This is the case for a customer in March, because after a server hardware failure, the business translation occasionally appears slow to commit. Let's take a look at the awr situation first.We can see that the load profile information for this
The log file sync (Log File sync) Wait event has a parameter: Buffer #. In Oracle Database 10 Gb, such wait events are located below commit wait events. When processing Log File sync wait events, pay attention to the following ideas:◎ Log File sync
One. DB file Parallel Write wait eventQuote from the following blog:Http://oradbpedia.com/wiki/Wait_Events_-_db_file_parallel_writeDB file Parallel writeThe db file parallel write wait event belongs to the Oracle database writer (DBWR) process
Original Address:https://www.cnblogs.com/nancyzhu/p/8551506.htmlLogA log is a way to track events that occur when the software is running. The software developer calls the log function in the code to indicate that a particular event has occurred. an
Log file type
MySQL has several different log files that can help you find out what's going on inside Mysqld:
Log files
Type of information entered in a file
Error log
Log a problem that occurs when you start, run,
This article "My MySQL Learning experience (15)" will explain the MySQL logThe logs in MySQL are divided into 4 categories, and using these log files, you can see what's happening inside MySQL.respectively is1, error log: Log the MySQL service start,
How to delete error. log, access. log files and methods to limit the size of Apache log files. log and error. the log file has never been moved. Today, a MYSQL database connection error occurs in wordpress, and error 2003 is returned. log, access.
This article mainly introduces Mysql log files and log types. This article describes the log file types, error logs, General query logs, slow query logs, binary logs, and so on, for more information, see
Log file type
MySQL has several different
Original address: http://www.cnblogs.com/liuhao/p/3714012.htmlWritten in front: the author level is limited, welcome to enlighten, all to the latest source code prevail.InnoDB Redo LogLet's start with what the next InnoDB redo log is, why you need
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