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What is LevelDB?

LevelDB, a high-performance key-value storage library created by Google, is engineered to maintain an ordered association between string keys and string values. It treats both keys and values as arbitrary byte arrays, with the data organized in a sorted manner according to the keys. Users can implement a custom comparison function to alter the default sorting dynamics if desired. The library supports batching of multiple changes into a single atomic operation, which helps preserve data integrity during updates. Moreover, it enables the creation of temporary snapshots, allowing users to capture a consistent view of the data at any point in time. Users can also iterate through the stored data in both forward and backward directions, which enhances the flexibility of data access. To improve storage efficiency, data is automatically compressed using the Snappy compression algorithm. Furthermore, the library interacts with the operating system through a virtual interface, giving users the option to customize interactions with external environments, including file system operations. In practical usage, for instance, a database may contain one million entries, each entry comprising a 16-byte key paired with a 100-byte value. Interestingly, during benchmarking, the values compress to about half their original size, resulting in considerable space savings. We provide thorough performance metrics for sequential reads in both directions and evaluate the effectiveness of random lookups to highlight the library's capabilities. This extensive performance evaluation assists developers in identifying ways to optimize their utilization of LevelDB in diverse applications, ensuring they can maximize the benefits offered by this powerful library. Additionally, understanding these metrics can lead to improved design choices in database implementation and usage.

What is Kyoto Tycoon?

Kyoto Tycoon is a highly efficient network server built on the Kyoto Cabinet key-value database, optimized for both performance and concurrency. It boasts a robust protocol that leverages HTTP, alongside a compact binary protocol that significantly improves speed. A variety of client libraries are provided for different programming languages, including a dedicated library for Python that is actively maintained. Moreover, it can be configured to work alongside the memcached protocol, although certain data update commands may be restricted. This functionality is particularly advantageous for users aiming to swap out memcached in environments that demand larger memory capacity and persistent data storage. Additionally, users can access improved versions of the latest upstream releases, specifically designed for production use, which include various bug fixes, new minor features, and packaging enhancements compatible with multiple Linux distributions. These updates not only enhance reliability but also contribute to a more streamlined user experience, making it an excellent choice for developers seeking to optimize their applications.

Media

Media

Integrations Supported

Google Cloud Platform
LedisDB
OrbitDB
XBTS
insight

Integrations Supported

Google Cloud Platform
LedisDB
OrbitDB
XBTS
insight

API Availability

Has API

API Availability

Has API

Pricing Information

Pricing not provided.
Free Trial Offered?
Free Version

Pricing Information

Pricing not provided.
Free Trial Offered?
Free Version

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Company Facts

Organization Name

Google

Date Founded

2011

Company Location

United States

Company Website

github.com/google/leveldb

Company Facts

Organization Name

Altice Labs

Company Website

github.com/AlticeLabsProjects/kyoto

Categories and Features

Categories and Features

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