When a user submits (commits) or rollback (rollback), session's redo information needs to write to the redo logfile in. LGWR process will inform the implementation of the user write operation, LGWR will notify the user after the completion of the proc
Generate a statspack report is relatively simple, but how to read statspack report is not so easy, the need for Oracle architecture, memory structure, and wait for events, and applications have a full understanding, coupled with constant practice, in ...
2. Snapshot Snapshot threshold threshold should only be used for table stats $ sql_summary access to the SQL statement. Because each snapshot will collect a lot of data, each line represents a snapshot at the database access to a SQL statement, so st ...
statspack report analysis (-) Author unknown Tags: statspack 1, statspack output must be 10 to view the content of 1, the load between the file (Load profile) 2, examples of the efficiency of click-through rate (Instance efficiency hit ratios) 3, the ...
rn ================================================== ========= rn Study: wyyhzc (http://wyyhzc.itpub.net) Published on: 2005.01.05 23:55 Categories: oracle Source: http://wyyhzc.itpub.net/post/2879/12870 --------------------------------------------- ...
