资 源 简 介
This project is intended for building tar file db for fast contents access
inside tarballs without untar the tarballs.
This project is originally designed to provide map tiles, map tile
tarballs holds billions of map tiles. At before,we needed to extract
files into a quad-tree based directory, which brought a big challenge to
either filesystem capability or deploying cost, what was worse, it
doubled disks spaces usage, and did harm to filesystem I/O performance.
The design is based on the concept of reducing the cost of deploying,
so I use only the packages provided along with Linux Release,(currently I"m
using RHEL5.4), only one package is need to be installed in default
installation (package php-dba-5.1.6-23.2.el5_3.x86_64.rpm). The php-dba
package has the capability to manipulate berkeley db4 in simple api, which
is enough for us.
The test result showed the great performance brought by db4, we"ve indexed
terabytes of tarballs, and about 100 millions of ind
