In Tomcat, access log is not set by default. Configure the following in the Server.xml file.
[HTML] view plain copy print? In general, Tomcat and Apache are used together, and Apache also has access log. TOMCA also set the words are not superfluous.
One advantage of access
By default, Apache runs two log files: access_log (access log) and error_log (error log. Take a look at a typical acce
By default, Apache runs two log files: access_log (access log) and
the request that the status code is not equal to the specified value, simply add a "!" Symbols can be:
Apache log: Access log (i)
Want to know when and what people are browsing the content of the site. See Apache's access log to know. The
There are two articles in front of elk about MySQL slow log collection and Nginx access log collection, so how can the logs of different types of applications be easily collected? And see how we deal with this problem efficiently.
Log specification
The specification of the log
Restrict Apache log access. log File Size
Rotatelogs is a simple program used with the Apache pipeline log function. You can configure the rotatelogs function of the Apache program in the httpd. conf configuration file of apache.
References: here
1. generate new logs every day
CustomLog "|/usr/sbin/rotatelogs/etc/httpd
method name, or the line number has a great effect on performance.
A relatively advanced feature of the log framework is the diagnostic context mapping (mapped diagnostic contexts). MDC is just a map of a thread-local. You can put any key-value pairs into this map, so that all of the log records for this thread can take the corresponding information from this map as part of the output
1. Introduction to the LogThere are two main types of Nginx logs: Access logs and error logs. The access log mainly records each request that the client accesses Nginx, the format can be customized; the error log mainly records the log
+ ' Last access time: ' +last_time ') #print (Ip_count_first) #多次记录print (' function two: statistics are only accessed 1 times by IP address and time: '. Format (' * ', 3)) for ip_timeinip_count_first:print (ip_time) print (' Function Three: Access multiple IP addresses, first time and last time: ') Forjinip_count_many:print (j)
Transferred from: volume analytics, etc., but ignored Apache access logs! Apache logs can record every request of the website for the Administrator's reference. Especially when a website is faulty, Apache log files can provide a lot of useful information. By analyzing log files, locate the website issue. However, the default
(destination URL address). Such as: The above example of the/....8. Request method (get or post, etc.). Example: The GET in the previous example9. Request the URL address (remove the host section). such as:/html/test.html in the above example10. Request Status (status code, 200 indicates success, 404 means the page does not exist, 301 means permanent redirect, etc.), the status code can be found on the Internet related articles, no longer repeat. such as: "200" in the above example11. Request p
This article shares with you the main isTornado log Format customization related content, take a look at it, I hope you learn Python help.play for the first timeTornado. Version4.x. In order to solve the problem of log format,GoogleA lot, not a valid one. TornadoThe log
log_json , where, main for normal text format, log_json JSON format. It log_json is actually a JSON string that is constructed by hand. Once you have defined the log format for JSON, you can specify that access log is in JSON
After visiting http: 211.100.97.250zabbix today, you can check the access log to see the log format defined in the apache configuration file: customlogsaccess_logcombinedlogformat % h % l % u % t \ % r \ % s % B \ % {Referer} I \ % {User-Agent} I \ combined I access http wit
Nginx server Log related instructions are mainly two, one is Log_format, used to set the log format,Another is access_log, used to specify the log file storage path, format and cache size, generally in the Nginx configuration file in the diary configuration (/usr/local/nginx
JSON nginx default log output format is text non-JSON format, modify the configuration file can output JSON format for easy collection and drawingModify Nginx configuration file to add configuration, adding a JSON output format to the lo
log analysis of Apache combined format After visiting the http://211.100.97.250/zabbix/today, I looked at the visit log to see what Let's take a look at the log format defined in the Apache configuration file:Customlog "Logs/access_log" combinedLogformat "%h%l%u%t \%r\"%>s%
The various configuration items in the output log format are described below:
Parameters
Description
Example
%c
Lists the full name of the logger namespace, if the {
log4j configuration File Parameters Example
Output Display Media
Suppose the current logger namespace is "A.B.C"
%c
A.b.c
%C{2}
B.c
%20c
(If
In the development of more common or log4j, basically every developer knows, but the use of Logback output log, the estimated use of not many people, in fact, these two are SLF4J implementation, but also the same author.
Log4j is an open source project in Apache, through the use of log4j, we can control the log information delivery destination is the console, file, GUI components, or even a set of interface
code, 200 for success, 403 for no permissions, 404 for the page not found, specify below.Sc-substatus: Protocol sub State, logging HTTP child status code.Sc-win32-status:win32 status, log the Windows status code, and refer to the description of the log "Sc-win32-status--win32 status details in IIS", which was sent in the Chxwei blog.Sc-bytes: The number of bytes sent by the server.Cs-bytes: The number of b
1. Installing Elmah through NuGetELMAH on XML log automatically adds configuration content to the Web. config file, does not allow remote access by default, log access path is Elmah.axd, 500 error is not logged2. Modify the configuration file500 increase in exception logging, allowing remote
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