I wrote a small application to start an embedded instance of Cassandra 1.2.
I am trying to run 3 instances of this application in Create a cluster of 3 embedded instances locally. Everyone lo
Month: October 2021
SLA Practice Summary
After SLA theory, we continue to study SLA practice. This article talks about English thinking, ShortBrain, Emotion, and you can use the picture to recognize sound, TPR Waiting for methods to assis
HeartBeat + DRBD + MFS High Available
1. Environment
System CentOS 6.4×64 minimal installation
mfs-master 192.168.3.33
mfs-slave 192.168.3.34
vip 192.168.3.35
mfs-client 192.168.3.37
Second, basic co
Card distribution in SLAM
When matching feature points of adjacent frames in visual slam, there are thousands of feature points at every turn. Mismatching is inevitable, and mismatching will inevitably affect the accuracy o
How to use Dart-Protobuf
I am considering using dart-protobuf instead of JSON in one of my projects. The problem is that the library does not provide any examples of how to use it, and the tests did not really help.
Protocol (Network Data Exchange Rule)
Protocol is a rule, standard or agreement established for data exchange in the network. Used for communication between entities in different systems. In order for two entities to communicate, they
Heartbeat deployment
#heartbeat deployment
HB1: eth0: 10.0.0.3eth1:172.16.1.3VIP:10.0.0.103HB2: eth0: 10.0.0.4eth1:172.16.1.4VIP:10.0.0.104
where eth1 is Directly connected. It is the direct heartbeat line
Kubernetes container cluster deploying ETCD cluster
Install etcd The binary package download address: https://github.com/etcd-io/etcd/releases/tag/v3.2.12
[[emailprotected] ~]# GOOGLE_URL=https://storage.googleapis.com/etcd
[[emailprotected] ~
Kubeadm deployed high available K8S clusters (V1.14.2)
1. Introduction Test environment Kubernetes version 1.14.2 high availability build document, build method is kubeadm
System version: CentOS Linux release 7.6.1810 (Core) Kernel: 4.4.1184-1.el
Network Layer of Computer Network Series (2) Internet Protocol (IP)
1. IP address
The IP address (the default external network) is the unique identification address of the Internet. Its role is to provide a unique network address, in the sense that it connects co