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php-pecl-chdb - A fast database for constant data
- Website:
- http://pecl.php.net/package/chdb
- Licence:
- PHP
- Vendor:
- Remi Collet
- Description:
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.
Packages
These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.