mac so slow

speed" function is very popular with users, although not long, but more than 240,000 users have used this service. If you are not satisfied with the boot speed, but can not do anything, may wish to try "super speed", Clean the disk and defragment the disk. 1. In My Computer window, right-click the letter you want to clean-"properties"-"clean disk"--check the file you want to delete--ok-yes. 2. Clear temporary files, start-run-input%temp%-OK. 3, with the optimization master or Super Rabbit c

If the usual iphone charging time is normal, suddenly the charging time slows down, then it is likely that the charging process need to use the location of some problems, may wish to try these several calls to improve. Clean up the charging socket As usual we are used to put the cell phone in the trouser pocket, located at the bottom of the phone charging interface easily into the ash, interface and power cord plug easy to contact bad. So the phone can not be charged, the first

. ENDTIME =:p 0Normal response:Physical read (blocks): 14,991.1 99.8Physical Write (Blocks): 21.4 0.1 Top Foreground Events by total wait time ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Tota wait% DB Event Waits Time Avg (ms) time Wait Class --------------------------------------------------------------------- DB CP U 2768 35.5 Direct path read 193,541 2075 One 26.6 user I/O db file scattered read 500,821 1465 3 18.8 user I/O Re AD by other session 423,225 1165 3 14.9 User I/O log file S

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

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

Before I wrote a MAC address plus minus 1 conversion of the article, there are some less comprehensive, here I re-a blog to explain.The real address of the Mac should be: ADCF4D5FD3CF, this, not AD:CF:4D:5F:D3:CF, this is the artificial colon, in order to look convenient;How about the MAC address minus 1? In fact, since the M