[CentOS] compare zfs xfs and jfs o

Mon Aug 13 17:12:20 UTC 2012
Joerg Schilling <Joerg.Schilling at fokus.fraunhofer.de>

Dennis Clarke <dclarke at blastwave.org> wrote:

> > Given the fact, that you did not run star -no-fifo, you compare an 
> > insecure 
> > implementation (gtar never calls fsync(2)) with a secure by default 
> > implementation (star).
> Comparison numbers are only valid of the tests run are the same. 
> So here is the UFS test once more without the compression and
> with -no-fifo : 
> jupiter-sparc-SunOS5.10 # ptime /opt/schily/bin/star -x -xdir -xdot -no-fifo -U file=../linux-3.5.1.tar
> star: 46849 blocks + 0 bytes (total of 479733760 bytes = 468490.00k).
> real    27:44.237
> user        2.031
> sys        42.419
> Not a good result. 

So try to think about the reasons..... star is definitely not the reason.
The fact that you spend 10x the amount of expectes SYS CPU seems to lead to a 
problem on your system.

Also the USER CPU time is 8x the expected amount. Did you run this test in 
_very_ old hardware?


 EMail:joerg at schily.isdn.cs.tu-berlin.de (home) Jörg Schilling D-13353 Berlin
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