[zfs-discuss] LZ4 compression not living up to hype

chris at cptechconsulting.com chris at cptechconsulting.com
Thu Aug 1 05:42:55 EDT 2013


Hello,

So im building a new home nas.  Ubuntu 12.04 w/ZFS.  Setup a new pool.  
Copying files to pool over smb.

LZ4 compression off averages 80MB/sec

LZ4 compression on averages 50MB/sec

I read all this praise about how great LZ4 was but I didn't expect this big 
of performance hit.  Anyone else not seeing LZ4 perform well?  Also, im 
running this on desktop level commodity hardware, maybe that has something 
to do with it?

Feedback appreciated!


Thanks,
Chris


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