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,
[Msql] redo and undo log, msqlredoundolog
InnoDB has two very important logs: undo log and redo log. The former is used to ensure the atomicity of transactions and the MVCC of InnoDB, and the latter is used to ensure transaction persistence. Like
Here is the MHA from boot, to failover's complete manager.log, and all of the MySQL General.log in the cluster. We can learn more about the workings of MHA through these logs. There is a lot of help in using good MHA.The architecture is as
Httpd log and log rotation tool, httpd log Rotation
Directory:1.1 Error Log ErrorLog1.2 access log CustomLog1.3 log rotation: rotatelogs Tool1.4 log rotation: cronolog Tool1.5 comparison between rotatelogs and cronolog
The types of logs to be
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,
Preface
This is a study note.The learning material comes from a log blog post from Jay Kreps.The original text is very long, but I persisted to read, the harvest is very much, also deeply to Jay's technical ability, the architecture ability and to
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
Preface
This is a study note.The learning material comes from a log blog post from Jay Kreps.The original text is very long, but I persisted to read, the harvest is very much, also deeply to Jay's technical ability, the architecture ability and to
This article directory:1.1 Error log Errorlog1.2 Access Log Customlog1.3 Log Rotation: Rotatelogs tool1.4 Log Rotation: Cronolog toolComparison of 1.5 rotatelogs and CronologThe log types that need to be logged are: Error log errorlog, access log
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