.\n\nRun the following SQL commands to create a trace file for this LWN:\nALTER SESSION SET EVENTS = '1354 TRACE NAME CONTEXT FOREVER, LEVEL 32768';\nALTER SESSION SET EVENTS = '1348 TRACE NAME CONTEXT FOREVER, LEVEL 1032';\nALTER SESSION SET TRACEFILE_IDENTIFIER = s
sequence_number
_
low_SCN
_
high_SCN
; \nALTER SYSTEM DUMP LOGFILE
log_file
RBA MIN
redo_log_file_sequence
redo_log_file_block
RBA MAX
redo_log_file_sequence
redo_log_file_block
; \nALTER SESSION SET TRACEFILE_IDENTIFIER = STUFF;
This message provides the following information about Oracle Extractor parsing of redo logs:
Current thread ID and position in the redo logs
Redo record length
LWN information, including the block ID at which the LWN starts, the block ID at which the LWN ends, and the LWN length
SQL commands you can run to create a trace file for the reported LWN