SAP Knowledge Base Article - Preview

2767020 - How to find out lock (for example "enq: TX - row lock contention") chain

Symptom

This kba is to find out the lock chain when the system is sufferring from lock issue, like "enq: TX - row lock contention".
The aim is to find the TOP lock holder (as a lock holder can also be a lock waiter, such lock holder is not helpful).


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Environment

  • Oracle

Keywords

"enq: TX - row lock contention", lock, DBA_HIST_ACTIVE_SESS_HISTORY , KBA , SV-PERF-DB-ORA , Performance messages related to Oracle databases , BC-DB-ORA , Oracle , Problem

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