Log file sync: SCN ordering is a new wait event introduced in 12.1. This wait event is triggered when an operation such as a direct path load ...
AWR reports indicate that my database is suffering excessively with 'log file sync: SCN ordering' waits. Can someone help me understand this ...
Bug 27484543 : WAIT EVENT "LOG FILE SYNC: SCN ORDERING" NOT DOCUMENTED. COMMENTS ======== This wait event is internal to ...
(for example we might float the hypothesis that "log file sync SCN ordering" reads the log file for the on-disk SCN but doesn't report a read wait - ...
Log file sync waits occur when the LGWR process is unable to complete writes fast enough Redo log activity increases as a function of system activity, and high log ...
Oracle Database Cloud Schema Service - Version N/A and later: Troubleshooting: 'Log file sync' Waits.
The User process charges this wait time as a 'log file sync' event. In the prior section,
Adaptive log file sync is a feature that probably came with Oracle version 11.2.
'log file parallel write','wait for scn ack',
Tuning Log File Sync Wait Events - Riyaj Shamsudeen}: Hotsos 2010 - Day 4 - Doug