splunk log analysis

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ERROR Log event analysis in kafka broker: kafka. common. NotAssignedReplicaException,

ERROR Log event analysis in kafka broker: kafka. common. NotAssignedReplicaException, The most critical piece of log information in this error log is as follows, and most similar error content is omitted in the middle. [2017-12-27 18:26:09,267] ERROR [KafkaApi-2] Error when handling request Name: FetchRequest; Version:

Thread 1 cannot allocate new log problem analysis (reproduced)

Thread 1 cannot allocate new log Problem Analysis In the event of an Oracle crash, the alert file reports the following error: Fri Jan 12 04:07:49 2007Thread 1 cannot allocate new log, sequence 187398Checkpoint not complete Cause analysis: The background process of ckpt is to do the checkpoint. One of the condi

AWStats Introduction: log analysis tools for Apache/IIS (1)

\. com ', 'search \. sina \. com ', 'search \. sohu \. com ', the three search engines. Includes patches defined for major search engines and spider in China (unpack and overwrite the original program directory under the lib \ directory) The log statistics system plays an important role in site user behavior analysis, especially for keyword access statistics from search engines: it is a very effective data

Analysis of MySQL binary log _ MySQL

Analysis of MySQL binary log bitsCN.com Analysis of MySQL binary logs is generally used for database synchronization. because binary logs record all changes in the database, SLAVE can perform the same update, in fact, binary logs can be used for writing and playing back the database, so they can also be used for other purposes such as statistics or instant recove

Use of apache log analysis tools (webalizer and awstats)

In linux, logs play a very important role. we can determine the status of a service based on the log recorded content, the user access status, and the log can also help us troubleshoot errors, find out the insecure factors in our system. Of course, there are many ways to manage logs. we can use shell scripts to manage logs. To implement more powerful log manageme

Website log analysis of Spark combat

The previous article should be a more detailed introduction of the basics of spark, after understanding the knowledge of some spark, you must be not a stranger to spark it! If you've written about MapReduce before, and now you're familiar with spark, I guess you don't want to use MapReduce to write an application anymore, not to mention how tedious (relative) the MapReduce is, but also the efficiency of the operation. And the program that was written in Spark is more elegant, here I mean the Sca

Awstats Introduction: Apache/iis Log Analysis Tool _ website application

', ' search\.sina\.com ', ' search\.sohu\.com ', these 3 search engines. contains the main search engines and spiders defined by the domestic patch (after the lib\ directory to cover the original program directory can be) The log statistics system plays an important role in the user behavior analysis of the site, especially for the keyword access statistics from search engines: it is a very effective sou

Installation and configuration of Apache Log Analysis Tool Awstats

These days, due to the large differences in the statistical data of several different traffic statistical tools, I thought that we should analyze the apache access log, where the data should be the most authoritative. At the beginning, I wrote a simple analysis tool for emergency response and collected some simple data. The open-source Awstats should be a widely used and fully functional tool. The installat

The latest apache log analysis tool in CentOS

Two tools for monitoring apache logs Apache Log Analysis Tool webalizer awstat Prepare webalizer-2.23-05-src.tgz awstats-7.0.tar.gz Perl-5.16.3.1603.tar.gz Install apache [Root @ lly ~] # Mkdir/mnt/cdrom [Root @ lly ~] # Mount/dev/cdrom/mnt/cdrom mount the optical drive [Root @ lly ~] # Cd/mnt/cdrom/Server/ [Root @ lly Server] # rpm-ivh apr-1.2.7-11.el5_3.1.i386.rpm [Root @ lly Server] # rpm-ivh postgresql

Pt-query-digest Query Log Analysis tool

1. Introduction to ToolsPt-query-digest is a tool for analyzing slow queries for MySQL, which analyzes Binlog, general log, Slowlog, It can also be analyzed using showprocesslist or MySQL protocol data crawled by tcpdump. The analysis results can be exported to a file, the analysis process is the parameters of the query statement, and then the parameterized query

Apache log file detailing and Practical Analysis command _linux

method/Access Path/protocol "6) 200 This is a status code, sent back to the client by the server, it tells us whether the client's request succeeded, or was redirected, or what error was encountered, the value is 200, indicating that the server has successfully responded to the client's request, generally, this value begins with a 2 indication that the request succeeded. With a 3-preceded representation Redirect, there are some errors at the beginning of the 4-mark client, with some errors on t

Oracle 11g Logminer Analysis Redo Log Practice

/flash_recovery_area/primary/archivelog/2016_04_25/o1_mf_1_201_ Ckv08jyp_.arc ', OPTIONS = DBMS_LOGMNR. AddFile); PL/SQL procedure successfully completed. Sql> EXECUTE DBMS_LOGMNR. Add_logfile (LogFileName = ' /home/oracle/flash_recovery_area/primary/archivelog/2016_04_25/o1_mf_1_200_ Ckv05pmp_.arc ', OPTIONS = DBMS_LOGMNR. AddFile); PL/SQL procedure successfully completed. 7. analyzing archived log files using a dictionary

Tomcat access log Source Code Analysis and Application

Tomcat access log Source Code Analysis and Application Tomcat logs can be divided into two types: 1. Access logs record the access time, source, data, and other relevant information (all information available for ServletRequest can be recorded ); 2. The running log records tomcat running, exception, and error information. Tomcat's

Linux Log File System Analysis

Article Title: Linux Log File System Analysis. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. In modern history, the log file system is considered very strange, mainly in the research stage. Now, the

Linux Log File System and Performance Analysis

The log file system can ensure the integrity of the overall data in the case of power failure or other system faults. Linux is one of the most supported operating systems, this article focuses on the common log file systems in Linux: ext3, reiserfs, XFS, and JFS log technologies, and tests them using standard test tools postmark and Bonnie ++, detailed performanc

. The Operation log Analysis system of NET micro-service architecture

First, Introduction . NET technology stack does not yet have a complete micro-service architecture stack like Spring Cloud, which is built on its own as the evolution of the business development system architecture. NET technology system of micro-service architecture, supporting the relevant core components. Because the platform is based on the micro-service architecture approach, each domain service adheres to the unified Platform standard, the respective development, the independent deployment

Hdinsight-hadoop actual Combat (i) Website log analysis

Hdinsight-hadoop actual Combat (i) Website log analysisBrief introductionIn this example, you will use the HDInsight query that parses the Web site log file to gain insight into how customers use the site. With this analysis, you can see a summary of the frequency of visits to the site within a day of the external site and the site error of the user experience.In

Mysql slow query log analysis tool

Mysql slow query log analysis tool1. mysql-log-filter tool script usage instructions: an analysis tool found on google code provides two executable scripts: python and php. Http://code.google.com/p/mysql-log-filter/ (need to move the ladder to climb the wall), 51cto download

Yii Framework Analysis Note 10: Log

instance * @param Boolean $processLogs whether to process the logs after they is collected from the logger */ Public function Collectlogs ($logger, $processLogs =false) { $logs =$logger->getlogs ($this->levels,$this->categories); $this->logs=Empty ($this->logs)?$logs: array_merge ($this->logs,$logs); if ($processLogs ! Empty ($this->logs)) { if ($this->filter!==null) Yii::createcomponent ($this->filter)->filter ($this->logs); $this->processlogs ($this->logs);

MySQL Slow query log analysis tool Mysqlsla (GO)

Tags: read slow log Mon-binary third-party Linux div full SQL databaseThe slow query log of the MySQL database is an important tuning auxiliary log, but the log format of the MySQL default record is not friendly enough to read, which is determined by the MySQL logging rule, capturing one record, although the recorded i

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