all the binary log data is written in a log file, it is inconvenient to manage and unreasonable. If the log file is lost, then all the log data information is lost. We should not do this. Then we have a log rolling mechanism. We can define binary logs by ourselves, there are two methods to define log rollback, one is defined by size, for example, we define the size of a log file to 1 GB, the storage will scroll around 1 GB and use the next day. Logs are used to store binary log data. The other
CentOS 7.0 LAMP server (Apache + PHP + MariaDB)
Preparation:
CentOS 7.0 system installation and configuration graphic tutorial
Http://www.osyunwei.com/archives/7829.html
1. configure the firewall and enable port 80 and port 3306
CentOS 7.0 uses firewall as the firewall by default. Here, it is changed to iptables firewall.
1. Disable firewall:
Systemctl stop firewalld. service # stop firewall
Systemctl disable firewalld. service # disable firewall star
Transferred from Linux communeHere's how to confirm the number of links and threads for mariadb (like MySQL) here today. MARIADB and MySQL are different, and it's not clear yet.This is an introduction to reducing the load on the database and improving the efficiency of the database.Connection mariadb# Mysql-uroot-penter Password:welcome to the
Tags: lamp mariadb apache httpdA mariadb Introduction? MySQL is a relational database developed by MySQL AB, which was acquired by Sun in 2008 (1 billion Knives), and 2009 Sun was acquired by Oracle (7.4 billion knives).? MySQL official website https://www.mysql.com latest version 5.7GA/8.0DMR? MySQL5.6 change relatively large, 5.7 performance has been greatly improved?
11.6 MARIADB InstallationPreparatory workBecause the MARIADB binary package image source is in a foreign address, the package is pre-downloaded to the local physical machine, and the package is uploaded to the virtual machine/USR/LOCAL/SRC directory for installation using the Lrzsz tool.Install the Lrzsz tool First:[email protected] src]# Yum install-y lrzszTo upload a local package to a virtual terminal:[E
MARIADB IntroductionMARIADB database management System is a branch of MySQL, mainly by the open source community in the maintenance, the use of GPL licensing MARIADB is fully compatible with MySQL, including the API and command line, so that it can easily become a substitute for MySQL. For the storage engine, use XtraDB (English: XtraDB) instead of the MySQL InnoDB. MAR
Master and Slave server time to synchronize, the database version is best consistent, so as to avoid the function of processing, log read, log parsing and other anomalies.
The following three master-slave replication settings are independent.
Notice the impact of firewalls and selinux.
1, simple master-slave replication implementation
(1) configuration of the primary server
1) Installation Mariadb-server
[root@localhost ~]# yum -y install
Author: Tie
Date: January 1, December 27, 2013
For more information, see install MariaDB using YUM in Centos.
Note: First, you must be able to connect to the Internet. If you cannot directly access it, You can also set a proxy. For details, refer to: setting a yum proxy on an intranet machine.
The permission to use yum must be a root user. If not, you can add sudo before the shell command, that is, switch to the super administrator for operations. You
Because of the urine nature of Oracle. MARIADB should have replaced MySQL. So abandon MySQL.
1, compile NginxDownload Nginx,openssl,pcre separatelyWhen you compile OpenSSL, you will be prompted
warning! If you wish to build 64-bit library and then you have Toinvoke './configure darwin64-x86_64-cc ' *manually*.
If you do not stop compiling, you will get an error. This question should be the Openssl/config script guess to your system is 64 bit, but wil
DigitalOcean-CentOS7-enable MariaDB service, centos7mariadbGossip:
My job has not been smooth recently. I have been in the ACM Team (back in seconds), engaged in php development, O M, and scientific research (visualization). Now I am mainly writing java, most of the things I learned are related to the Web.
When looking for a job, the interviewer looked at a group of Web development projects on my resume and asked me why I chose client development (ma
Because of the urinary nature of oracle bones. MARIADB should be replacing MySQL. So abandon MySQL
1, compile NginxDownload Nginx,openssl,pcre separatelyYou will be prompted when compiling the OpenSSL
warning! If you are wish to build 64-bit library, then your have to
invoke './configure darwin64-x86_64-cc ' *manually*.
If you do not stop compiling there will be an error. This problem should be openssl/config script to guess your system
First, the preparatory workTo undertake the above: Corosync+pacemaker using CRMSH to build a highly available clusterII. MariaDB Server Configuration (NFS-based)NFS Server Preparation1. Prepare the LVM storage space in Nfsserver [[emailprotected]~]#fdisk/dev/sdbdevicecontains Neitheravaliddospartitiontable,norsun,sgiorosf disklabelBuildinganewDOSdisklabelwithdiskidentifier 0x61284c6a. changeswillremaininmemoryonly,untilyoudecideto Writethem. Afterthat
DirectoryOpenstack-mitaka Overview of High AvailabilityOpenstack-mitaka High-availability environment initializationOpenstack-mitaka High-availability Mariadb-galera cluster deploymentOpenstack-mitaka High Availability of memcacheOpenstack-mitaka High Availability pacemaker+corosync+pcs High availability clusterOpenstack-mitaka Highly Available certification services (Keystone)Openstack-mitaka High Availability Computing Service (Nova)Openstack-mitaka
Tags: System reference base next set CTE Character set Isa start1, installation mariadb Installation commands Yum-y Install mariadb Mariadb-server Installation Complete mariadb, first start mariadb Systemctl Start mariadb Set boot
:Http://mirrors.ustc.edu.cn/mariadb/mariadb-10.0.19/source/mariadb-10.0.19.tar.gzbecause with cmake, This line can be installed .Yum Install CMakedownloaded the tar.gz file to the specified directory tar-zxvf XXX.tar.gzGo to the installation directory[Email protected]]$ pwd/app/mysql/mariadb-10.0.19 Create the follo
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