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Enable the slow query record function. Next, let's analyze the content of the slow query: Select count (distinct. name) from cp_paycard as a left join cp_reservation as B on. uid = B. UID where. type = 2 and B. cpparkid = '000000' and B. businesstype in (2013) and validenddate> '2017-07-05 23:59:59 ';# User @ host: Root [root] @ localhost [127.0.0.1]# Query_time: 0 lock_time: 0 rows_sent: 1 rows_examined:
Introduction: This is a detailed page to solve the problem of slow remote connection to MySQL (mysql_connect opens slow connection). It introduces PHP, related knowledge, skills, experience, and some PHP source code. Class = 'pingjiaf' frameborder = '0' src = 'HTTP: // biancheng.dnbc?info/pingjia.php? Id = 339668 'rolling = 'no'>My colleague once proposed that the MySQL database used for development is
Tags: mysql connection slow connection timeout DNS reverse resolutionProblem status: Recently because the server transformed the network segment, resulting in IP address transformation, after changing the use of MySQL client connection to the MySQL server and open the table in the client is very slow (regardless of the size of the table), even the connection time-out, but directly log on to the server local
Tags: style blog http io file SP problem logInitial: Due to the high CPU consumption of the newly installed server, the response is not timely troubleshooting, because the environment based on the most basic lamp architectureThink of turning on MYSQL slow_query_log slow query log for reasons analysis;But after seeing the log content is a bit dazed "I clearly set slower than 2 seconds to record slow query" b
Javascript animation objects support the implementation code of acceleration, deceleration, slow-in, and slow-out. For more information, see call the interface below: The Code is as follows: /*** @ Param elem {HTMLElement}: HTML element of the animation* @ Param params {JSON}: HTML attributes to be modified during animation execution* @ Param duration {Number} (optional) animation execution time, in mill
May be living in this fast-paced society for a long time, everyone in doing things like fast, even when using the mouse, but also want the mouse to run speed to keep pace with their own rhythm, once encountered it slow to keep pace with the time, it will be particularly annoying, want to let it get up, So what causes the speed of the mouse to slow down, we will come together to troubleshoot it!In general, t
How to deal with slow update ?, Slow update Processing? Slow update:1. What are the pctfree parameter settings of the table?2. Is the execution plan indexed or full table scan?3. How to Write SQL statements?4. Is update slow or is commit slow?5. How much data is updated?6.
Description: The optimization case is to express the meaning of the individual parameters, combining the analysis of the business with the logical implementation, and how to create the index and column order is selected (no longer described here)Environment Description :MongoDB version 3.0.9, replica set 3 node, memory 64g,cpu core, disk 2TB SSD, using WT storage engine ...The amount of data in this table is more than 260 million.The general analysis is as follows: View the classificati
What if the response speed is slow after the project is deployed to the server ?, Slow deployment A simple project is to call an API to query the express delivery information. When running locally, the response time is the slowest, that is, several hundred milliseconds. However, deploying a project on the server becomes several seconds. What is strange is that it is sl
:\SystemTool\ManagerNote.dll (Note: DLL mode)NGen Install D:\SystemTool\ManagerNote.exe (Note: exe mode)3) To uninstall native native images, use the same command-line options as when you installed the computer.NGen Uninstall D:\SystemTool\ManagerNote.dllNote: Here, depending on your own machine (32 or 64) and. NET version, select the appropriate command, just install EntityFramework.SqlServer.dll, because Ann relies on EntityFramework.dll, will automatically install the generated EntityFramewor
Web site loading is too slow, mainly on the picture loaded too slow This post was last edited by lijinglei8125336 on 2014-03-07 17:56:46 PHP to do the site, placed on the server but now open the Web site pictures loading speed is very slow, the picture is processed, CSS has also been optimized but now the picture loading speed is too
1. In the Apple 5s we clicked on the camera image and went to the "camera mode" of the cell phone. 2. As shown in the following illustration, we slide the slow action bar on the screen of the photo interface and click on the "recording" details as shown in the picture. 3. Now we can click on the White button to take a picture while filming. If not, click the red button directly, as shown in the following figure. 4. After the shoot, we can pre
Oracle SQL statements are fast and slow, while oraclesql statements are fast and slow. Today, I encountered a very strange problem. One SQL statement is very slow in PL/SQL developer and takes 9 s. The problem SQL: SELECT * FROM GG_function_location f WHERE f. parent_id = '000000'; The GG_function_location table contains 10 million data records, and the parent_id
Background: Watch PHP Slow log Generally speaking is mainly to look at the problem of network interface, there is a time when a server invokes the API interface, and the interface is on another machine, and someone maliciously calls through the interface, high bandwidth, resulting in a heap of Time_wait,nginx appear white page, at this time, This is the phenomenon, how to see the nature of the phenomenon, then open php-fpm
Give your cool dog software users A detailed analysis to share the cool dog download music slow problem solution. Solution: Download slow Please try to verify the network type again. Set up in the System setup--> options--> Network settings. Well, the above information is small weave to the users of cool dog software to bring the detailed cool dog download music very
Open MySQL Slow query MySQL Slow query log for tracking Php+mysql system under the MySQL load tuning problem is very useful, such as installing a lot of discuz! plug-ins users, so you can probably troubleshoot those plug-ins have code problems. In fact, the slow query log to enable MySQL is very simple, only need to add log-
Tags: add scan appears stat sorted MySQL optimization SLA featured OTAThe log is the same as people write diaries, record the past things. But the diary of a person is subjective (remember what you want to remember), and the database log is objective, according to the record content is divided into the following several kinds of log (technical article): A, error log: Records the issue that occurs when you start, run, or stop mysqld. B. General log: Records the established client connections and
Shell script analyzes mysql slow query log (slow log) and mysqlslow Percona pt-query-digest is used to analyze slow query logs. The analysis and statistics results are clear. #! /Bin/sh Slowlog_path =/root/slow_query_log Everyslow =/tmp/everydayslow # Download pt-query-digest Pt_digest =/root/pt-query-digest Start_string = $ (grep 'date -- date = "0 days
Slow wireless network speed? How many times faster does the wireless network work? Try these tips !, Slow wireless network speed In the modern Internet era, the first productivity is the speed of Network. We can't do without wireless networks every day. We need wireless networks at home and offices. However, if the speed of wireless networks is slow and the sig
My blog address is welcome to read and correct :http://www.cnblogs.com/yyxios/https://github.com/iossingerThe company project is not small, thousands of lines of code, but every time a small change, to recompile, light 5, 6 minutes weight more than 10 minutes, because the inside needs to display the three-dimensional effect, so the project put a lot of picture resources and video resources, resulting in each compilation speed is very slow;Workaround:I
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