Database Upgrade to 19c slow when adding constraints to WRH$ tables
(Doc ID 2807855.1)
Last updated on JULY 20, 2024
Applies to:
Oracle Database - Enterprise Edition - Version 19.3.0.0.0 and laterInformation in this document applies to any platform.
Symptoms
Database Upgrade to 19c slow when adding constraints to WRH$ tables.
catupgrd0.log shows:
The below command takes lot of time.
04:06:46 SQL> alter table WRH$_ACTIVE_SESSION_HISTORY
04:06:46 2 add constraint WRH$_ACTIVE_SESSION_HISTORY_PK primary key
04:06:46 3 (dbid, snap_id, instance_number, sample_id, session_id, con_dbid)
04:06:46 4 using index WRH$_ACTIVE_SESSION_HISTORY_PK
04:06:46 5 /
Table altered.
Elapsed: 00:28:51.96
..
04:38:46 SQL> alter table WRH$_FILESTATXS
04:38:46 2 add constraint WRH$_FILESTATXS_PK primary key
04:38:46 3 (dbid, snap_id, instance_number, file#, con_dbid)
04:38:46 4 using index WRH$_FILESTATXS_PK
04:38:46 5 /
Table altered.
Elapsed: 00:59:03.42
and so on for various add constraint on WRH$ tables.
Cause
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In this Document
Symptoms |
Cause |
Solution |
References |