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Understanding how row locks are implemented in PostgreSQL

In PostgreSQL, row-level locks are implemented using a combination of lock modes and conflict resolution. When a transaction modifies a row in a table, it acquires a lock on that row to prevent other transactions […]

Installation and configuration of pgBadger

pgBadger is a PostgreSQL log analyzer that can be used to analyze and summarize the PostgreSQL log files to help identify performance issues and troubleshoot problems. Here are the steps to install and configure pgBadger […]

How large Indexes corrupt PostgreSQL Execution Plans?

Large indexes in PostgreSQL can corrupt execution plans by causing the query planner to choose suboptimal plans due to the cost of scanning the large index. When the size of an index exceeds the effective_cache_size […]

How to reduce replication lag with IO concurrency in PostgreSQL 15?

PostgreSQL 15 introduced a new feature called “asynchronous commit”, which can help reduce replication lag by allowing multiple transactions to be committed concurrently. This feature works by allowing the server to continue processing new transactions […]

Troubleshooting PostgreSQL Thread Contention

Thread contention in PostgreSQL occurs when multiple threads are competing for the same resources, such as CPU time, disk I/O, or database locks. This can lead to performance degradation, slower response times, and even database […]

How do we Troubleshoot PostgreSQL Contention in MinervaDB?

In PostgreSQL, the catalog tables are system tables that store metadata information about the database objects such as tables, indexes, functions, and users. The catalog tables can be used to troubleshoot contention issues by providing […]

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 […]

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