【故障-ORACLE】GGS_STICK出来大量锁的问题

    SID SERIAL# USERNAME   Term   Resource Type        TAB        OWNER         ID1      ID2 Lock Held      Lock Req.           CTIME

------- ------- ---------- ------ -------------------- ---------- -------- -------- -------- -------------- --------------

   2592    5045 TRFF_APP   CHINA- TOSystem             GGS_STICK  GGS        106853        1 Row Exclusive                     171689

                           808CF6                        99E

   2538   16209 SYS        pts/0  TOSystem             GGS_STICK  GGS        106853        1 Row Exclusive                       1097

   2569   45087 YWXT_USER  unknow TOSystem             GGS_STICK  GGS        106853        1 Row Exclusive                      92038                    n

   2538   16209 SYS        pts/0  TOSystem             GGS_BF_CAC GGS        106815        1 Row Exclusive                       1094             HE

   2712     135 YWXT_USER  unknow TOSystem             GGS_STICK  GGS        106853        1 Row Exclusive                      88323            n

   2517   19239 TRFF_APP   unknow TOSystem             GGS_STICK  GGS        106853        1 Row Exclusive                      68628         n

 

解释：在metalink上有文章“OGG GGS_STICK getting locked during the DDL Upgrade [ID 1441479.1]”专门处理了这个问题。

Applies to:

Oracle GoldenGate - Version: 11.1.1.1.3 and later [Release: 11.1.1.1 and later ]
Information in this document applies to any platform.

Symptoms

SMON process is holding locks on ggs_stick:

Checking for sessions that are holding locks on Oracle Golden Gate metadata tables ...

The following sessions are holding 1 locks on objects owned by GGS :

INST_ID SID SERIAL# OS_USER USERNAME

---------- ---------- ---------- --------------------------------

PID

------------------------------------

PROGRAM

-----------------------------------------------------------------------------------

2 760 1 oracle

12482

[email protected]

Details of locks being held:

INST_ID SID SERIAL# OBJECT_LOCKED

----------------------------------------------------------------

LOCK_TYPE

------------------------------------

2 760 1 GGS_STICK

TO

BEGIN

*

ERROR at line 1:

ORA-20783:

GoldenGate DDL Replication setup:

*** Disconnect all sessions that are holding locks on Oracle GoldenGate metadata tables, and retry.

ORA-06512: at line 3

Cause

GGS_STICK is locked by SMON

Solution

We have reported a bug #13825904, where there is an enhancement that will allow the ddl_setup to run without checking the locks. This feature would be added in the latest versions from OGG V11.2.

 

As a workaround, please modify the params.sql (found in the OGG install location) and include the below, then redo the process of DDL upgrade.

 

define _skip_lock_check = 'SMON'

define _skip_create_objects = 'TRUE'

 

** Bouncing the database can also be one of the options to let the locks to be cleared out on source, if this is acceptable.

 

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