xfinity so slow

When and how to enable MySql logs in the blog at the front end We learned how to enable MySql slow query logs. Today, let's take a look at how to read these slow query logs. When and how to enable MySql logs in the blog at the front end We learned how to enable MySql slow query logs. Today, let's take a look at how to read these

And the tool comes with similar SQL statement to heavy function, can be sorted according to the specified way (such as the analysis of slow query log, so that it according to the SQL statement execution time reverse sorting, can easily locate the problem) +-------------installation Mysqlsla slow query log analysis tool-------------+ Copy Code code as follows: Yum-y Install Perl-extutils-cbui

Tags: create empty engine Inno tar current from Insert globalFirst, the concept part: As the name implies, the slow query log is a long execution of query, which is what we often call slow query, by setting--log-slow-queries[=file_name] to open the function and set the record location and file name, The default file name is Hostname-slow.log, and the default dire

In front of the blog "when, how to open the MySql log?" ", we learned how to enable the slow query log for MYSQL. Today we look at how to read these slow query logs. Before tracing the slow query log. First you have to make sure that there is a slow query at least once. Suppose you are not able to make one yourself:

Tags: style blog http color io os using AR forMysqlsla is a feature that helps with parsing, filtering, and sorting of MySQL slow query logs, binary logs, and more. Overall, the functionality is very powerful. can make SQL query data report, analysis including execution frequency, data volume, query consumption and so on. And the tool comes with similar SQL statement to the function, can be sorted according to the specified way (for example, when anal

Label:1, configuration on Linux: Added in MySQL config file my.cnf Log-slow-queries=/var/lib/mysql/slowquery.log (Specify the log file location, can be empty, the system will give a default file Host_name-slow.log)long_query_time=2 (record over time, default is 10s)Log-queries-not-using-indexes (log down without using the indexed query, depending on the situation to decide whether to open)Log-long-format (if set, all queries that do not use the index

Description of yum-yinstallperlperl-DBIperl-CPANwgethackmysql.comscriptsmysqlsla-2.03.tar.gztarzxvfmysqlsla-2.03.tar.gzcdmysqlsla-2.03perlMakefile.PLmakemakeinstallmysqlsla-ltslowvarmysqllogmysql-slow.log statistical parameters? Qu Yum-yinstall perl-DBI perl-CPAN wget http://hackmysql.com/scripts/mysqlsla-2.03.tar.gz tar zxvf mysqlsla-2.03.tar.gz cd mysqlsla-2.03 perl Makefile. PL make install mysqlsla-lt slow/var/mysql/log/mysql-slow.log statistical

Monitor SQL statement execution efficiency based on mysql slow logsEnable MySQL log-slow-queries (slow query records ).In Linux, find my. cnf file (usually in/etc/mysql/), and you may find that the file cannot be saved after modification, because you do not have the corresponding permissions, you can see from the attribute that the owner of the file is root. In t

[Slow query optimization] use MySQL subqueries with caution, especially when you see the DEPENDENTSUBQUERY tag. The case sorting time is as follows: I have repeatedly stressed the importance of explain in slow query optimization 1 and 2, but sometimes I cannot see how the explain results guide optimization. At this time, I still need some help with other basic knowledge, and even need [

As the programmer may not write the best things, we only need to enable the mysql slow query log function to analyze the performance of each SQL statement. Let's take a look at it. In MySQL, the definition time of a slow query is specified by the MySQL built-in parameter long_query_time. The default value is 10 (unit: seconds ), we can use the show variables like 'long _ query_time '; command to view the in

Mysql slow query logs are very useful for queries with tracing problems. You can analyze the resource-consuming SQL statements in the current program. How can I open mysql slow query log records, next, we will introduce you in detail Mysql slow query logs are very useful for queries with tracing problems. You can analyze the resource-consuming SQL statements in t

Analysis and solution to slow mysql server query Some developers, especially those who have contact with mysql, may encounter slow mysql queries. of course, I am referring to a large data volume of millions or tens of millions, not dozens of times, next we will look at the solution to slow query. Developers often find that they do not use indexed or limit n state

This article is about how to enable PHP-FPM in slow log configuration? There is a certain reference value, the need for friends can refer to, I hope to help you. Although through Nginx Accesslog can record user access to an interface or the time spent on a webpage, but can not be clearly traced to the specific location or the function is slow, so through the php-fpm sl