# memory pool

A memory pool is a memory-management technique that allocates memory in large chunks, divides it into smaller pieces, and reuses them for efficient allocation and deallocation.

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## Mmap effects in databases

DevFeed: [Mmap effects in databases](<https://devfeed.tech/articles/mmap-effects-in-databases-39637.md>)

Original publisher: [Read original article](<https://www.gauravsarma.com/posts/2025-04-22_mmap-effects-in-databases>)

Published: 2025-04-22T00:00:00Z

Content type: article

Language: en

Sources: [Gaurav Sarma's Blog](<https://devfeed.tech/sources/gaurav-sarma-s-blog.md>)

Topics: [Database](<https://devfeed.tech/topics/database.md>), [Operating system](<https://devfeed.tech/topics/operating-system.md>), [data](<https://devfeed.tech/topics/data.md>), [systems](<https://devfeed.tech/topics/systems.md>), [file](<https://devfeed.tech/topics/file.md>), [memory pool](<https://devfeed.tech/topics/memory-pool.md>)

Tags: [database](<https://devfeed.tech/tags/database.md>), [file](<https://devfeed.tech/tags/file.md>), [memory](<https://devfeed.tech/tags/memory.md>), [mmap](<https://devfeed.tech/tags/mmap.md>), [operating-systems](<https://devfeed.tech/tags/operating-systems.md>), [performance](<https://devfeed.tech/tags/performance.md>), [system](<https://devfeed.tech/tags/system.md>)

### AI overview

This article explains how databases use operating-system storage and memory mechanisms, including buffered writes, storage blocks, database pages, and memory mapping, and discusses their effects on performance and data resiliency.

### Source excerpt

. [mmap Effects in Databases](mmap-effects-in-databases-cover...

## Newsletter 66

DevFeed: [Newsletter 66](<https://devfeed.tech/articles/newsletter-66-32932.md>)

Original publisher: [Read original article](<https://reactos.org/blogs/newsletter-66/>)

Published: 2009-10-31T00:00:00Z

Content type: article

Language: en

Sources: [Front Page on ReactOS Website](<https://devfeed.tech/sources/front-page-on-reactos-website.md>)

Topics: [ReactOS](<https://devfeed.tech/topics/reactos.md>), [Library](<https://devfeed.tech/topics/library.md>), [Kernel](<https://devfeed.tech/topics/kernel.md>), [memory pool](<https://devfeed.tech/topics/memory-pool.md>), [Open Source](<https://devfeed.tech/topics/open-source.md>)

Tags: [free](<https://devfeed.tech/tags/free.md>), [kernel](<https://devfeed.tech/tags/kernel.md>), [library](<https://devfeed.tech/tags/library.md>), [memory-pool](<https://devfeed.tech/tags/memory-pool.md>), [open-source](<https://devfeed.tech/tags/open-source.md>), [os](<https://devfeed.tech/tags/os.md>), [react](<https://devfeed.tech/tags/react.md>), [reactos](<https://devfeed.tech/tags/reactos.md>), [win32](<https://devfeed.tech/tags/win32.md>), [winapi](<https://devfeed.tech/tags/winapi.md>)

### AI overview

ReactOS Newsletter 66 covers work on a replacement FAT filesystem driver using the FullFAT library, including its prototype and ongoing implementation. It also describes ARM team improvements to the kernel memory pool and welcomes a new developer.

### Source excerpt

FAT A short while ago the FullFAT library was mentioned on the ReactOS forum and then brought to the attention of the developers by IRC regulars. Written by James Walmsley, it is a platform independent library for accessing FAT12/16/32 partitions and it was suggested that a new IFS driver could be written using it. The current FAT driver was written against an older, less NT compliant kernel and was never extensively tested on Windows to begin with.

## ReactOS Newsletter 58 Covers UniATA Driver Fixes

DevFeed: [ReactOS Newsletter 58 Covers UniATA Driver Fixes](<https://devfeed.tech/articles/newsletter-58-32924.md>)

Original publisher: [Read original article](<https://reactos.org/blogs/newsletter-58/>)

Published: 2009-05-16T00:00:00Z

Content type: news

Language: en

Sources: [Front Page on ReactOS Website](<https://devfeed.tech/sources/front-page-on-reactos-website.md>)

Topics: [ReactOS](<https://devfeed.tech/topics/reactos.md>), [memory pool](<https://devfeed.tech/topics/memory-pool.md>), [Hardware](<https://devfeed.tech/topics/hardware.md>), [bug](<https://devfeed.tech/topics/bug.md>), [implementation](<https://devfeed.tech/topics/implementation.md>), [Kernel](<https://devfeed.tech/topics/kernel.md>), [USB](<https://devfeed.tech/topics/usb.md>), [Oracle-VM-VirtualBox](<https://devfeed.tech/topics/vm-box.md>)

Tags: [cd](<https://devfeed.tech/tags/cd.md>), [controllers](<https://devfeed.tech/tags/controllers.md>), [crashes](<https://devfeed.tech/tags/crashes.md>), [debugger](<https://devfeed.tech/tags/debugger.md>), [driver](<https://devfeed.tech/tags/driver.md>), [free](<https://devfeed.tech/tags/free.md>), [kernel](<https://devfeed.tech/tags/kernel.md>), [memory-pool](<https://devfeed.tech/tags/memory-pool.md>), [open-source](<https://devfeed.tech/tags/open-source.md>), [os](<https://devfeed.tech/tags/os.md>), [react](<https://devfeed.tech/tags/react.md>), [reactos](<https://devfeed.tech/tags/reactos.md>), [usb](<https://devfeed.tech/tags/usb.md>), [virtualbox](<https://devfeed.tech/tags/virtualbox.md>), [win32](<https://devfeed.tech/tags/win32.md>), [winapi](<https://devfeed.tech/tags/winapi.md>)

### AI overview

ReactOS Newsletter 58 reports progress on the UniATA driver, including a timing fix that makes CD-ROM drives detect reliably on real hardware. It also discusses memory-pool debugging, a remaining VirtualBox failure, and a USB crash fix.

### Source excerpt

UniATA The Universal ATA driver has often been pointed out as a way to solve some rather annoying issues in ReactOS, such as the lack of support for SATA and limiting the amount of space ROS sees to about 8GB. Since both issues border on the outright absurd in this day and age, fixing them was of very high priority. A few showstoppers stood in the way however of switching over permanently and Aleksey Bragin has managed to resolve some of them.