Slow Query

This article mainly introduces the MySQL slow query analysis method, some time ago, I have set a record in the MySQL database to query SQL statements slower than 1 second. Think of a few very set method, there are several parameters of the name of life and death memories can not afford, so re-sort it yourself as a note. For troubleshooting bottlenecks to find out the performance, the most easy to find and solve the problem is MySQL slow query and did not have to use the index query. OK, began to find out MySQL implementation is not "cool" SQL statement. ...

In the development of friends especially and MySQL have contact friends will encounter sometimes MySQL query is very slow, of course, I refer to the large amount of data millions level, not dozens of, the following we take a look at the resolution of the query slow way. -Often find developers looking up statements that are not indexed or limit n, which can have a significant impact on the database, such as a large table of tens of millions of records to scan all, or do filesort, and the database and server IO impact. This is the case above the mirrored library. And ...

Intermediary trading http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest cloud host technology lobby to do site SEO, the importance of the chain of the site beyond doubt." 　　It is because the chain of the site's SEO impact is very large, so Baidu Webmaster platform the latest announced by the Green Luo algorithm, will increase the illegal chain to deal with the crackdown. Formerly in the industry most commonly used is the Yahoo outside the chain inquiry tool, can inquire a website specific ...

The intermediary transaction SEO diagnoses Taobao guest Cloud host Technology Hall makes the website the friend basically every day will use stationmaster tool, the inquiry Alexa rank, the PR value, the website includes hundreds of degree snapshot and so on, these website most basic information. Remember when I used to do Web site Alliance work, every day to audit 100 new to join the Alliance website. Because Alexa ranked low can not pass the Alliance audit, Alexa ranked high site, I will focus on follow-up. So the newly registered affiliate website, I will be one of the query Alexa rankings. ALEX ...

Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest Cloud host Technology Hall We all know that the site's inverse link number, determines the site link popularity- -Of course, the quality of the inverse link is just as important--which ultimately affects the site's ranking in search engines. Therefore, in the site optimization process, at any time to grasp what sites, how many sites set up to point to me ...

Absrtact: We all know that SEO is the network to promote the dissemination of an important means, who site some of the search for a large number of keywords in search engines to get a good ranking, the site can get huge traffic. If the conversion rate of the site is guaranteed, it can achieve huge sales we all know that SEO is the network to promote the dissemination of an important means, who site some of the search for a large number of keywords in the search engine to get a good ranking, the site can get huge traffic. If the conversion rate of the site is guaranteed, it can achieve huge sales. We also know that the site outside the chain is the site to get a good ranking of the important factors. When ...

Intermediary trading http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest Cloud host technology lobby How to use Bing search engine to query the same server IP all the sites stationed. I saw this post in the morning around the search engine and found that Bing Bing search engine is a good SEO tool, it is very valuable, so the application of this technology is also shared with the readers of this blog. ...

Intermediary transaction SEO diagnosis Taobao guest Cloud host technology Hall It seems that everything is very impetuous, highly competitive society, everyone in the living or dream of the gyro-like non-stop rotation. A lot of people praise speed means success today, we advocate site optimization to slow the winning, may not feel so harmonious. But the calm observation, the speed brings many short-lived. One of Taiwan's management gurus once said that the biggest difference between Chinese companies and foreign companies is that they are fast, and that's a good thing, but it's also a bad thing. A very common word, ...

Absrtact: Last article talked about our company's Web site snapshot update slow problem, after these days the team's efforts, our website Quanzhou site has been restored Baidu daily snapshots, in the exchange of links to other websites and other sites, I see there are a lot of PR value of the article talked about our company's Web site snapshot update slow problem, After these days the team's efforts, our website Quanzhou site has been restored Baidu daily snapshots, in the exchange of links to other websites, I see that there are many sites with high PR value, snapshot update slow phenomenon is more common, they have asked me if there is a quick ...

Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest cloud host technology Hall first know Alexa, Focus on Alexa webmaster or bloggers need to go to Gesanchaiwu to Alexa official website, analysis ranking Take-off and landing. Before analyzing, it is necessary to understand the Alexa rank query common terminology. Alexa official website data in the form of English, it is not conducive to the poor English we read ...