xfinity so slow

PureftpdIt is a fast, high-quality, and fully functional ftp server. The most important thing is that it supports setting the Default Client encoding. Pureftpd is very powerful and useful, however, pure-ftpdwho is too slow or too slow to log on to. This problem has been bothering me for a long time. I have finally found out the answer and read it below! Sometimes, pure-ftpwho shows

Slow query log (does not include time to acquire locks) 1, open the Slow query log function The parameters for opening the slow query log feature in previous versions are--log_slow_queries specified in the my.cnf file, but are now specified in the new version with Parameters--slow_query_log and--slow_query_log_file Slow_query_log=1 Slow_query_log_file=/tmp/my

The original address: MySQL is slow sql hang, with shell script to quickly clear the growing slow SQL method MCHDBAA novice DBA mistakenly deleted index,mysql is all over 10S slow sql,mysql service is hang, and slow SQL constantly in the increase, if manually in the MySQL interface kill, it is too late, this time, the

hostname cache.If not the thread would call Gethostbyaddr_r () and Gethostbyname_r () to resolve the hostname.If the operating system doesn ' t support the above Thread-safe calls,The thread would lock a mutex and call gethostbyaddr () and gethostbyname () instead.Note that in this case no other thread can resolve other hostnamesThe hostname cache until the first thread is ready.You can disable DNS host lookup by starting mysqld With–skip-name-resolve.In this case you can however only use IP na

Php Performance Analysis-Usage Analysis of php-fpm slow execution log slow log, php-fpmslow This article describes the usage of php-fpm slow execution log slow log in php performance analysis. We will share this with you for your reference. The details are as follows: As we all know, mysql has

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 suddenly go

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

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

This article describes the PHP performance analysis of php-fpm slow execution log slow logs usage. Share to everyone for your reference, specific as follows: 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 fo

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

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

QQ transmission file too slow solution Method 1: Change the network If uplink bandwidth is subject to ADSL networks, the best solution is to replace the network with faster uplink bandwidth. Now the whole country in the popularization of fiber to households, if the use of optical fiber, theoretically can reach 20m, the highest to 100m, and upload and download is symmetrical. Method 2: Adjusting equipment If it is because of the company

, the need for network support programs too much. Often see a lot of colleagues QQ, fly, 360 and so many of the need for network support programs all open, and then said that his computer speed is slow. I want to kiss, you are not slow to blame OH. How to: Close some unused programs that require network support, and then try again. 4, check whether there is a web video, or the player has a movie watching.

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