log query

SphinxInstallation and Application 1. Installation ReferenceHttp://www.coreseek.cn/docs/coreseek_4.1-sphinx_2.0.1-beta.html#supported-system $ Tar xzvf sphinx-2.0.1-beta.tar.gz$ Cd sphinx 1. First install MMSeg: $ Cd mmseg $./Configure -- prefix

Check the latest slow log and check whether slow log is enabled.   Mysql> show variables like '% slow % ';+ --------------------- + ------------------------------------------ + | Variable_name | Value | + --------------------- + ---------------------

MySQL Optimization TechnologyIntroduction The static page technology can cache dynamic data, but sometimes you still need to request the database. Therefore, database optimization is indispensable.Optimization ideas DESIGN: storage engine, field,

ReactNavtive framework tutorial (4 ), Original article: http://www.raywenderlich.com/99473/introducing-react-native-building-apps-javascript Note: All images are placed in the Baidu album space. If you cannot see the images, copy the image URL and

MySQL deadlock analysis, mysql deadlock1. Test Description Environment Description: RHEL 6.4 x86_64 + MySQL 5.5.37. The transaction isolation level is RC. Test Table: mysql> show create table t1\G*************************** 1. row ******************

Analysis of database downtime caused by ORA-04031 Background On February 5, the user's database went down unexpectedly. After restarting the server, the Oracle database went back to normal. The user hoped to troubleshoot the problem and avoid

Brief description of the number of MYSQL backups:Database logical backup \ physical backupPhysical backup is divided into cold backup and Hot Backup A. Directly copy the data file to A safe place for storage.B. Use MYSQLHOSTCOPY for data shardingC.

This example does not support Chinese search currently. Download mysql5.0.27 and above http://dev.mysql.com Download sphinx-0.9.8-win32.zip and mysql-5.0.45-sphinxse-0.9.8-from the official sphinx website

MySQL profiling Performance Analysis Tool Brief description: MySQL Query Profiler is a very convenient Query diagnostic and analysis tool that can be used to obtain the consumption of multiple resources in a Query throughout the execution process,

MySQL query optimization and MySQL Optimization1. Introduction A good web application has excellent access performance. MySQL database is an integral part of web applications and an important part that determines their performance. Therefore, it is

DEBUG (blkif: 27) exception looking up device number for xvda: [Errno 2] No such file or directory: 'resolving the following error when installing xen on the RHEL-5.8: [plain] error post operation failed: xend_post: ERROR from xen daemon :( xend.

Basic python exercises-Simple user card management (not the full version)The first thing to note is that the system is not completely written, and only a few simple functions are implemented. Of course, other functions are similar. The knowledge

  Install Windows Server SP2 and IIS6. When you open the IIS manager, the message "MMC detects an error in this management unit. We recommend that you disable and restart MMC" appears ,. There are two error messages in the system log query.

1.0.1 update description: 1. Only Administrators can modify and add administrator information. 2. Only Administrators can set roles. admin account information cannot be modified or deleted. 3. added an Internet Explorer detection prompt during

I. Index1. Create an index:(1). ALTER TABLEAlter table is used to create a common index, a unique index, or a primary key index.Alter table table_name add index index_name (column_list)Alter table table_name add unique (column_list)Alter table table_

How powerful is it to maintain the most powerful turbomail email server in history? Starting with log management, we will introduce you in detail.Enterprise mail, as standard office, is an important component of enterprise information management.

After 1548-cannot loadfrom mysql. Proc. The table is probably interrupted upted is processed on the master server in the production environment, an alarm is sent, and the Server Load balancer server views the Server Load balancer status during

Remember read contacts need to configure permissions: Read the URI of the contact:/*** Query statements for all contacts* Cotacts2 in contact database* Several data sheets related to the contact person* Contacts* Data* Mimetypes*/Cursor

Problem phenomenon:Pages that use the spring Webflow process need to query data from MySQL, show up in the foreground, and the page will not respond after several queries, and the last of the server's logs is Hibernate's SQL statement.Operating

I am a back-end developer, from a little white, do not know, cross-professional self-taught PHP, the lake person-wild programmer, fortunately also is barely mixed with a mouthful of rice to eat. As we all know, computer professional and