Many application layer protocols have a HeartBeat mechanism, usually the client sends to the server every short period of time Send a data packet to inform the server that it is still online and tr
Tag: Heartbeat
PT-HeartBeat Monitor Mysql Synchronization Delay
pt-heartbeat monitors mysql master-slave synchronization delay:
Install percona toolkit (pt-heartbeat is a subcommand of the software):
http://repo .percona.com/release/6/RPMS/x86_64/pe
Manage HeartBeat using CRM
Heartbeat is a highly available cluster system based on Linux open source and widely used. It mainly includes two highly available cluster components, heartbeat service and resource takeover. The r
Test HeartBeat
18.8 Test Heartbeat
How to know whether the HA cluster is working normally, simulation environment test is a good method. Before putting the Heartbeat high-availability cluster in the product
Configure HeartBeat with HB_GUI
In the past few days, I spent a lot of space explaining the configuration of heartbeat v1 and v2. It is also mentioned that the v2 style format is based on CRM (Cluster Resource Management) Program
How to queue a heartbeat to get faster when an enemy is near
IEnumerator heartbeat_function(){ heartbeatsound.play(); delay = vector3.distance(player_position, slender_man_position); //delay = delay / 2 to make it happen twice as much //delay = delay * 2 to
HeartBeat Realizes Nginx High Available
Introduction Heartbeat is a well-known HA project. After 3.0, Heartbeat was split into two independent projects, Heartbeat and Pacemaker. Pacemaker uses Corosync as the message layer in subsequent
HeartBeat theory introduction
Heartbeat theory introduction
1. Heartbeat function
Through heartbeat, resources (IP, program services and other resources ) Quickly transfer from a failed computer to another normally
LAMP, based on HeartBeat V2 CRM
Experimental environment:
Virtual machine ha1: 192.168.61.130
Virtual machine ha2: 192.168.61.132
< span style="font-size:14px;font-family:'宋体';"> Virtual machine nfsserver: 192.1
Graphics interface configuration HeartBeat high available cluster
Modify the ha.cf configuration file and enable the crm function, which means that the resource configuration is handed over to the crm management
[root@node1 ~]# vim /etc/ha.d/ha.cfcrm on