1. When using C # To write thrift's server to respond to HTTP requests, a problem occurs during structured transmission, that is, data transmission is very slow (in the network,
This is because tstreamtransport is used when data is transmitted, and a connection is established.
2. solution:
You can rewrite thttphandler to the following.
Public void processrequest (Stream Input, stream output) {// tTransport transport = new tstreamtransport (input, out
MySQL Server SWAP usage is high, which causes db to be very slow and slow. mysqlswapHigh usage of MySQL Server SWAP causes slow dbEnvironment Introduction:CentOS: 6.XMySQL version: 5.5.40Fault Cause Analysis:The physical memory is 16 GB, And the swap is 4 GB. MySQL occupies 14 GB of physical memory, while other applications or system processes require 3 GB of mem
As we all know, MySQL has slow query log, and we can tell that those SQL statements have performance problems based on the slow search logs. As a good partner for MySQL, PHP has the same functionality. If you use PHP-FPM to manage PHP, you can open it with the following options.
The PHP 5.3.3 was previously set as follows:
The following PHP 5.3.3 are set:Request_slowlog_timeout = 5sSlowlog =/usr/local/php
1.MySQL 5.5 command line inside
Copy Code code as follows:
Set global log_slow_queries = on; # Open Slow Log
Set [Session|global] long_query_time = 0.2 # setting time. Precise milliseconds
Set global log_queries_not_using_indexes = on; # set up a query without indexes
2. View the form of the store logMysql> Show variables like ' log_output ';
This file is meant to be stored in the form of a file.
If it is a table, i
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
Solve the problem of slow remote connection to mysql (mysql_connect slow connection) bitsCN.com finds that network communication is normal after ping and route, and it is very fast to perform local connection on the mysql machine, therefore, network problems are basically ruled out. I have encountered such a problem before, but I don't know how to make it happen. this time I encountered such a problem, so I
iphone uses wireless network for slow resolution
Step 1: When using WiFi access, first also check the current network signal is good. If the signal is not good, move to a location closer to the wireless router. Walls and distances can cause wireless networks to receive bad signals.
Step 2: If the signal display is full, you can try to change the iphone automatically acquired DNS server address, so as to speed up the network effect.
Step 3: Firs
Label:1. php Slow Script Log
Intermittent 502, is caused by the backend php-fpm is not available, the intermittent 5,021-like is due to the PHP-FPM process restart.
An intermittent 502 error occurs when the number of PHP-FPM in a configuration exceeds the number of child processes, and if max_requests is set in the configuration, there will be a 502 error over the number, and max_requests settings It is to prevent unsafe third-party libra
Failure phenomenon: pre-installed Win7 system ThinkPad, system startup slow, the right mouse button on the desktop for a long time to show.Reason Analysis:Because the pre-installed system has a lot of Lenovo software and startup items, more bloated, so slower.Solution:
Part I: Uninstall program
In turn, enter the "Start---Control Panel---uninstall program";
1, the first need to uninstall is Norton Antivirus. The name is Norton Internet Securit
Directly restore the Iphone6 network, click "Settings" in the mobile phone to find "general" → "restore" → "Restore network settings", if you set the lock screen password to enter the password can be, if there is no need to enter.
Open and click "privacy" → "positioning Service" → "system services", dial the WiFi network to turn off WiFi location services.
Another solution would be for us to upgrade the ios8.1 system, which solves the problem of a
Method one, directly on the device through the wireless network upgrade
1.iTunes upgrade Download firmware It's slow and it's not a weird thing to do, as long as friends who use ITunes to upgrade the firmware download are likely to have this problem.
2. If we have WiFi network can try to use directly in the mobile phone to download the iOS file, this relatively will download the file relatively small OH
3. Download on the phone we click on the
Method One, clean up the computer
1, now commonly used Computer Management has this function, here we take the QQ computer housekeeper as an example to clean up the computer garbage file it, open the QQ housekeeper, and then click on the above "clean up the rubbish", then we can scan and clean up the rubbish.
2, and then prohibit some unnecessary startup software, we click on "Computer Acceleration"-"start" here to prohibit some of the boot unused software.
3, such as in the service items
1. Samsung S6 Edge Slow motion in the mobile phone's "camera", we click on the desktop camera can enter.2. In the camera this we click on "mode" as shown below.3. In the mode interface you will see a lot of options, we click on "Slow motion."4. OK, let's click on the "Record" button to start recording.5. When the recording is complete, click the "Stop" button.6. All right, we took the
Tags: open mysql query log[Email protected] ~]# egrep "Slow_query_log*|long_query_time|slow-query-log-file"/usr/local/mysql5.6/my.cnfLong_query_time = 1 (slow query time)Slow_query_log=1Slow-query-log-file =/data/mysql3307/log/mysql-slow.logLog_queries_not_using_indexes=1 (#记录没有使用索引的查询)Modify the MySQL console without restarting the MYSQLD service:#开启慢查询日志记录mysql> set global slow_query_log=on;Query OK, 0 ro
A lot of stationmaster turns to NGINX+PHP-FPM after, suffer 500,502 problem to be troubled. When Nginx received the error code, you can determine that the backend php-fpm parsing PHP has some kind of problem, such as execution error, execution timeout.
Php-fpm.conf's configuration file has a parameter request_slowlog_timeout is described in this way
Copy Code code as follows:
; The timeout for serving a only after which a PHP backtrace would be
; Dumped to the ' slowlog ' file.
First, 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 slow query log (this
Label:One colleague suggested that the MySQL database connection used for development was slow because our MySQL development database was deployed on a single machine, so it might be caused by a network connection problem.Network traffic is normal after pinging and route, and local connections on the MySQL machine are found to be fast, so network problems are largely excluded. Once also encountered such a problem, but later on I do not know how sudden
Http://www.jb51.net/article/27616.htm a colleague suggested that the MySQL database connection used for development was slow because our MySQL development database was deployed on a single machine, so it might be caused by a network connection problem. Network traffic is normal after pinging and route, and local connections on the MySQL machine are found to be fast, so network problems are largely excluded. Once also encountered such a problem, but la
Label:As we all know, in the case of large traffic, can add node or change the schema can effectively alleviate the database pressure, but all the origin, all from a single MySQL start. The following summarizes some of the experiences that have been used or studied, and some optimizations are made to MySQL, starting with the configuration and adjusting the index.The first step should be to troubleshoot the problem and find the bottleneck, so start with the logTurn on
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