Re: [9fans] Clearing venti arena during install

[Lluís Batlle i Rossell]

[EMAIL PROTECTED] wrote:

If fossil+venti is chosen during installation, the entire
venti arena partition is cleared.  Is there a way to avoid
clearing all of the arena space?  Since in a sense it is an
append only log, and the purpose for clearing it is,
presumably, to allow recreating the index, may be a shortcut
exists?  Doing so will save a lot of time and space
particularly on a qemu VM.  In qemu one can use a sparse file
or a qcow format file which allocates space only for data
actually written.  Writing even zeroes can eat up space.

As I've tested, if you avoid using "qcow" and otherwise use a "raw" qemu image, the venti formatting is normally quick in my Linux system. Using 'qcow' terribly slows down that format process.

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