Transferred from: http://blog.chinaunix.net/uid-24250828-id-3198922.html1)/var/log/secure: Record log in system to access data files;For example: POP3,SSH,TELNET,FTP, etc. will be recorded here.2)/ar/log/btmp: Record login This information record,
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,
Apche Log Series (1): Access log
Want to know when and what people are browsing the content of the site. See Apache's access log to know. The access log is the standard log for Apache, which explains in detail the contents of the Access log and the
1)/var/log/secure: Record the log in system Access data file;
For example: Pop3,ssh,telnet,ftp and so on will be recorded here.
2)/ar/log/btmp: Record logged in this information record, has been encoded, so must be resolved by the last;
For
MySQL series: innodb source code analysis-redo log structure, mysqlinnodb
In innodb Engine implementation, a redo log system is built to ensure transaction persistence. Redo log is composed of two parts: the memory log buffer and the redo log file.
MySQL series: innodb source code analysis-redo log structure
1. In the innodb redo log system, the LSN defines an LSN number, which indicates the log Sn. The LSN defines a dulint_t type value in the engine, which is equivalent to uint64_t. The
Source: Http://blog.csdn.net/lezhiyong1. IntroductionConverts the specified memory segment to a class of 16-in and ASCI-code output to a log file.2. Function Introduction1) Supports Windows and Linus dual systems.2) The output directory can be
1Basic IntroductionEach database has a transaction log that records all things and what each thing does to the database.The logging form needs to be determined based on the recovery model of the database, with three database recovery models:
In the implementation of InnoDB engine, the redo log system is built in order to realize the persistence of the transaction. The redo log consists of two parts: the Memory log buffer (redo log buffers) and the redo log file. The purpose of this
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