Deploying an etcd Cluster Using Static Configuration
To deploy a highly available etcd cluster using static configuration, each node must be explicitly defined at startup. This method requires specifying all peer endpoints in advance and is suitable for environments with fixed infrastructure.
Key etcd Startup Parameters
--data-dir: Directory for storing node data such as snapshots, WAL files (un ...
Posted on Sat, 04 Jul 2026 16:36:18 +0000 by sn0n
Elasticsearch Foundation: Installation, CRUD, and Clustering
Before launching queries, ensure your server environment permits necessary cross-origin requests and establish a management interface.
CORS Configuration: In the config/elasticsearch.yml file of your installation directory, enable HTTP Cross-Origin Resource Sharing to allow frontend access:
# Enable HTTP CORS support
http.cors.enabled: true
# ...
Posted on Tue, 23 Jun 2026 16:03:17 +0000 by Platinumweaver
Distributed Message Queue Cluster Setup with ZooKeeper and Kafka
Message Queue Fundamentals
Understanding Message Queues
A message represents data transmitted between applications. Messages can range from simple text strings to complex structures containing embedded objects.
A Message Queue (MQ) serves as an asynchronous communication mechanism in software systems. It decouples communication between differen ...
Posted on Wed, 17 Jun 2026 16:15:00 +0000 by nickmagus
Setting Up a Two-Node Hadoop HDFS Cluster
Cluster Planning
This guide covers the setup of a two-node Hadoop cluster for HDFS and YARN. The configuration uses one master node and one resource manager node.
IP Address
Deployed Services
Role
192.168.56.2 (master-node)
NameNode, DataNode, NodeManager, Hive, Presto, MySQL, Hive Metastore, Presto CLI
Master Node
192.168.56.3 (wor ...
Posted on Thu, 14 May 2026 04:41:39 +0000 by Brentley_11