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A customer needs to have two business tables with a large data volume and rows. Now we need to record part of these two tables, separate data based on a certain where condition and create an archive table to migrate the table records. The final

MyISAM and InnoDB engine optimization 1. Public options www.2cto.com skip-external-locking // avoid MySQL external locks, reduce the chance of errors and enhance stability. Skip-name-resolve // disables MySQL from performing DNS resolution on

Innodb_adaptive_flushing {ON | OFF} sets whether to allow the MySQL server to dynamically adjust the speed of flushing dirty pages in InnoDBbufferpool based ON the workload. The purpose of dynamically adjusting the write speed is to avoid IO

At present, broadband routers are widely used. Here we will mainly explain the optimization technology of broadband routers and surfing the Internet, so we will inevitably deal with broadband routers, but in our use process, I seldom look at it,

In the past few days, I have learned how to optimize the mysql database and set it on my own server. I have learned how to optimize the MyISAM and InnoDB engines. They have their own advantages and disadvantages, generally, it is better to combine

For details about the linux ftp service configuration-Linux Enterprise Application-Linux server application, see the following. Original: wanghaovip The following is the basic configuration of ftp in linux in a Virtual Machine (redhat AS 4.0 is

CRS started 4405 error Tianjin warehouse a project today DBA shut down RAC, but the startup times Su-# cdu01appgridproduct11.2.0bin #. crsctlstartcluster-ntjccdb1tjccdb2 encountered crs-4. CRS startup 4405 error Tianjin warehouse a project today the

Mount the disk/dev/sdb with autofs to the/data/abc directory. Add a new disk and restart it. [Root @ localhost ~] # To trigger mounting, reboot requires editing two files. Edit the/etc/auto. master file. You can refer to the system's default trigger

The environment is CentOS, 1 GB memory, and Mysql5.5.30.Add the following in/etc/my. cnf:Copy codeThe Code is as follows:Skip-external-lockingSkip-name-resolveMax_connections = 1024Query_cache_size = 16 MSort_buffer_size = 1 MTable_cache = 256Innodb_

Trunk, hybrid, access configuration and application on the vswitchThe link type of the Ethernet port: Access type: the port can only belong to one vlan and is generally used to connect to a computer. Trunk type: the port can belong to an end vlan

** Install the Operating System 1. there is nothing to say about the installation process. Pay attention to the partition. 2. if the system is reinstalled, in order to prevent partition table errors, the C disk is generally not deleted, but the new

2015/07/07////////////by xbw///////////////////Environment Unity 4.6.1//////First onis not very cute, Meng Meng da;Words not much to say, first create a scene,,,Picture sky scene added Sky box,,, say how to add Sky box, I do not like to add Sky box

I think many of my friends have encountered the problem that the mysql server suddenly stops or starts automatically. Let's analyze the cause and solution to the problem; Cause 1: the automatic backup function of Mysql may cause the database to shut

Hibernate supports third-party connection pools. the officially recommended connection pools are C3P0, Proxool, and DBCP. Note the following three points when configuring the connection pool: Hibernate supports third-party connection pools. the

Mongolerman backup script and automatic deletion of duplicate backup files #!/bin/shsource /home/oracle/.bash_profileif [ -z $1 ]then echo "Please Input a number,Usage: 0|1|2" exitelse RMAN_LEVEL=$1fiexport ORACLE_SID=xxxxexport TODAY=`date

Tomcat is a core project in the Jakarta project of the Apache Software Foundation (ApacheSoftwareFoundation). It is developed by Apache, Sun, and other companies and individuals. With Sun's participation and support, the latest Servlet and JSP

Oracle Database Security reinforcement record When an application system performs classified protection, it needs to reinforce the database. According to the process, it must first pass the test in the test environment and then apply it to the

Problem description: The boss told me a problem they encountered two days ago. php started with fastcgi and opened the slowlog. When fsockopen was called to read a connection, when the connection exceeds the slowlog setting time, the fpm process

This article uses the cookie plug-in to obtain the user's browsing history and display the user's recent browsing history on the page. If you are interested, you can refer to it on some e-commerce websites, with the product browsing history function,

MySQL configuration file my. cnf parameter optimization and Chinese explanation MySQL configuration file my. cnf parameter optimization and Chinese explanation, very detailed comment on the role of each parameter and the recommended value in Chinese.