Impdp Parallel Index Creation Always Creates Indexes with Degree 1
(Doc ID 1289032.1)
Last updated on SEPTEMBER 14, 2024
Applies to:
Oracle Database - Enterprise Edition - Version 11.2.0.2 to 11.2.0.4 [Release 11.2]Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Information in this document applies to any platform.
Goal
Indexes seem always created with parallel degree 1 during import as seen from a sqlfile.
The sql file shows content like:
CREATE INDEX "<SCHEMA_NAME>"."<INDEX_NAME>" ON
"<SCHEMA_NAME>"."<TABLE_NAME>" ("<COLUMN_NAME>")
PCTFREE 10 INITRANS 2 MAXTRANS 255 NOLOGGING
STORAGE(INITIAL 262144 NEXT 262144 MINEXTENTS 1 MAXEXTENTS 2147483645
PCTINCREASE 0 FREELISTS 1 FREELIST GROUPS 1 BUFFER_POOL DEFAULT FLASH_CACHE
DEFAULT CELL_FLASH_CACHE DEFAULT)
TABLESPACE "<TABLESPCE_NAME>"
PARALLEL 1 ;
ALTER INDEX "<SCHEMA_NAME>"."<INDEX_NAME>" PARALLEL 24;
"<SCHEMA_NAME>"."<TABLE_NAME>" ("<COLUMN_NAME>")
PCTFREE 10 INITRANS 2 MAXTRANS 255 NOLOGGING
STORAGE(INITIAL 262144 NEXT 262144 MINEXTENTS 1 MAXEXTENTS 2147483645
PCTINCREASE 0 FREELISTS 1 FREELIST GROUPS 1 BUFFER_POOL DEFAULT FLASH_CACHE
DEFAULT CELL_FLASH_CACHE DEFAULT)
TABLESPACE "<TABLESPCE_NAME>"
PARALLEL 1 ;
ALTER INDEX "<SCHEMA_NAME>"."<INDEX_NAME>" PARALLEL 24;
The database is version 11.2.0.2 or above where <Bug 8604502> has been fixed.
Solution
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In this Document
Goal |
Solution |
References |