Prepare three virtual machines, ip are 192.168.220.10 (master), 192.168.220.11 (slave1), 192.168.220.12 (slave2)
Ready jdk-6u45-linux- x64.bin and hadoop-1.2.1-bin.tar.gz, placed in the /usr/
Author: Simo
CentOS 7.5 dual network card inside and outside network simultaneous access routing settings
Description: The server has two network cards: eth0 and eth1, eth0 is configured with internal IP: 192.168.1.1/24, eth1 is configured with external IP: 10.1.1.1/24; 192.168.0.0/16 is required The s
Springboot project optimization and JVM tuning
https://www.cnblogs.com/jpfss/p/9753215.html
As an engineer, project tuning is something that must be mastered proficiently.
In the SpringBoot project, tuning is mainly carried out through
ZooKeeper distributed lock simple practice
The realization principle of ZooKeeper distributed lock
How to use the Springboot project built-in Tomcat
Question: In the past, when we used the SSM framework, we deployed external tomcat. If you want to access the file, drag it directly to the root directory of the project. . If we need to put an apk
ZooKeeper cluster
One, java environment installation 1. Download jdk Go to jdk to download URL download or download with command in the server
wget –no-check-certificate –no-cookies –header “Cookie: oraclel
CentOS – the same ScyLLLADB version after upgrading
I have followed the documentation https://docs.scylladb.com/upgrade/upgrade-opensource/upgrade-guide-from-2.2-to-2.3/upgrade-guide-from-2.2 -to-2.3-rpm/#upgrade-procedure to operate, my version rem
Nginx + UWSGI + Django under CentOS deployment Web services (Xia Baiyi)
Connect to the server 1) Account
>: ssh [email protected]
2) Password
>: ** ****** Server Command Administrator Privilege 1) All of the following Server commands can be executed under administrator
Spark Streaming + Kafka
1. Summarize some concepts:
Install zookeeper 3.4.6
cp zoo_sample.cfg zoo.cfg
vim zoo.cfg tickTime=2000
initLimit=10
syncLimit=5
dataDir=/opt /software/zookeeper-3.4.6/data
dataLogDir=/
ZooKeeper environment
Zookeeper environment setup download download the latest version from the mirror site
http:/ /mirrors.tuna.tsinghua.edu.cn/apache/zookeeper/
Download all historical versions from the documentation