MinervaDB Blog

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ClickHouse

Kafka Education Series: Kafka Internals

Kafka Education Series: Kafka Internals Kafka is a distributed streaming platform that allows you to collect, store, and process large streams of data in real-time. It is designed to handle high throughput, low latency, and […]
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MySQL Performance

MySQL Parsing: What Is a Parse Call?

What is a parse call in MySQL? In MySQL, a parse call refers to the process of analyzing a SQL statement and preparing it for execution. When a client sends a SQL statement to the […]
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PostgreSQL Performance

How PostgreSQL Vacuum works?

How does PostgreSQL Vacuum work? In PostgreSQL, the vacuum process is responsible for reclaiming space from deleted or updated rows in tables. The vacuum process works by scanning the table and removing any rows that [...]
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MySQL Performance

MySQL Index: How to Optimize Indexes

Optimizing Indexes in MySQL Indexes in MySQL are used to improve the performance of SELECT, UPDATE, and DELETE statements by reducing the amount of data that needs to be scanned. Properly optimizing indexes can help [...]
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PostgreSQL DBA

PostgreSQL 15 Parallelized Vacuum: How to Implement It

How to implement Parallelized Vacuum in PostgreSQL 15? In PostgreSQL 15, the parallelized vacuum feature allows you to run multiple vacuum processes in parallel, which can significantly improve the performance of the vacuum operation. Here [...]
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MySQL DBA

Quick Run-Book on MySQL Group Replication

The checklist for operating MySQL Group Replication MySQL Group Replication is a MySQL plugin that enables multiple MySQL servers to operate as a single, highly available, replicated cluster. This run-book on MySQL Group Replication provides [...]