Articles by Shiv Iyer

About Shiv Iyer
Open Source Database Systems Engineer with a deep understanding of Optimizer Internals, Performance Engineering, Scalability and Data SRE. Shiv currently is the Founder, Investor, Board Member and CEO of multiple Database Systems Infrastructure Operations companies in the Transaction Processing Computing and ColumnStores ecosystem. He is also a frequent speaker in open source software conferences globally.
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MariaDB Performance

How Direct Path Reads(DPR) work for MariaDB Performance?

Direct Path Reads (DPR) is a performance optimization feature in MariaDB that enables the database to read data directly from disk into memory, bypassing the operating system cache. This can result in significant performance improvements […]
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PostgreSQL Performance

Parallel Hash Joins in PostgreSQL

Parallel Hash Joins in PostgreSQL are a type of join operation that can be executed in parallel, allowing for faster and more efficient execution of database queries. In a hash join, the database first builds […]
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PostgreSQL Performance

Buffer Header Queues in PostgreSQL

In PostgreSQL, buffer headers are data structures that represent a single page of data in the shared buffer cache. Each buffer header has information about the state of the page it represents, such as whether […]
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PostgreSQL Performance

Postgres Indexing: When Does BRIN Win?

BRIN (Block Range INdex) is a type of index in Postgres that is used for large tables with a large number of rows and a high degree of clustering. BRIN is an efficient way to […]
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PostgreSQL Internals

How to use pg_largeobject in PostgreSQL?

The pg_largeobject system table in PostgreSQL is used to store and manage large binary objects (BLOBs) of binary data. To use pg_largeobject, you need to perform the following steps: For example, the following code shows […]
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MinervaDB

InnoDB early lock release

InnoDB early lock release is a feature in MySQL 8 and higher that allows the database to release locks earlier in the transaction processing process. This helps to reduce lock contention and improve overall performance. […]
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MinervaDB

How is page compression implemented in InnoDB?

Page compression is implemented in InnoDB using the “Compressed InnoDB Tables” feature. This feature compresses the data stored in individual pages of the InnoDB tables, reducing their size and thus reducing the amount of disk […]
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MySQL Performance

How partition pruning improved with MySQL 8?

In MySQL 8, partition pruning has been improved to make it more efficient and flexible. Partition pruning is a performance optimization technique that helps to minimize the amount of data that needs to be scanned […]