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Understanding Shared Buffers Implementation in PostgreSQL

In PostgreSQL, shared buffers serve as the shared memory pool used to cache data pages in memory to improve read performance. Whenever a query needs to access data, it checks if the required pages are […]

Understanding MariaDB Indexing

Indexes in MariaDB are implemented as data structures that allow faster data retrieval from tables. There are several types of indexes available in MariaDB, each with its own characteristics and use cases. Here’s an overview […]

Why the world’s largest Independent Mobile Ad. Network used MinervaDB MyRocks Managed Services for implementing Fraud Management System?

The fraudulent traffic and clicks can result in significant revenue loss for mobile ad networks. Advertisers pay for ad impressions and clicks that are not actually driving real business value, and the mobile ad network […]

Troubleshooting MySQL 8 Redo Log File IO operations

Introduction Redo log file IO operations can significantly impact the performance of a MySQL database. The redo log is used to recover the database after a crash or unexpected shutdown. It records all changes made […]

Troubleshooting MySQL 8 locks and wait events, How they influence MySQL performance?

Locks and wait events can significantly impact MySQL performance as they can cause queries to wait, leading to slower response times and decreased performance. The main cause of lock and wait events is contention for […]

Why do we recommend EXPLICIT LOCKING for PostgreSQL Tables in concurrent Transaction Processing Systems?

In PostgreSQL, if explicit locking is not enforced, duplicate records can be inserted when multiple concurrent transactions try to insert the same record simultaneously. This can occur when two or more transactions are executed concurrently […]

How to handle errors inside a PostgreSQL transaction using savepoint?

In PostgreSQL, errors inside a transaction can also be handled using savepoints. A savepoint is a point within a transaction that can be rolled back, without rolling back the entire transaction. Here is an example […]

How can we combine Bloom Filter Offloading and Storage Indexes on MyRocks?

MyRocks is a storage engine for the MySQL database that uses RocksDB, a high-performance key-value store, as its underlying storage engine. By combining Bloom filter offloading and storage indexes, it is possible to further improve […]

How OR Logic can influence PostgreSQL performance in outer joins?

Using OR logic in outer joins can have a significant impact on PostgreSQL performance, especially when joining large tables. Here are a few factors to consider: To mitigate the impact of OR logic on PostgreSQL […]

Troubleshooting correlated subqueries performance in MySQL

Correlated subqueries in MySQL can be slow because they require the subquery to be executed for each row in the outer query. This means that the subquery is executed repeatedly, and the results are used […]

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