ClickHouse Cluster Deployment on CentOS 7
Cluster Configuration Overview
Hostname
IP Address
Installed Components
Service Port
centf8118.sharding1.db
192.168.81.18
clickhouse-server, clickhouse-client
9000
centf8119.sharding2.db
192.168.81.19
clickhouse-server, clickhouse-client
9000
centf8120.sharding3.db
192.168.81.20
clickhouse-server, clickhouse-client
9000
Cluster De ...
Posted on Sun, 02 Aug 2026 16:54:22 +0000 by vimukthi
Redis Comprehensive Reference Guide
NoSQL Overview
NoSQL Use Cases
Traditional relational databases face limitations with modern web-scale applications:
Single-machine MySQL systems struggle with large datasets exceeding storage capacity
Index sizes can surpass available memory resources
Read/write workloads overwhelm single-server capabilities
Caching solutions like Memcached ...
Posted on Sat, 04 Jul 2026 16:45:08 +0000 by firelior
Implementing Message Tracing in RocketMQ
Core Concepts
Message tracing captures the complete lifecycle of a message, including:
Producer send timestamp
Broker storage details
Consumer consumption events
Timing metrics at each stage
Configuration
Broker Setup
# Enable tracing in broker.conf
traceTopicEnable=true
Producer Implementation
public class MessageProducer {
private stat ...
Posted on Sat, 13 Jun 2026 17:29:59 +0000 by sinter4911