hadoop log analysis tool

MySQL slow query log analysis tool mysqldumpslow Mysqldumpslow is a log analysis tool that comes with mysql. As the name suggests, mysqldumpslow is used to query SQL statements that are slow in query. This analyzes the causes of s

Tencent HadoopHttp://www.ha97.com/5665.htmlNginx upstream source code, let's take a look at ithttp://bollaxu.iteye.com/blog/855497 ETK Build Log Platformhttp://yanliu.org/2015/08/19/ELK-redis%E6%90%AD%E5%BB%BAnginx%E6%97%A5%E5%BF%97%E5%88%86%E6%9E%90%E5%B9%B3%E5%8F%B0/Desktop rapid development toolshttp://www.aardio.com/Analysis toolsHttp://www.cr173.com/soft/83182.htmlNginx start from the beginninghttp://

actual index used. If NULL, the index is not used. Key_len: The length of the index used. The shorter the length the better, without loss of accuracy Ref: Shows which column of the index is being used and, if possible, a constant Rows:mysql the number of rows that must be checked to return the requested data Extra: The return value to note (extended column) Using Filesort: When you see this, the query needs to be optimized. MySQL requires additional steps to find out how to sort the rows that a

Reference: 5 kinds of MySQL log analysis tools to compete http://blog.csdn.net/gzh0222/article/details/103844751.mysql-log-filter Tool Script Usage instructions:An analysis tool found on Google code. Two executable scripts for Pyt

generated by adding other parameters cannot be opened.Jvisualvm can also heapdump the corresponding hprof file (default storage path: Under the monitored server/tmp), which can be analyzed using hpjmeter. GcviewerHttp://www.tagtraum.com/gcviewer.htmlSupportedSun JDK 1.4/1.5 with the options-xloggc: Sun JDK 1.2.2/1.3.1/1.4 with the option-verbose: GCIbm jdk 1.3.1/1.3.0/1.2.2 with the option-verbose: GCIBM iseries classic JVM 1.4.2 with option-verbose: GCHP-UX JDK 1.2/1.3/1.4.x with the option-xv

results.Some system versions in the escalation stack failed to restoreBUGHD in the symbol table system stack, you need to correspond to the system version of the library, a lot of small version of the IOS build needs to be exported from the device, only the symbol table to collect the system to restore.Andorid question What is the crash of Java?The Java runtime is not throwable by the Try catched, and the process of throwing the JVM out of the JVM is the Java Crash.What is the restore symbol fi

.png-wh_50 "/>3. Create a new analysis650) this.width=650; "Src=" Http://s1.51cto.com/wyfs02/M00/83/20/wKioL1drgzmTQSE1AABcPyzywfc363.png-wh_500x0-wm_3 -wmp_4-s_2239805712.png "title=" Qq20160623143557.png "alt=" Wkiol1drgzmtqse1aabcpyzywfc363.png-wh_50 "/>WebLog Expert Use First, create a new site instance by clicking NewPerfile: Fill in the name of your websiteDomain: Enter the URL of your websiteIndex: Analyze the page of the site.Retrieve page Tit (retrieving title)Lookup DNS names (view DNS

In windows, mysql5620 used mysqldumpslowpl to analyze slow logs. Today, we see a tool pt-query-digest, which was originally intended to be installed and used on windows. The result is to run C on windows: before ProgramFilesMySQLMySQLServer56b, mysql5.6.20 in windows used mysqldumpslow. pl analyzes slow logs. Today, we see pt-query-digest, which was originally intended to be installed and used on windows. The result is that C is executed on windows: \

Mysqldumpslow is a slow query log analysis tool with MySQL, as its name implies, queries those SQL statements that are slow to query, thus analyzing the reason why SQL query efficiency is slow.In general, the results of a Mysqldumpslow group query are similar, and when displaying statistical results, you can abstract numbers and strings into "N" and "S", respecti

In Oracle, this is not unfamiliar with the LOGMNR tool analysis log, which is often used for data recovery scenarios, where it is convenient to analyze archived logs;Of course, there is a LOGMNR interface tool on the Internet; the download requires points; Write a script for that.##=====================================

Tags: get open CTI count for close argv list src Because the database additions and deletions suddenly burst, need to query is the operation of those tables is particularly frequent, wrote a tool to analyze Bin-log, find and add to change the table, and the number of operations in descending order, the following is the code: 1 2 3 4 5 6 7 8 9 Ten One A - - the - - - + - + A at

Nginx log analysis tool goaccess encountered several problems during installation and running (my system is centos6.3): 1. when running goaccess, report that the library libGeoIP cannot be loaded. so.1. the file or directory cannot be found. search and find that the file actually exists. in/usr/local/li... nginx log

Analyzing Nginx logs in the consoleGoaccess-f B.logGenerate HTML file Analysis Nginx logVI ~/.goaccessrcTime-format%TDate-format%d/%b/%yLog-format%h%^[%d:%t%^] "%r"%s%b "%r" "%u"Detailed parameters: Man goaccessOrNginx Variable goaccess Variable$remote _addr%h$remote _user%^ (ignored)$time _local%d:%^$upstream _cache_status%^ (ignored)$request%r$status%s$body _bytes_sent%b$http _referer%R$http _user_agent%ugoaccess-f b.log-p ~/.goaccessrc-a > b.html #