VM Versus Meta Disk Performance
Xen HVM domU 4.0.2_02-4.9.2 testing on CentOS 6.0 via the Phoronix Test Suite.
xen_guest
Processor: 4 x Intel Xeon E5620 @ 2.40GHz (4 Cores), Motherboard: Xen HVM domU, Chipset: Intel 440FX- 82441FX PMC, Memory: 2048MB, Disk: 21GB QEMU HDD, Graphics: Cirrus Logic GD 5446, Network: Realtek RTL-8139/8139C/8139C+
OS: CentOS 6.0, Kernel: 2.6.32-71.el6.x86_64 (x86_64), Compiler: GCC 4.4.4 20100726, File-System: ext4, System Layer: Xen HVM domU 4.0.2_02-4.9.2
Compiler Notes: --build=x86_64-redhat-linux --disable-dssi --disable-libjava-multilib --disable-libunwind-exceptions --enable-__cxa_atexit --enable-bootstrap --enable-checking=release --enable-gnu-unique-object --enable-java-awt=gtk --enable-java-maintainer-mode --enable-languages=c,c++,objc,obj-c++,java,fortran,ada --enable-libgcj-multifile --enable-shared --enable-threads=posix --mandir=/usr/share/man --with-arch_32=i686 --with-cloog --with-ecj-jar=/usr/share/java/eclipse-ecj.jar --with-java-home=/usr/lib/jvm/java-1.5.0-gcj-1.5.0.0/jre --with-ppl --with-tune=generic
System Notes: SELinux: Enabled.
Disk Mount Options Notes: barrier=1,data=ordered,relatime,rw,seclabel
xen_dom0
Processor: Intel Xeon E5620 @ 1.60GHz (16 Cores), Motherboard: Supermicro X8DTU, Chipset: Intel 5520 I/O + ICH10R, Memory: 18432MB, Disk: 500GB Seagate ST9500530NS + 1999GB MR9260-8i, Graphics: Matrox MGA G200eW WPCM450, Network: Intel 82576 Gigabit Connection
OS: openSUSE 11.4 (x86_64), Kernel: 2.6.37.6-0.7-xen (x86_64), Compiler: GCC 4.5, File-System: ext4, Screen Resolution: 1280x1024
Compiler Notes: --build=x86_64-suse-linux --disable-libgcj --disable-libmudflap --disable-libssp --disable-libstdcxx-pch --disable-plugin --enable-__cxa_atexit --enable-checking=release --enable-gold --enable-languages=c,c++,objc,fortran,obj-c++,java,ada --enable-libstdcxx-allocator=new --enable-linux-futex --enable-ssp --enable-version-specific-runtime-libs --mandir=/usr/share/man --with-arch-32=i586 --with-plugin-ld=/usr/bin/gold --with-slibdir=/lib64 --with-tune=generic --without-system-libunwind
Disk Notes: CFQ / acl,barrier=1,data=ordered,relatime,rw,user_xattr
System Notes: Disk Scheduler: CFQ.
FS-Mark
xen_guest
Processor: 4 x Intel Xeon E5620 @ 2.40GHz (4 Cores), Motherboard: Xen HVM domU, Chipset: Intel 440FX- 82441FX PMC, Memory: 2048MB, Disk: 21GB QEMU HDD, Graphics: Cirrus Logic GD 5446, Network: Realtek RTL-8139/8139C/8139C+
OS: CentOS 6.0, Kernel: 2.6.32-71.el6.x86_64 (x86_64), Compiler: GCC 4.4.4 20100726, File-System: ext4, System Layer: Xen HVM domU 4.0.2_02-4.9.2
Compiler Notes: --build=x86_64-redhat-linux --disable-dssi --disable-libjava-multilib --disable-libunwind-exceptions --enable-__cxa_atexit --enable-bootstrap --enable-checking=release --enable-gnu-unique-object --enable-java-awt=gtk --enable-java-maintainer-mode --enable-languages=c,c++,objc,obj-c++,java,fortran,ada --enable-libgcj-multifile --enable-shared --enable-threads=posix --mandir=/usr/share/man --with-arch_32=i686 --with-cloog --with-ecj-jar=/usr/share/java/eclipse-ecj.jar --with-java-home=/usr/lib/jvm/java-1.5.0-gcj-1.5.0.0/jre --with-ppl --with-tune=generic
System Notes: SELinux: Enabled.
Disk Mount Options Notes: barrier=1,data=ordered,relatime,rw,seclabel
Testing initiated at 18 July 2012 12:01 by user .
xen_dom0
Processor: Intel Xeon E5620 @ 1.60GHz (16 Cores), Motherboard: Supermicro X8DTU, Chipset: Intel 5520 I/O + ICH10R, Memory: 18432MB, Disk: 500GB Seagate ST9500530NS + 1999GB MR9260-8i, Graphics: Matrox MGA G200eW WPCM450, Network: Intel 82576 Gigabit Connection
OS: openSUSE 11.4 (x86_64), Kernel: 2.6.37.6-0.7-xen (x86_64), Compiler: GCC 4.5, File-System: ext4, Screen Resolution: 1280x1024
Compiler Notes: --build=x86_64-suse-linux --disable-libgcj --disable-libmudflap --disable-libssp --disable-libstdcxx-pch --disable-plugin --enable-__cxa_atexit --enable-checking=release --enable-gold --enable-languages=c,c++,objc,fortran,obj-c++,java,ada --enable-libstdcxx-allocator=new --enable-linux-futex --enable-ssp --enable-version-specific-runtime-libs --mandir=/usr/share/man --with-arch-32=i586 --with-plugin-ld=/usr/bin/gold --with-slibdir=/lib64 --with-tune=generic --without-system-libunwind
Disk Notes: CFQ / acl,barrier=1,data=ordered,relatime,rw,user_xattr
System Notes: Disk Scheduler: CFQ.
Testing initiated at 19 July 2012 13:03 by user .