mongodb high availability

The HA cluster model is as follows: the external vip address is 192.168.2.1, the active web host name node1 and the backup web host name node2. when the master web is dead, the web page in the backup status changes to the master status immediately. To achieve high availability. (Ignore storage) Node1 Configuration 1. Configure host name and IP address 2. Edit the hosts file so that the master and slave

Small Q: have been trying hard, and occasionally stop to rest, but also cheer up the spirit, continue to work hard,Try my best to realize my desire, dare not hope.We used heartbeat to configure a high-availability cluster, and we configured the load-balancing cluster with LVS, and now we can combine the functions of the two, with the introduction of the high-

?? We talked about our business, often talked about a word, three-tier architecture, which is the separation of our UI layer, the data access layer and the data storage layer, Typically, our high availability of business must meet the full high availability of these three tiers in order to achieve the highest level of

Deploying heartbeat high-availability requirements 1 operating systemsCENTOS-6.8-X86_64 2 Heartbeat Service Host resource preparationPrimary Server A:Host Name: heartbeat-1-130Eth0 Network card Address: 192.168.1.130 (Management IP)ETH1 Network card address: 10.0.10.4 (Heartbeat IP)From Server B:Host Name: heartbeat-1-129Eth0 Network card Address: 192.168.1.129 (Management IP)ETH1 Network card address: 10.0

Tags: date pid exec config copyright master main file ACL 0.00MySQL high-availability cluster skill target Familiar with MMM high-availability architecture Familiarity with MHA high-availability architectures Lear

Tags: heartbeat8.Heartbeat High-availability case for Web Services 8.1 deployment ReadinessFamiliarize yourself with the use of the Heatbeat software using the Web services high Availability case, with the two server machine names above heartbeat-1-130 and heartbeat-1-129 respectively8.2 Installing the Configuration HT

Tags: ha high availability keepalived read/write separation MHAExplore MySQL's high-availability architecture MHA (7)-----build MySQL High-availability series (total 9 articles)The previous article introduced the KeepAlive read-wr

First, elaborated the Linux HA cluster use background;1.1 High-availability cluster definitions:Highly available cluster full name: High Availability Cluster, simply put, the cluster is a set of highly scalable, high-availability,

database slaves, and the read operations occur on the slaves, and the frame composition is as follows: If the above figure in Slavec is not available, read and write will not be interrupted, such as Slavec recovery will automatically synchronize the lost data, and can be back into operation, maintainability is very good. But if Master has a problem, it solves only the high availability of re

Comparison of MySQL High Availability Technologies (1) The pictures and materials are from the MYSQL technical insider of Master Jiang chengyao of MYSQL ). Database Reliability refers to data reliability; Database Availability refers to database service availability. Reliable data is like the Industrial and Commercial

First, the concept of pacemaker(1) Pacemaker (pacemaker), is a highly available cluster resource manager. It achieves maximum availability of resource management for node and resource level fault detection and recovery by using the message and member capabilities provided by the preferred cluster infrastructure (Corosync or heartbeat). It monitors and recovers node and service-level failures, enabling process-level

Internet companies. Introduction: High Availability MySQL: building a robust data center is a Chinese translation of MySQL High Availability. It mainly explains how to use MySQL replication, cluster, and monitoring features in a real environment, reveals all aspects of MySQL reliability and

Tags: WordPress MySQL KubernetesWordPress is the main platform for editing and publishing Web content. In this tutorial, I'll step through how to use kubernetes to build a high availability (HA) WordPress deployment.WordPress consists of two main components: a wordpress PHP server and a database for storing user information, posts, and website data. We need to make these two components in the entire applica

application on 3 (that is, 3 generates Binlog), for 3 (at this time as a MySQL server 2 Slave) data that is replicated in 2 (as the master of MySQL server 3) cannot be copied to server 4.Iii.Circular Copy Local generation of data repeat write problemIs the above three unresolved problems, Jeremy in "High performance MySQL" in the entire chapter content almost into imagination.I believe that today's MySQL 5The design must have absorbed the idea of Jer

Environment Introduction Operating System: CentOS6.5 _ x64 miniLoad Balancing mode: DR (direct routing)Brief description of LVS and Keepalived:LVS is short for Linux Virtual Server, which is a Virtual Server cluster system. The cluster technology and Linux operating system are used to implement a high-performance and high-availability server with good scalabilit

Tags: replicat ase process YSTEMD SCP program Col technology share load BalancingMariadb-mmm High-availability clusters1.MYSQL-MMM Overview MMM (Master-master Replication Manager for MySQL) is a set of scripting programs that support dual-master failover and dual-master daily management. MMM is developed using the Perl language, which is mainly used to monitor and manage MySQL Master-master (dual master) re

them, otherwise all States, messages, and so on will be lost. Ideas:Then how to achieve rabbitmq high availability, we first set up a common cluster mode, in this mode based on the configuration of mirroring mode to achieve high availability, rabbit cluster before adding a reverse proxy, producers, consumers through t