[OmniOS-discuss] multithreaded gzip (or equivalent) and moving some files while preserving file trees

[Bob Friesenhahn]

On Thu, 15 Aug 2013, Valrhona wrote:

> Thanks to OmniTI for making a fantastic product for the community!
> I am doing a bunch of backups, and trying to organize data, and have two questions:
> 
> 1. Is there a better alternative, perhaps in the new package repositories, for gzip-style compression that is multithreaded? I am doing the usualy zfs send to a
> file, which I then backup to tape. Using gzip makes the process like 100x slower than if I just dump the zfs stream to an uncompressed file, and so it's not
> practical from a time standpoint.

Use 'lzop' with default compression settings instead.  It is much more 
CPU efficient than gzip.  The compression ratio is somewhat less than 
gzip but the compression rate is vastly better.

Bob
-- 
Bob Friesenhahn
bfriesen at simple.dallas.tx.us, http://www.simplesystems.org/users/bfriesen/
GraphicsMagick Maintainer,    http://www.GraphicsMagick.org/