DragonFly users List (threaded) for 2008-07
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Hammer performance
Hi,
Just compared writing a 1 GB large file with Hammer and got:
dragnas# dd if=/dev/zero of=test count=2000000
2000000+0 records in
2000000+0 records out
1024000000 bytes transferred in 26.880290 secs (38094827 bytes/sec)
When I do the same (on the same hard disk) with UFS, I get around twice
the write performance:
dd if=/dev/zero of=test count=2000000
2000000+0 records in
2000000+0 records out
1024000000 bytes transferred in 12.816585 secs (79896477 bytes/sec)
Is there a possibility to tune hammer in any way, for example by giving
it more memory?
Regards,
Michael
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