Is allocated a slot in a transaction table. A transaction table is part of an undo segment header, which also has a list of the undo blocks that are part of this undo segment. (Each Oracle database has one undo tablespace, with a few undo segments (typically 10-to-30-ish). Oracle tries to assign each active transaction to its own undo.
Applies to:
Siebel Financial Services CRM - Version 16.7 [IP2016] and later Information in this document applies to any platform.
Symptoms
Upgrep fails when running IRM from Siebel 8.1.1.10 to 16.7 in the step Prepare for index creation , the following error occurs. ERROR ----------------------- create unique index S_ACCELERATOR_U1 on S_ACCELERATOR ('COMMAND_ID', 'NAME', 'WS_ID', 'WS_OBJ_VER') parallel nologging tablespace SIEBELINDEX 2017-01-05 01:23:01 [tp][ODBC Oracle driver][Oracle]ORA-12801: error signaled in parallel query server P057 ORA-01554: transaction concurrency limit reached reason:no undo segment found with available slot params:0, 0 2017-01-05 01:23:01 2017-01-05 01:23:01 S1000: [tp][ODBC Oracle driver][Oracle]ORA-12801: error signaled in parallel query server P057 2017-01-05 01:23:01 ORA-01554: transaction concurrency limit reached reason:no undo segment found with available slot params:0, 0 2017-01-05 01:23:01 2017-01-05 01:23:01 Dropping index with the same column signature and retrying... 2017-01-05 01:23:01 create unique index S_ACCELERATOR_U1 on S_ACCELERATOR 2017-01-05 01:23:01 ('COMMAND_ID', 'NAME', 'WS_ID', 'WS_OBJ_VER') parallel nologging 2017-01-05 01:23:01 tablespace SIEBELINDEX STEPS ----------------------- The issue can be reproduced at will with the following steps: 1. set the undo_management to manual as per the upgrade guide. 2.Run upgrep.
Cause
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In this Document
Symptoms
Oracle Undo Tablespace Usage
Cause
Solution
References
Oracle Clear Undo Tablespace
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