How To Fix DB6116 - Too many deadlocks occur in the system

DB6116 - Overview

• Message type: E = Error

• Message class: DB6 - DB6: Alert Monitoring and Alert Configuration

• Message number: 116

• Message text: Too many deadlocks occur in the system

What causes this issue?

Two or more running transactions are both in a wait state are are
waiting for each other. The system resolves this wait situation by
resetting one of the transactions after a certain wait time has
expired.

System Response

The waiting processes are blocked udring the wait state.

How to fix this error?

Confirm which applications are caught in the deadlock situations, and,
if necessary, modify these applications. You should also observe the
lock escalations, as these can also lead to deadlocks.
You can shorten the times for which the processes involved are blocked
using the database configuration parameters LOCKTIMEOUT and DLCHKTIME.

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DB6116 - Too many deadlocks occur in the system ?

  The SAP error message DB6116 indicates that there are too many deadlocks occurring in the database system. A deadlock is a situation where two or more transactions are waiting for each other to release locks, causing them to be stuck indefinitely. This can lead to performance issues and can affect the overall stability of the system.
  Causes of DB6116
  
  High Concurrency: A large number of transactions trying to access the same resources simultaneously can lead to deadlocks.
  Locking Strategy: Inefficient locking strategies or inappropriate isolation levels can increase the likelihood of deadlocks.
  Long-Running Transactions: Transactions that take a long time to complete can hold locks for extended periods, increasing the chances of deadlocks.
  Poorly Designed Database Schema: A database schema that does not optimize access patterns can lead to contention for resources.
  Application Logic: Application code that does not handle transactions properly can lead to deadlocks.
  
  Solutions to DB6116
  
  Analyze Deadlock Situations: Use database tools to analyze deadlock