How do you fix a lock table overflow in SAP?

How do you fix a lock table overflow in SAP?

Increase the size of lock table i.e increase the parameter enque/table_size value using RZ10 transaction.

What is the reason for lock table overflow in SAP?

The enqueue lock table overflow occurs if the number of lock requests exceeds the quota configured in the system. The enqueue table size is controlled by the parameter “enque/table_size”. This parameter defines the size of the lock table that is held in main memory by the enqueue server.

How do I know if a table is locked in SAP?

In most cases, the reason for a locked SAP object is that it is being processed. So SAP prevents any other modification on the same object by putting a lock on it. To check such a lock, use the SAP transaction SM12 “Select Lock Entries”.

How do I view SM12 lock entries?

And as part of your routine monitoring you have to regularly monitor the lock entries.

1. To monitor the lock entries go to transaction code SM12.
2. Select the client and user name or leave it blank to see all the lock entries.
3. You can see detailed information for the lock argument.
4. Choose one lock entry you want to delete.

What is lock table in SAP?

A lock table is a centralized table in the main memory of the ENQUEUE server that acts as a directory of all locked objects. You can view the contents of this table by using the standard SAP transaction SM12. Whenever a new ENQUEUE function is called by an application, an entry is made in this table.

How do you unlock locked entries in SAP?

How to unlock locked data , Tables or Configuration?

1. Use SM04 Transaction to display all system logged on users.
2. Select user screen to close – End users session.
3. Use SM12 Transaction to display all locked objects.
4. Checking locked objects status.
5. Unlock locked objects.
6. Difference in impact between SM04 and SM12.

How do you remove locked entries in SAP?

Proceed as follows:

1. Note the lock key of the relevant lock entry. Select this entry and choose Details to display the transaction code.
2. Choose transaction SM13 or Administration System Administration Monitor Update.
3. Check that your update server is operating normally.

What is SM12 TCode in SAP?

SM12 is a transaction code used for Display and Delete Locks in SAP. It comes under the package SENQ. When we execute this transaction code, RSENQRR2 is the normal standard SAP program that is being executed in background.

How do I find lock entries in SAP?

To check such a lock, use the SAP transaction SM12 “Select Lock Entries”.

How many types of locks are there in SAP?

There are four types of locks in the SAP System: Shared lock. Exclusive lock. Exclusive but not cumulative lock.

What is lock object in SAP?

Lock Object is a feature offered by ABAP Dictionary that is used to synchronize access to the same data by more than one program. Data records are accessed with the help of specific programs. Lock objects are used in SAP to avoid the inconsistency when data is inserted into or changed in the database.

How do you release a table lock in SAP?

What is a lock table overflow and what causes it?

A lock table overflow can occur if: 1 The lock table is configured too small 2 An application sets a large number of locks 3 The update process is hanging and this is passing a lot of locks onto the update task.

Where is the lock table overflow information stored in SCN?

The lock table overflow information is stored in the ENQHISOVR file at the OS level. You can also check this file to see who and what was executed. Check this wiki page to know more – Enqueue – Application Server Infrastructure – SCN Wiki This is a quick reply. I good blog that covers a lot. Help to improve this answer by adding a comment.

Where does enqueue store the lock table overflow information?

The lock table overflow information is stored in the ENQHISOVR file at the OS level. You can also check this file to see who and what was executed. Check this wiki page to know more – Enqueue – Application Server Infrastructure – SCN Wiki

What information is displayed on the overflow history?

History: The overflow history is displayed. The person responsible, his or her user name, the time, and the number of locks are listed. Delete History: The overflow history is deleted.