windows diagnostic

For many people do not understand SEO optimization and search engine work principle, often send out: "Why this site can be ranked in Baidu or Google home page?" How did that happen? What SEO principles and techniques are used? And so on and so on or that question. In fact, these seemingly let us puzzled problems, can be optimized through the SEO diagnostic services for you to uncover the mystery of the site rankings. Finally, you will find that it is

First, IntroductionSystemtap is an open source software that troubleshoots performance or functionality issues with Linux systems. It makes it easier and easier to diagnose the Linux system at runtime. With it, developers or debuggers no longer need to recompile, install new kernels, reboot, and other annoying steps.In order to diagnose system problems or performance, developers or debuggers only need to write some scripts and then use the command-line interface provided by SYSTEMTAP to diagnose

1. Questions:Recently in the real-time synchronization of the log, before the online is done a single part of the online log stress test, Message Queuing and client, the machine is no problem, but did not think of the second log, the problem came:A machine in the cluster top see the load high, the cluster of machine hardware configuration, the deployment of software are the same, but only this one load problem, the initial speculation that there may be hardware problems.At the same time, we also

Often give a person to diagnose the website, the diagnosis is almost thousands of it. Today, we are here to share with you how to analyze diagnostic sites. It should be said that learning to analyze and diagnose the site is still very important, the so-called enemy, win. Only by fully understanding their own and competitors, in order to better survival and development. The following and everyone said I in the analysis of

Hello everyone, Zhu Weikun again to write articles, write site diagnostics article, the previous two articles, "Website diagnostic optimization Series One: Taiyuan Moving Network", "Website Diagnostic Optimization Series II: Pinus tabulaeformis net Chain Way", just hope that through the article to write a series of web site to solve problems, to facilitate novice in A5 can learn knowledge, so less detours.

vmstat: Virtual memory status–SWPD free buff cache si so in CSReferences: http://www.cnblogs.com/ggjucheng/archive/2012/01/05/2312625.htmlIostat:io StatusAvgqu-sz await SVCTMReferences: http://blog.csdn.net/dbanote/article/details/17784429mpstat:cpu StatusSYS usr iowait references: http://blog.csdn.net/evils798/article/details/7524474ifstat: Network status–In OutDstat: Summary of all resource statistics–Resource Summary: http://blog.csdn.net/yuandianlws/article/details/7004364tcpstat: View respo

There are many performance analysis tools on Linux, and a system performance expert, Brendan D Gregg, was found on Weibo, and a talk and slideshow on Linux performance was released at the recent LinuxCon NA 2014 conference. Compared with last year, this year increased the testing and optimization of the two parts. I have been programming for many years, the tools are only used, no in-depth research. Subsequent to these tools into the analysis, the first Guide group of students in the actual proj

1, press the key combination (Win key +r) to open the running window, and then enter "msconfig", carriage return confirmation, as shown in the following figure: 2, open the System Configuration window, click the "General" tab, and then click to select "Diagnostic Startup", click the "OK" button, as shown in the following image: 3, at this time will pop a window, prompts need to restart changes to take effect, we click on the "Restart"

of single task to download diagnostic features When we download a resource, if we find that it is not fast enough. You can right-click on it and select the Download Diagnostics command (Figure 2) to start the single Task download diagnostics feature. This will open the window shown in Figure 3, prompting us to pause all the download tasks and tell us all the questions (Figure 4) in the open window. Figure 2 Preparing to launch the Downl

only relative. Webmaster often say do seo to have perseverance, patience, careful is this truth, the so-called perseverance is actually adhere to a process, insist that easy to do difficult, and how many seoer do this? If you really did it, from the start, you've been insisting that you never give up. Then you should be also the SEO industry ringing of the characters, even if no fame, that wealth must be very prosperous ha, after all, the network can still make money, otherwise we will not all

static or pseudo static, so the search engine is more friendly, conducive to crawl, in line with the taste of search engines. Four, the navigation system avoids using the JS script Some sites, in order to have attractive visual features, the use of JS script to generate navigation system, but the search engine is unable to parse the JS script, although the search engine is also trying to find ways to solve these difficulties, but sometimes powerless, it is really unable to parse JS script, if

partitioning, Oracle Label S Ecurity, OLAP and Data Mining scoring Engine options Ora-31631:privileges are requiredin this case, we only need to grant exp_full_database or imp_full_database roles Here the parameters are 480300, other trace parameters and tracking data pump components corresponding examples are:--Example of combination (last 4 digits is usually 0300): 40300 to trace Process services 80300 to trace Master Cont Rol process (MCP) 400300 to trace Worker Process (es)--+ 4c0300 to tr

--Examine and analyze blocking information while 1=1 BEGIN EXEC MASTER.DBO.SP_BLOCKER_PSS80-or S P_BLOCKER_PSS08--or for fast mode--exec master.dbo.sp_blocker_pss80 @fast =1--or for latch mode--exec MASTER.DBO.SP_BLOCKER_PSS80 @latch =1 WAITFOR DELAY ' 00:00:15 ' END GO cmd execute command: OSQL-E-sserver-icheckblk.sql-ocheck blk.out-w2000 Reference: http://support.microsoft.com/zh-cn/kb/271509 uncover the veil of hidden data and optimize application performance https://msdn.microsoft.com/ Zh-

for the size of N;Iv. degree: concurrency, can be nice value, 8/16/24/32 ...*/ --Frees data space after data is deletedALTER TABLE my_table enable row movement;ALTER TABLE my_table shrink space cascade;ALTER TABLE my_table disable row movement; OrALTER TABLE table_name move; --After performing this operation, you need to rebuild the index Select T.num_rows, T.temporary, t.last_analyzed, t.* from User_tables twhere t.table_name = Upper (' gspauresult_tkk0107 '); Select T.num_rows, T.distinct_key

error Because the Redis service is self-booting, it will not start again, so loading the configuration file is a failure. There is also no Redis boot small box (below the picture, slowly looking down), note that the Windows version of the Redis installation, the default boot loaded configuration file is redis.windows-service.conf, as shown in:2. Invalid passwordAlthough the password is set in the configuration file (redis.windows.conf), the password

PHP 5.4 has a built-in Web server that is handy for native development because you no longer have to install Web server software like Apache, you can launch PHP's Web server directly from the command line. The startup method is simple, enter the directory where the project is located at the command line, and then use the-s parameter to start the service, you need to specify the host address and port, and all the request information will be displayed in the console window as shown in: Shortcut T