SAP basis t-code ST12 和 ST05比較

ST12

ST05

Traces only a specific user context or a transaction

Traces every action of a user on a server

ST12 trace automatically turns off with a transaction

ST05 trace has to be manually turned off

Stores the trace into database and is permanent

Stores the trace into local files and overwritten regularly

Provides a Top-Down flow used to find performance hotspot, issues identified by which are usually solved by code changes.

Provides a bottom-up flow which is suitable for identifying DB bound performance issues, which are usually solved by Performance Tuning.