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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 slow log, Slowlog setting allows us to see which PHP processes are too slow to cause problems with the sitePhp-fpm.conf has a parameter in the configuration f

MySQL enables the log-slow-queries Method for slow query, logslowqueries A page of a common WEB site often needs to query n SQL statements to get the PAGE result. When the Website access speed is slow and the front-end has done a lot of optimization work, searching for database bottlenecks is also an important part of WEB optimization.MySQL provides a

Label:MySQL's "slow query" refers to an SQL statement that exceeds the maximum allowable query time ( long_query_time ), and the "unused index" query, by definition, is the SQL statement that the query statement does not use to the index.Slow query configuration and useAdd the following parameters to the Msyqld startup configuration file or command line parameters Long_query_time=1 Log-slow-qu

Slow query log: all SQL statements that run longer than long_query_time in MySQL slow query log records help you find slow SQL statements, so that we can optimize these SQL statements. Slow query log configuration: by default, mysql does not enable slow query logs. [Root @ r

A common web site often need to query n SQL statements to get the results of the page, when the Web site access speed is slow and the front-end done a lot of optimization work, the database bottleneck of the search is also an important part of the Web optimization.MySQL provides a slow query logging function, you can query the SQL statement time is greater than the number of seconds to write to the

Analysis of MySQL Slow log is the operation of the work, not less. To quickly locate slow SQL, and to optimize SQL after discovery and to modify the business, ensure that the database works stably and efficiently. Here is my work to solve the idea ...1. View local database slow log files first650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M02/4B/F1/wKioL1

Tags: mysql optimized sql slow logRecently, a development team complained that our platform contains MySQL cluster not, always reported the MySQL "Heartbeat Error", analyzed the logs they collected, did not find the network between the MySQL cluster node problem, but found a very interesting phenomenon , in the MySQL slow log found a large number of slow queries,

Many friends in the dial-up connection when the broadband connection is slow and annoying, in particular, novice friends often encounter broadband connection slow but helpless, below to share how to solve the problem of slow broadband connection. First of all, we must first find the cause of the slow computer boot broa

Tags: var set database query Select variables MySQL value showFirst, IntroductionTurn on the slow query log, you can let the MySQL record query over a specified time of the statement, through the location analysis of performance bottlenecks, to better optimize the performance of the database system.Second, parameter descriptionSlow_query_log Slow Query Open statusSlow_query_log_file the location of the

MySQL log-slow query log (slow-query-log)Slow query log: All SQL statements that run longer than long_query_time in MySQL slow query log records help you find slow SQL statements, so that we can optimize these SQL statements. Slow

PhpStudy slow access speed and startup failure solution, phpstudy slow speed. PhpStudy slow access speed and startup failure solution. phpstudy slow access speed is described below. 1. modify the connection address of the mysql database to the IP address phpStudy. slow acces

I. Environment OS: CentOS release 5.8 (64-bit) DB: MySQL5.5.17 Ii. Operations Run the rm-f command to delete the slow query log. Iii. Problems The slow query log is not automatically generated. (if there is a backup, it is difficult to copy it back) Iv. Solution Log on to MySQL as an administrator and execute commandsFlush logs; If the execution is successful and the

-- ===========================--MongoDB Slow query log-- =========================== reference:http://docs.mongodb.org/manual/tutorial/manage-the-database-profiler/ Profiling levels:1 Resume0-the Profiler is off, does does not collect any data.1-collects profiling data for slow operations only. By default slow operations are those slower than.You can modify the '