How to run Cassandra on AWS EC2 instances: An InDepth G

Author: Zen and the Art of Computer Programming 1. Introduction Cassandra is a distributed NoSQL database management system designed for scalability and high availability with low latency. It provides robust support for clusters spanning multiple data centers, fault tolerance, automatic replication, and flexible data model design. Cassandra has been used in mission critical applications such […]

SpringBoot connects cassandra

1. docker install cassandra 1. Download cassandra image [root@localhost ~]# docker pull cassandra Using default tag: latest latest: Pulling from library/cassandra 846c0b181fff: Pull complete 9923132fe6ab: Pull complete fcd5cbc3b5e5: Pull complete 4d78778bf6ee: Pull complete 8a46c9313733: Pull complete 200797bd56b8: Pull complete 33d4c6e1eee9: Pull complete ff00f670cf06: Pull complete e22ff0b1ed21: Pull complete Digest: sha256:566489b615eec3d43427f73d986aaa9568ff88f3a83ac6bea2175f5bfcd2469d Status: Downloaded newer image for […]

jaeger+elasticsearch (cassandra) stand-alone deployment and (400) error reporting

Jaeger Quick Experience Official website download address https://www.jaegertracing.io/download/ GitHub download address https://github.com/jaegertracing/jaeger/releases After downloading the compressed binary file, run the all-in-one file after decompression. jaeger-all-in-one uses memory to store data and is designed for fast local testing. example-hotrod is a sample application, run the access, and query data on the Jaeger UI. Jaeger components agent […]

Fully compatible with DynamoDB protocol! GaussDB (for Cassandra) breathes new life into NoSQL

Abstract: DynamoDB is a managed NoSQL database service that supports multiple data models and is widely used in e-commerce, social media, games, IoT and other scenarios. This article is shared from Huawei Cloud Community “Fully Compatible with DynamoDB Protocol!” GaussDB (for Cassandra) breathes new life into NoSQL”, author: GaussDB Database . DynamoDB is a managed […]

Cosmos DB: A review of the Cassandra community’s best practices for data management

Article directory “Cosmos DB: A review of the Cassandra community’s best practices for data management” Appendix: Frequently Asked Questions and Answers 《Cosmos DB: A review of the Cassandra community’s best practices for data management》 introduction 1.1. Background introduction With the advent of the big data era, the pressure on data storage and management is increasing, […]

Build real-time applications with Spring Boot, Cassandra, Pulsar, React, and Hilla

Apache Cassandra and Apache Pulsar are two names that often come up when it comes to managing large amounts of data in distributed systems. Apache Cassandra is a highly scalable NoSQL database that excels at handling high-speed writes and queries across multiple nodes. It is an ideal solution for use cases such as user profile […]

[Solved] The cassandra file is damaged and the service is abnormal.

Problems The commitlog in the cassandra service data directory grows very fast, occupying more than 700 GB of disk. The cassandra service is running abnormally and the service is restarted frequently and automatically View log error ERROR [SSTableBatchOpen:1] 2022-09-26 10:50:28,146 DebuggableThreadPoolExecutor.java:239 – Error in ThreadPoolExecutor java.lang.AssertionError: Stats component is missing for sstable /data/main/data/system/compaction_history-b4dbb7b4dc493fb5b3bfce6e434832ca/md-7721-big Reason for […]

[Solved] Complex queries are so easy, GaussDB (for Cassandra) pushes a new solution for Lucene engine

Summary: Complex queries are so easy! New features of GaussDB (for Cassandra) are coming. This article is shared from HUAWEI CLOUD Community “Come! GaussDB (for Cassandra) New Features Debut”, by GaussDB Database . Today, HUAWEI CLOUD GaussDB (for Cassandra) comes with a Lucene engine new solution! At present, the Internet and big data are developing […]