Re: Huge number of DBA_DDL_LOCKS
- From: "Juan Cachito Reyes Pacheco" <jreyes@xxxxxxxxxxxxxxxx>
- To: <oracle-l@xxxxxxxxxxxxx>
- Date: Thu, 4 Mar 2004 11:15:50 -0400
This could be a problem, but not neccesarily
For example in a database with 29 sessions I have this
select lock_type,count(*) from dba_locks group by lock_type
LOCK_TYPE COUNT(*)
-------------------------- ---------------------------------------
Media Recovery 11
Redo Thread 1
Temp Segment 1
Transaction 5
XR 1
As you see there are several type of locks
----- Original Message -----
From: "Jay" <jaysingh1@xxxxxxxxxxxxx>
To: <oracle-l@xxxxxxxxxxxxx>
Sent: Thursday, March 04, 2004 12:20 AM
Subject: Huge number of DBA_DDL_LOCKS
> Dear All,
>
> Why these many DDL locks? Is something wrong in this environment? Or it is
> normal to have 20k+ locks?
>
> If it is not okay where should I start investigating this issue?
>
> Oracle8i Enterprise Edition Release 8.1.7.3.0 - Production
> With the Partitioning and Parallel Server options
> JServer Release 8.1.7.3.0 - Production
>
> SQL> select count(*) from dba_ddl_locks;
>
> COUNT(*)
> ----------
> 21318
>
> SQL> select count(*) from dba_dml_locks;
>
> COUNT(*)
> ----------
> 3
>
> SQL>
>
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