postgres analyze

When your site encounters a problem, may analyze the reasons for this analysis, but the home analysis should be the crawler has no record of your site, if not, that your link but attract crawler; if so, you should look at the returned code, and then analyze the other reasons according to this. To find the cause of things, can more effectively solve the problem. If you want to search Baidu's crawler, then di

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 t

keyword search heat; most people will use, that is, Baidu Index, the greater the user's attention; 2, keyword search trends and search laws (four seasons, working days/Rest days); such as: Click All can see his overall development trend; Click the year to see the key words in different seasons of concern; Click on the monthly, you can analyze to see the user on weekdays and rest days of different concerns, and so on. (Figure 1) Figure 1 A

If your site is down to K or down, you can use the following methods to analyze the reasons. One, website stability. The stability of the website contains two meanings: the stability of the website space and the renewal of the website. The stability of the site space determines whether users and search engines can continue to effectively access the site. General Small and Medium web site, 2-3 days can not visit the space will appear right phenomenon

In fact, many friends and members of the Treasury online put forward a lot of suggestions and opinions, many suggestions are really good, today I also good from a professional web site planners to analyze and evaluate the advantages and disadvantages of the online financial customers. If my friends think I said that there is a reason, there are web site friends can find me to the site to discuss and exchange and learn. The promotion and promotion of a

Hello everyone, I am a stone. In the process of doing Business station optimization, there will always be some difficult problems, such as the common old station optimization, the keyword ranking is always like a roller coaster, very unstable. Today's ranking is the first three pages, tomorrow may fall to 100, the gap between the two may be dozens of, such a situation let us these seo people very egg pain, but it is difficult to find the real reason, in fact, most SEO problems are difficult to f

exports or more than 50 mody? How do we analyze the influence of PR value and export link on the quality of You You chain for this problem? To solve this problem, the author thinks that we should take the PR output value into consideration when we analyze the quality of friend chain. First we need to define what is the PR output value? PR output value is through links to our site PR value, we can use a si

As SEO novice must learn to view and analyze the site log, because from watching these web site log code, you can analyze a site general situation. Common code in the Web site log: The Web log records some of the code returned by netizens after visiting the site, the common is 200, 304, 404, Return code 200 to explain this site access is normal, return code 404 to indicate that there are some wrong links,

Analyze the performance and flaws of the SQL Server Synchronization tool you wrote1. C # Synchronous SQL Server database schema2. C # Synchronizing data in a SQL Server database--Database synchronization tool [synchronizing new data]By testing the synchronization program I wrote, I concluded: 1. The first time the program calls the SqlBulkCopy will take longer than 2. The synchronization program is relatively less time-consuming than the target machin

Online is now very popular SEO orders, and orders of individuals, teams are more and more, resulting in the SEO industry more uneven, the real master a lot but all kinds of halfway decent false monks out of the liar is also quite a lot. But here we do not discuss these issues, lest cause discontent and public outrage. Our aim is to briefly analyze the problem of SEO orders. An SEO list can be connected, not good to connect, the key also depends on SE

After you drag the dump into the WinDbg, enter it in the command input field. Load wow64exts return!SW Enter, will WinDbg dump, switch from 64-bit mode to 32-bit mode, otherwise see the call stack It's not helpful for us to analyze dump. Then you can use the other commands to analyze it. For example: Using the KB command, looking at all the thread's call stacks, finding the wrong thread, ~*KB, is looking at

Tags: des io os ar using for SP on issueAnalyze index space usage and whether indexes need to be rebuiltAnalysis of indexes under other users requires analyze any permissionsLook at the size of the table and the size of the index before analyzing the index, if the index size is as large as the table size or larger than the size of the table, then you can tell that the index may be problematic and you need to parse the indexQuery Object Size:Select own

;colseg_owner NBSP;FORNBSP;A15 [EMAILNBSP;PROTECTED]GT;COLNBSP;OPERATIONNBSP;FORNBSP;A20 [Emailprotected]>col sql_redofora180 [emailprotected]>setlinesize200 [emailprotected] >selectseg_owner,seg_name,operation,sql_redofromv$logmnr_contentswhereseg_ Owner= ' ZX ' andseg_name= ' Log_miner '; Seg_owner seg_name Operation sql_redo---------------------------------- ------------------------------------------------------------------------------------------------ZX Log_ MINER DDL createtablelog_miner

repair by sorting.Searching rows for updateThe qualifying records are being told to find out to prepare for the update. It must be completed before the update is about to modify the related records.SleepingWaiting for the client to send a new request.System LockIs waiting to get an external system lock. If you are not currently running multiple mysqld servers requesting the same table at the same time, you can suppress the external system lock by increasing the--skip-external-locking parameter.

The previous blog post described a number of system call functions, which, combined with accumulated experience, can be used to analyze and solve problems in the actual work.Problem: A Linux server in Hong Kong computer room, the above installed Sqlplus can not be connected to the Shenzhen company Room Oracle Server, the implementation of Sqlplus Xxxx/[email protected] time directly did not respond, after 2 minutes or so, reported:Sql*plus:release 11.

In Oracle databases, we often need to manually analyze tables and indexes, as well as all tables and indexes in a certain mode. Oracle provides two Analysis Methods: The dbms_stats package and the analyze command. These are our practical methods in daily project management for reference. Analyze all objects of a user in 10 Gb, such as user_miki. Sys. dbms_stats.g

Use the JDK's own running monitoring tool jconsole to observe and analyze the operation of the Java programOriginal linkFirst, what is Jconsole?JConsole has been introduced from Java 5. JConsole is a built-in Java Performance Analyzer that can be run from the command line or in the GUI shell. You can easily monitor Java application performance and track code in Java using JConsole (or its more advanced "close relatives" VisualVM).Second, how to start

Recently, we need to analyze the system memory leakage and use jrockit Mission Control to analyze the system memory leakage. This article describes how to use the Memory Leak analysis tool jrockit mission control. I. Preparation tool jrockit Mission Control 1. Download jrockit JDK. The JDK already comes with the jrockit mission control tool. Currently, it seems that jrockit mission control has not been down

Analyze the usage of the oracle index space and whether the index needs to be rebuilt.Analyze the index space usage and whether the index needs to be rebuiltThe analyze any permission is required to analyze indexes of other users.Check the table size and index size before analyzing the index. If the index size is the same as the table size or greater than the tab

they occupy. An SQL statement that has been executed for a long period of time has been found. It has been executed for about 10 hours and no results have been found yet. However, this should not cause the problem of flush tables. After kill the SQL thread, the system slowly restores the normal query status. After the brute force processing is complete, you can view the system logs and start to find the cause. Suddenly, it is the weekend. Yeah, weekend !! What will happen on weekends? There was