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
[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
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 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
One, the transaction logTransaction log: Transactional storage engine self-managing and usingThe transaction log is logged when a transaction has not yet been saved to disk, this time if the system loses power, the committed transaction redo (redo
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
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:
Linux system log and log analysis The Linux system has a very flexible and powerful logging function, which can save almost all the operation records and retrieve the information we need.The default log daemon for most Linux distributions is syslog,
Background Service log output specification
Adding program logging in the background service tracks the code runtime as a basis for future audits, and acts as a debugger in the integrated development environment, printing code debug information to a
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