Monday, June 21, 2021

kafkaserver installation on Red Hat 8.4

 yum install java -y
wget https://ftp.itu.edu.tr/Mirror/Apache/kafka/2.8.0/kafka_2.13-2.8.0.tgz
mv kafka_2.13-2.8.0.tgz /opt/
cd /opt/
tar -zxf kafka_2.13-2.8.0.tgz
ln -s /opt/kafka_2.13-2.8.0 /opt/kafka
useradd kafka
chown -R kafka:kafka /opt/kafka*

Edit: /etc/systemd/system/zookeeper.service
[Unit]
Description=zookeeper
After=syslog.target network.target

[Service]
Type=simple

User=kafka
Group=kafka

ExecStart=/opt/kafka/bin/zookeeper-server-start.sh /opt/kafka/config/zookeeper.properties
ExecStop=/opt/kafka/bin/zookeeper-server-stop.sh

[Install]
WantedBy=multi-user.target

Edit: /etc/systemd/system/kafka.service
[Unit]
Description=Apache Kafka
Requires=zookeeper.service
After=zookeeper.service

[Service]
Type=simple

User=kafka
Group=kafka

ExecStart=/opt/kafka/bin/kafka-server-start.sh /opt/kafka/config/server.properties
ExecStop=/opt/kafka/bin/kafka-server-stop.sh

[Install]
WantedBy=multi-user.target




systemctl start zookeeper
systemctl start kafka

Monday, January 4, 2021

Edge Computing nedir?

Türkçe faydalı bir kaynak olmuş.

https://www.karel.com.tr/blog/edge-computing-nedir-cloud-computing-ve-fog-computingden-farki-nedir

Konu ile alakalı diğer faydalı bir kaynak (English):

Edge computing is a distributed computing paradigm that brings computation and data storage closer to the location where it is needed, to improve response times and save bandwidth.[1]

https://en.wikipedia.org/wiki/Edge_computing

Monday, December 21, 2020