Solve the Problem of MySQL Slave Synchronization

Solve the Problem of MySQL Slave Synchronization Solution:1. stop the Slave service first: slave stop;2. Check the host status on the master server: Record the value corresponding to File and Position.Mysql> show master status;+ ------------------

MySQL and MariaDB traditional master-slave cluster configuration

MySQL and MariaDB traditional master-slave cluster configuration The most basic cluster mode for MySQL and MariaDB is the master-slave mode, which is also the most widely used cluster mode for many small and medium-sized enterprises. This cluster is

Configure GTID for MySQL and MariaDB master-slave Clusters

Configure GTID for MySQL and MariaDB master-slave Clusters I wrote MySQL and MariaDB traditional master-slave cluster configuration, which is very mature. Since Mysql5.6 and MariaDB10.0, a new master-slave GTID solution has been available. However,

Spring + MyBatis multi-data source Switching

Spring + MyBatis multi-data source Switching In actual company projects, it is very likely that there will be a problem: a Java project, but the project involves two databases, the two databases are still on machines with different IP addresses. In

Comparison of write time consumption between MongoDB3.0.6 wiredtiger and MMAPv1 Engines

Comparison of write time consumption between MongoDB3.0.6 wiredtiger and MMAPv1 EnginesI. Business Requirements: the database of an APP of the company has vertically separated logs from the business, splitting the original RAC into two sets.

DB2 tablespace redirection recovery database practice

DB2 tablespace redirection recovery database practice DB2's backup recovery is a bit pitfall. When the path settings of the source and target systems are different, manual redirection recovery is required. This article is a summary process after my

Data Processing-PostgreSQL process Language Learning

Data Processing-PostgreSQL process Language Learning Some time ago, when the company switched to the new PostgreSQL data mart system, it downloaded the postgresqlAPI PDF file to study the PostgreSQL data mart. I found that using PostgreSQL process

Using filesort caused by order by optimization by MySQL

Using filesort caused by order by optimization by MySQL Using filesort is generally used in the order by statement. Using filesort does not necessarily cause mysql performance problems. However, if the number of queries is very large, sorting in

MySQL multi-master, multi-active Galera cluster deployment and use

MySQL multi-master, multi-active Galera cluster deployment and use Galera is a tool that allows MySQL to synchronize and replicate data. It enables real dual-master and multi-master data. The client connects to different MySQL instances for read and

Install innobackupex in binary mode

Install innobackupex in binary mode Purpose Install innobackupex in binary mode Environment OS: CentOS 6.6 32bit Introduction Official Website: https://www.percona.com/ Https://www.percona.com/downloads/XtraBackup/LATEST/ After opening the webpage,

Listens to Oracle AQ through JMS and triggers the execution of Java programs when the database changes

Listens to Oracle AQ through JMS and triggers the execution of Java programs when the database changesEnvironment Description The tutorial environment is based on Oracle 12C and JDK1.8. Oracle 12C supports multi-tenant features. Compared with the

MySQL full index scanning bug

MySQL full index scanning bug 1 Introduction When checking the slowlog of a Business Database, a slow query is found. The query time is 1.57 s. Check whether the where condition field in the table structure has a correct composite index. If it is

Install Oralce 11gR2 database in CentOS 6.6

Install Oralce 11gR2 database in CentOS 6.6 Environment requirements: Rlwrap-0.42 CentOS release 6.6 (Final) VMware Workstation 11 Linux. x64_11gR2_database_1of2 and linux. x64_11gR2_database_1of2 Download CentOS 6.6 official version Rlwrap:

How to evaluate real concurrent sessions in Oracle

How to evaluate real concurrent sessions in Oracle In Oracle, you can view concurrent sessions in the dba_hist_active_sess_history view. You can use the following script to query the maximum concurrency, current connections, and maximum connections

Oracle 12c auto-incrementing column Identity Columns

Oracle 12c auto-incrementing column Identity Columns In the 12c version of Oracle, Oracle implements auto-increment columns similar to auto_increment in MySQL. Let's take a look at how Oracle is implemented. Oracle Database 12c Enterprise Edition

How to Upgrade Oracle 11g to Orcale 12c

How to Upgrade Oracle 11g to Orcale 12c Hello everyone. Today we will learn how to Upgrade Oracle 11g to Oracle 12c. Let's get started. Here, I am using the CentOS 7 64-bit Linux release. I suppose you have installed Oracle 11g on your

Case study of OOM kill MySQL caused by insufficient swap space

Case study of OOM kill MySQL caused by insufficient swap space Background: A machine has a memory of 256 GB and 2 mysql instances are installed. Each buffer_pool has 106 GB of memory, totaling 212 GB; A database is migrated to the environment

Php-mcrypt cannot be associated when phpMyAdmin is installed in Linux5.8.

Php-mcrypt cannot be associated when phpMyAdmin is installed in Linux5.8. 1. install php-mcrypt in yum # No installation method available Originally, CentOS does not support the mcrypt module by default. Therefore, you must try another solution

MongoDB3.0.x user authorization configuration (standalone environment)

MongoDB3.0.x user authorization configuration (standalone environment) By default, the MongoDB database does not have permission control. It can be accessed by connecting to the opened port and has root-level permissions; the production environment

MySQL installation troubleshooting

MySQL installation troubleshooting Mysql faults: [Root @ MYSQL_M ~] #/Etc/init. d/mysqld restart Starting MySQL... ERROR! Manager of pid-file quit without updating file. [Root @ MYSQL_M ~] # Possible one: The basedir and datadir directories in

Total Pages: 1013 1 .... 87 88 89 90 91 .... 1013 Go to: GO

Alibaba Cloud 10 Year Anniversary

With You, We are Shaping a Digital World, 2009-2019

Learn more >

Apsara Conference 2019

The Rise of Data Intelligence, September 25th - 27th, Hangzhou, China

Learn more >

Alibaba Cloud Free Trial

Learn and experience the power of Alibaba Cloud with a free trial worth $300-1200 USD

Learn more >

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.