Diff for "CompressExtension"

CompressExtension

This extension is not distributed with Mercurial.

Author:Pradeepkumar Gayam

Download site:http://selenic.com/hg/file/tip/contrib/compress.py

Overview

This extension is used to convert normal repositories into parentdelta repos. It reads revision of each file and rewrites the in new repository. It can be used to observe the affect of changes made in revision() and addrevision() functions in revlog. This was written aiming to convert a repository to parent delta repo. Some optimization can be done to cost less CPU.

Configuration

Configure your .hgrc to enable the extension by adding following lines:

[extensions]
compress = /path/to/file

Usage

hg --config format.parentdelta=True compress -R from to

Stats

Inserting full revision at a distance of 2 * len(fulltext), the Mercurial repository compressed from 11MB to 4.4MB.

At a distance of 4 * len(fulltext): 11MB to 4.2MB.

At a distance of 6 * len(fulltext): 11MB to 2.0MB.

danchr in IRC quotes that 2GB repo compressed to ~380MB.

CategoryExtension CategoryExtensionsByOthers CategoryExtension