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## page was renamed from ConvertParentdelta
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This extension is used to convert normal repositories into parentdelta repos. 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.
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Configure your .hgrc to enable the extension by adding following lines: Configure your `.hgrc` to enable the extension by adding following lines:
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}}}
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[format]
parentdelta = True
}}}
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`hg compress -R from to` `hg --config format.parentdelta=True compress -R from to`
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inserting full revision at a distance of 2 * len(fulltext) mercurial repository compressed to: 11MB to 4.4MB
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At a distance of 4 * len(fulltext) 11MB to 4.2MB Inserting full revision at a distance of `2 * len(fulltext)`, the Mercurial repository compressed from 11MB to 4.4MB.
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At a distance of 6 * len(fulltext): 11MB to 2.0MB At a distance of `4 * len(fulltext)`: 11MB to 4.2MB.
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`danchr` in IRC quotes that 2GB repo compressed to ~380MB At a distance of `6 * len(fulltext)`: 11MB to 2.0MB.

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

ConvertParentdelta

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

CompressExtension (last edited 2012-11-04 02:28:18 by mpm)