Добро пожаловать на форум PHP программистов!
За последние 24 часа нас посетили 5826 программистов и 652 робота. Сейчас ищут 137 программистов ...
Приступая к работе


Вернуться к: chdb

CHDB (constant hash database) is a fast key-value database for constant data, realized by using a memory-mapped file and thus providing the following functionalities:

  • Extremely fast initial load, regardless of the size of the database.

  • Only the pages of the file which are actually used are loaded from the disk.

  • Once a page is loaded it is shared across multiple processes.

  • Loaded pages are cached across multiple requests and even process recycling.

A typical use of CHDB is as a faster alternative to defining many PHP constants.

CHDB is internally implemented as a hash-table using a » perfect hashing function, thus guaranteeing worst case O(1) lookup time.

Вернуться к: chdb

© 2020 «PHP.RU — Сообщество PHP-Программистов»
Главная | Форум | Реклама на сайте | Контакты VIP Сувениры
Разработка компании ODware