search for: 12m6s

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2007 Sep 25
2
ZFS speed degraded in S10U4 ?
...orking with same files which are on same physical cylinders, so it''s not likely a problem with HDD itself. I''m doing as simple as just $time dd if=file.dbf of=/dev/null in few parallel tasks. On Update3 it''s somewhere close to 11m32s and on Update 4 it''s around 12m6s. And it''s both reading from compressed or uncompressed ZFS, numbers a little bit higher with compressed, couple of seconds more, which impressive by itself, but difference is the same, and strangest part is that reading file from compressed ZFS on U3 is faster than reading uncompressed wit...