues. At this juncture, some of you may be wondering yourselves, “What is a parallel query?” First showing up in later versions of Oracle7, a parallel query option lets multiple processes request and receive data and perform operations at the same time. As you woul
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Ora-12801 Ora-01555
about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges ora-12801: error signaled in parallel query server p010 Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 6.2 million programmers, just like you, helping each ora 12801 error signaled in parallel query server p011 other. Join them; it only takes a minute: Sign up ORA-12801: error signaled in parallel query server P004 and ORA-01555: snapshot too old up vote 0 down vote favorite I am executing a insert into ... select ... from https://www.tekstream.com/resources/ora-12801-error-signaled-in-parallel-server/ ... where ... SQL and got following error using Oracle: java.sql.SQLException: ORA-12801: error signaled in parallel query server P004 ORA-01555: snapshot too old: rollback segment number 32 with name "_SYSSMU32_2039035886$" too small I read the following doc: http://www.dba-oracle.com/t_ora_12801_parallel_query.htm and http://www.dba-oracle.com/t_ora_01555_snapshot_old.htm Saying ORA-12801 is caused by no enough processors to support parallel query. ORA-01555 error relates to insufficient undo storage or a too small value for the undo_retention parameter. But how can I check related parameters to avoid http://stackoverflow.com/questions/29579352/ora-12801-error-signaled-in-parallel-query-server-p004-and-ora-01555-snapshot such issue recur? sql oracle oracle11g oracle10g share|improve this question asked Apr 11 '15 at 15:04 coderz 1,59541433 add a comment| 1 Answer 1 active oldest votes up vote 3 down vote accepted From the manual: ORA-12801: error signaled in parallel query server string Cause: A parallel query server reached an exception condition. Action: Check the following error message for the cause, and consult your error manual for the appropriate action. This is a generic error message and almost never has anything to do with not enough processors. This is an example of how the site you linked to often contains lots bad or outdated information. Maybe 17 processes was "a lot" 17 years ago, but it's not today. Unfortunately, that site is often the first result from Google. You can check the UNDO retention, which is the amount of time in seconds, like this: select value from v$parameter where name = 'undo_retention' Once again, see the manual for more information on the parameter. share|improve this answer answered Apr 11 '15 at 21:08 Jon Heller 17.3k32562 add a comment| Your Answer draft saved draft discarded Sign up or log in Sign up using Google Sign up using Facebook Sign up using Email and Password Post as a guest Name Email Post as a guest Name Email discard By posting your answer, you agree to the privacy policy and terms of
parallel query server If this is your first visit, be sure to check out the FAQ by clicking the link above. You may have to register before you can post: click http://www.dbasupport.com/forums/showthread.php?46331-ora-12801-parallel-query-server the register link above to proceed. To start viewing messages, select the forum https://scn.sap.com/thread/787286 that you want to visit from the selection below. Results 1 to 5 of 5 Thread: ora-12801 parallel query server Tweet Thread Tools Show Printable Version Email this Page… Subscribe to this Thread… Display Linear Mode Switch to Hybrid Mode Switch to Threaded Mode 02-04-2005,09:53 AM #1 srt View Profile View Forum error signaled Posts Junior Member Join Date Nov 2003 Posts 89 ora-12801 parallel query server Hi, User is running a sql script which has "create table as select " , "insert into table select", and update statements in one sql script. The script was executed by user and I can see 1 user in OS but see 4 oracle users running the program each as p000,p001,p002,p003. can anyone error signaled in give little input why I can see 4 oracle users. Is that because the queries running in parallel ?? But if it is a script does not it execute one after the other. User got a error later ORA - 12801 error signalled in parallel query server p003. ORA-01652 unable to extend temp segment by 1024 in tablepsace temp. The temp tablespace is 8G. This is happening because of the process running in parallel. where is the problem occuring? is that because of parallel queries. what is ultimate solution. I appriciate your help Reply With Quote 02-04-2005,10:55 AM #2 marist89 View Profile View Forum Posts Visit Homepage Super-Genius Join Date Nov 2000 Location greenwich.ct.us Posts 9,092 Yup, its a parallel query issue. You (probably) need more TEMP when operating with PQ. If you are not specifying your degree with a hint, you might look at the tables involved. They probably have a degree > 0. To turn PQ off, you can override the default degree with +PARALLEL(table_alias,1). Jeff Hunter marist89@yahoo.com http://marist89.blogspot.com/ "I pledge to stop eating sharks fin soup and will not do so under any circumstances." Reply With Quote 02-07-2005,03:23 PM #3 srt View
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