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PHP is slow to respond when database operations are involved (TTFB time is long)

When the database address is localhost, the Web site is opened very slowly ttfb a long time.

Chrome browser loading CSS file TTFB waiting time-out of a wonderful problem

; }blockquote: Before,blockquote: After,Q: Before,Q: After { content: '; }ins { background-color: #FF9; color: #000; text-decoration: none; }Mark { background-color: #FF9; color: #000; font-style: italic; font-weight: bold; }del { text-decoration: line-through; }abbr[title],DFN[title] { border-bottom: 1px dotted; cursor: help; }HR { height: 1px; Border: 0; border-top: 1px solid #CCC; margin: 1em 0; }Just a simple CSS reset code. (Note that there are no blank lines of the OH)Curren

Return 200 But the page crashes, post is empty TTFB 10 minutes?

, everything is very harmonious ah. Then why did you turn so long, Daisy? Why did you just crash?Look at timing:TTFB, what the hell, it took 10 minutes!Hurry and look at Nginx log:Hey... You've really spent 10 minutes.Look again, PHP log:Pop, the POST parameter is empty. Hurry and look at the other requests, no problem. There's a problem with that. A fright.Ask the left, "is it online?" "No", right, "Is it online?" "No," he said. ”Since the same set of code requests, only the file over 3M has

MySQL slow query (ii)-Pt-query-digest detailed slow query log pt-query-digest slow log analysis

Essays-66 Articles-0 comments-MySQL slow query (ii)-Pt-query-digest detailed slow query log one, Introduction Pt-query-digest is a tool for analyzing MySQL slow query, it can analyze Binlog, Gene RAL Log, Slowlog, can also be analyzed via showprocesslist or MySQL protocol data captured by Tcpdump. The analysis results can be exported to a file, the analysis proce

JavaScript-Why did you just open the page when it was slow to load and opened in a few seconds?

Why did you just open this page and load it slowly, after a few seconds to open, I see the HTML file loading for more than 3 seconds, why this? Tested in the company's server? Reply content: Why did you just open this page and load it slowly, after a few seconds to open, I see the HTML file loading for more than 3 seconds, why this? Tested in the company's server? From the top, your problem is mainly focused on HTML text return is very slow, g

Javascript-why loading a webpage is slow when it is opened, and it will only start a few seconds later

Why does it take more than three seconds to load html files when the webpage is opened? Tested on a company server? Why does it take more than three seconds to load html files when the webpage is opened? Tested on a company server? Reply content: Why does it take more than three seconds to load html files when the webpage is opened? Tested on a company server? From the above, your problem is mainly due to the slow response of html text, the long

Laravel5.1's website has no business logic, and it feels very slow!

the following parts: We open Google's network debugging analysis, this is my local speed laravel 5.1.35, no cache (optmize, route cache) For details, see understanding resource timing.Initial connection: client queue/client latency/initial proxy requestServer Response: request sending/ttfb (server waiting)/content download The ttfb here is the response speed of our server, which includes Server proce

MySQL Slow Query Log (Slow Query Log), mysqlslow

MySQL Slow Query Log (Slow Query Log), mysqlslow Like most relational databases, log files are an important part of MySQL databases. MySQL has several different log files, such as error log files, binary logs, common logs, and slow query logs. These logs help us locate the internal events of mysqld, database performance faults, record the change history of data,

Laravel 5.1 Do the website, there is no business logic, feel very slow ah!

Laravel 5.1 Do the website, there is no business logic, feel very slow ah! This issue has been turned off because of an issue where the exact result cannot be obtained Reply content: Laravel 5.1 Do the website, there is no business logic, feel very slow ah! We should start with these aspects to consider the problem Page load content contains Server main file (the URL address you req

MySQL slow query optimization-slow query log analysis instance tutorial _ MySQL

This article describes how to analyze MySQL slow query logs by setting parameters to analyze the causes of performance problems, for more information, see query. Currently, most databases provide performance analysis tools. For example, Oracle will help you find slow statements and provide optimization solutions. In MySQL, you need to enable slow log records for

MySQL reads slow SQL statements by slow query log

When MySQL uses the slow query log to locate those SQL statements that perform less efficiently, and start with the--log-slow-queries[=file_name] option, Mysqld writes a full execution time of more than Long_ Query_time The log file of the SQL statement for the second, by looking at this log file to locate the less efficient SQL.The slow query log is not logged a

MySQL slow query and php-fpm slow log

MySQL Slow queryIn web development, we often write some SQL statements, a bad SQL statement may make your entire program very slow, more than 10 seconds the average user will choose to close the Web page, how to optimize the SQL statement to run those long-running SQL statements to find out? MySQL provides us with a very good feature, that is slow query! The so-c

Genral log (Common log) and slow log (slow Japanese)

General log:The geleral log records every query or command received by the server. General log records the query or command, whether it is correct or even contains a syntax error, the record format is {time, ID, command, argument }. It is also because the MySQL server needs to constantly record logs, enabling General log will produce a large amount of system overhead. Therefore, MySQL disables General log by default. You can enable the General log function or change the log storage path by modif

MySQL5.6 How to optimize SQL statements for slow queries--Slow log introduction

Tags: indicates record Run command Net TLE HTTP LOB Prevention comprehension A recent development team complained that our platform included MySQL cluster, and always reported MySQL's "Heartbeat Error". Analyzed the logs they collected. Did not find the MySQL cluster node network between the problem, but found a very interesting phenomenon, in the MySQL slow log found a lot of slow query. Basically, it take

PHP slow script log and Mysql slow query log

1, PHP slow script log intermittent 502, is caused by the failure of the back-end PHP-FPM, intermittent 502 is generally considered to be caused by the restart of the PHP-FPM process. An intermittent 502 error occurs when the number of child processes in the PHP-FPM exceeds the number in the configuration, and if max_requests is set in the configuration, a 502 error occurs when the number is exceeded. 1, PHP slow

PHP Performance Tuning---PHP-FPM Enable slow log configuration (used to detect slow PHP scripts)

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 in slow query log slow log query analysis

Slow query log in MySQL is a very important feature, we can turn on the MySQL slow query log function, so that we can analyze the state and performance of each SQL execution to optimize.One, slow query log configurationTo turn on the slow query log, configure the sample:/etc/mysql/my.cnf[Mysqld]Log-

Why not record slow queries ?, Slow recording

Why not record slow queries ?, Slow recording(I) Background:At on May 18, I received a message from the front-end about player disconnection. I checked the CPU, slow query, and DB Request volume. No exception was found. The DB performance was as usual. (Ii) Identify the cause: INSERT INTO t (col1, col2, col3, col4, col5, col6, col7) VALUES ('3532082239485507011_

Samsung G9208 S6 Slow motion how to use? How to use S6 slow motion

What is slow motion? Slow action is the same as fast action. In essence, are the technical methods to change the physical form of motion, the slow motion in television is usually done on the stunt table, the film is upgraded (slow motion) or degraded (fast motion) photography Usually the quick action in the movie is

See how MySQL turns on slow queries? Talking about the principle of slow query log

MySQL Slow query log is a log record provided by MySQL, which is used to record the corresponding time in MySQL over the threshold of the statement, that is, the running time exceeds the long_query_time value of SQL, will be recorded in the slow query log. The default value for Long_query_time is 10, which means that the statement above 10S is running. Settings for the

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