This articleArticleIs the third article in the series. The addresses of the first two articles are as follows:
Transaction logs in SQL Server (I)-physical and logical architecture of transaction logs
Transaction Log in SQL Server (2)-Role of transaction log in data modification
Introduction
In simple recovery mode, log files only ensure the acid attribute of SQL Server transactions. Does not assume
We can only analyze the health of the site through a variety of system logs, and for Web sites deployed on IIS, IIS logs provide the most valuable information that we can use to analyze the response of the site to determine whether the site has performance issues or where improvements are needed.For a long-term maintenance of the site, how to make the site long-term stable operation is a very meaningful thi
. NET Core logs [4]: Write logs into EventLog and coreeventlog
Windows-oriented programmers should not be unfamiliar with Event Log, so that many people refer to the Log, the first thing they think of is EventLog. EventLog not only records the logs of various events in the Windows system, but our applications can also use the provided API to write log messages to
Linux system logs and analysis, linux logs
Linux has flexible and powerful log functions, which can save almost all operation records and retrieve the information we need.
The default log daemon process for most Linux distributions is syslog at/etc/syslog or/etc/syslogd or/etc/rsyslog. d. The default configuration file is/etc/syslog. conf or rsyslog. conf. Any program that wants to generate
Use mysqlbinlog to extract binary logs and mysqlbinlog binary logs
The MySQL binlog log records all changes to the current database since the MySQL database is enabled. Binlog logs are binary files. We can extract binary logs to generate readable SQL statements to reconstruct the current database and restore or incompl
Set the number of SQL Server error logs and find the SQL Server installation error logs. In the forum, I often see someone asking for help because of SQL Server Installation Problems, however, they did not send the error Installation Log to the forum. I personally feel that it is so general that it is difficult for the attacker to find the problem in the Forum. My machine is Windows7Ulti.
Set the number of
Set the number of SQL Server error logs and find the SQL Server installation error logs. In the forum, I often see someone asking for help because of SQL Server Installation Problems, however, they did not send the error Installation Log to the forum. I personally feel that it is so general that it is difficult for the attacker to find the problem in the Forum. My machine is Windows7Ulti.
Set the number of
Microsoft ole db provider for SQL Server Error '80040e14'
The log of database 'mis1' is full. Back up the transaction logs of the database to release some log space.
A simple method is used to contract logs:
1. backup log... with no_log2. shrink the database
OK, synchronization is in progress again ....
Answer:
Check whether the log mode of the database is full? This mode generates a huge amount of
Tags: blog HTTP, ar file data, art, Problem C
Redo log file is written by the lgwr process from the redo log buffer in the Oracle instance and is recycled. That is to say, a redo log file (group) is written to the next one only after it is fully written.Archive log: When the database is running in archive mode, when a redo log file (group) is full, the arcn process backs up the redo log content to the archive log file, then the redo log file (Group) can be used for the next time.
Whether or not
Analysis of linux logs and linux logs
In linux, the connection time logs are generally recorded by the/var/log/wtmp and/var/run/utmp files. However, these two files cannot be directly viewed by cat, the file is automatically updated by the system. You can view the file by using the w, who, finger, id, last, lastlog, and ac commands.
For process monitoring
This article describes how to query logs and slow query logs in MySQL. It also describes how to use the Mysqldumpslow log analysis tool that comes with MySQL. For more information, see
I. query logs
Query all the queries in MySQL by using "-- log [= file_name. Because all the queries, including all the select statements, are recorded, and the size is relatively
Rotten mud: Cut nginx logs, rotten nginx logs
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I read the blog's nginx logs over the past few days and found that the log files are getting bigger and bigger.
Because nginx does not cut log files by itself, it is intended to cut
RDIFramework. NET logs 9.13 system logs and system Exception management (IIS Web) Section,
RDIFramework. NET development. NET rapid information system development framework
9.13 system logs and system Exception management-Web Part
When a software is put into operation, it is impossible to have no exceptions. If any exceptions occur in the software, we can track t
Create Database hufangOn Primary -- by default, it belongs to the primary main file group, which can be omitted(/* -- Specific description of the data file --*/Name = 'hufang _ data', -- physical name of the primary databaseFilename = 'f: \ project \ hufang_data.mdf ', -- physical name of the primary databaseSize = 5 MB, -- initial size of the primary databaseMaxsize = 100 MB, -- maximum file growth for the master databaseFilegrowth = 15%)
Log On(/* -- The specific description of the log file is
Objective
Originally prepared to explain the Nginx and Apache logs, but the individual is not recommended Apache (purely personal hobby), here does not introduce the Apache log.
As a programmer, the code is more important than a little bit of the log analysis and query. Common logging and setting methods are listed below.
Configuration file
Nginx Sub-access_log and error_log two kinds of logs
Settin
Tags: deleting logical data. com update pos LEDs so outputThis article describes a log that is not a transaction log, but an error log for SQL Server logs and agents that divides the error log into SQL Server, SQL Server Agent, Database Mail, and Windows NT, according to the principal. SQL Server uses logging information generated during startup and operation of the database engine, which is not necessarily an "error" message, and is divided into thre
How to deal with the rapid growth of oracle archive logs, oracle archive logs
Oracle archive logs are generally generated by dml statements, so the increase speed should be too frequent by dml.
First, query the generation of the following daily archives:
Select trunc (FIRST_TIME) "TIME ",SUM (BLOCK_SIZE * BLOCKS)/1024/1024/1024 "SIZE (GB )"From v $ ARCHIVED_LOGGr
The size of Oracle archived logs is much smaller than that of online logs.
Some users may be confused about the size of archived logs smaller than those of online logs:First, check whether your archive log files are compressed:SELECT to_char (first_time, 'yyyy-mm-dd hh24: mi: ss'), blocks * block_size/1024/1024, compressed from v $ archived_log;If not, this issue
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