ElasticSearch - 헤이든의 전산실 (Hayden's Server Room)

OpenSearch Version End-of-Life (EOL/EOS) Schedule

2025년 09월 25일 HaydenLeave a Comment

If you’re running OpenSearch, understanding the end-of-life schedule for each version is crucial for maintaining security and compliance. 2025 is […]

How to Fix Elasticsearch ‘master_not_discovered_exception’ Error

2025년 07월 30일2025년 08월 11일 HaydenLeave a Comment

If you’ve been working with Elasticsearch for any length of time, you’ve probably encountered the dreaded master_not_discovered_exception error. This error […]

How to Fix Elasticsearch ‘NoNodeAvailableException’ Error

2025년 07월 30일2025년 08월 11일 HaydenLeave a Comment

The NoNodeAvailableException is one of the most frustrating errors developers encounter when working with Elasticsearch. This error occurs when your […]

Elasticsearch ‘CircuitBreakerException’ Error: Causes and Solutions

2025년 07월 30일2025년 08월 11일 HaydenLeave a Comment

Ever had your Elasticsearch cluster suddenly throw a CircuitBreakerException and leave you scrambling to figure out what went wrong? This […]

Recent Posts

‘Apache Kafka’ Version Support Lifecycle : EOL/EOS Policies
If you’re running Apache Kafka in production, you’ve probably wondered: “How long will my current version be supported?” With Kafka 4.0’s recent release removing… Read more: ‘Apache Kafka’ Version Support Lifecycle : EOL/EOS Policies
What is ‘Apache Kafka’? Easy Understanding and Getting Started
“Our service crashed when traffic suddenly spiked…” “An order came in but it wasn’t reflected in the inventory system…” “There are too many logs… Read more: What is ‘Apache Kafka’? Easy Understanding and Getting Started
‘Pony’ Version Support Lifecycle : Platform-Based, Instead of LTS/EOL/EOS
If you’ve worked with concurrent programming, you know the headaches that come with data races and deadlocks. Pony was created to address these exact… Read more: ‘Pony’ Version Support Lifecycle : Platform-Based, Instead of LTS/EOL/EOS
‘Pony’ Language – Safe, Fast, and Concurrent
Have you spent nights debugging data races and deadlocks in multi-threaded environments? Most concurrent programmers have. But what if a language could catch these… Read more: ‘Pony’ Language – Safe, Fast, and Concurrent
‘R’ Language Version Support Lifecycle(EOL/EOS)
If you work with data analysis, you’ve probably wondered at some point: “Which R version should I use?” This question becomes especially relevant when… Read more: ‘R’ Language Version Support Lifecycle(EOL/EOS)

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