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Date:      Sat, 04 Feb 2017 18:13:24 +0000
From:      bugzilla-noreply@freebsd.org
To:        freebsd-bugs@FreeBSD.org
Subject:   [Bug 216759] [kern] Memory speed significantly slower under QEMUKVM emulation according to sysbench
Message-ID:  <bug-216759-8-znbuaHFuag@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-216759-8@https.bugs.freebsd.org/bugzilla/>
References:  <bug-216759-8@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D216759

--- Comment #2 from andrew@azar-a.net ---
(In reply to andrew from comment #1)
# dd if=3D/root/test of=3D/dev/md1 bs=3D512
262144+0 records in
262144+0 records out
134217728 bytes transferred in 4.829553 secs (27790924 bytes/sec

# dd if=3D/root/test of=3D/dev/md1 bs=3D1K
131072+0 records in
131072+0 records out
134217728 bytes transferred in 2.478277 secs (54157674 bytes/sec)

Apparently the bug is only visible with anything smaller than 1M

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