Thank you Daniel for your tests, here my tests using sysbench v0.5 MySQL
Benchmarks r/w (80%/20%) test on 10.000.000 rows 2.000.000 query using
Standard OLTP: values represent the number of transactions per second
and the first number is obtained using 1 thread, the second one using 2
threads, 4, 8, 12, 16, 24, 32, 48 and 64 threads.
CentOS 6 5.6.10-ent:
4163 7653 10905 12511 13556 14832 16270 16733 16925 16895
VM CentOS 6 5.6.10-ent VMWare 5.1:
3201 5543 8299 12823 14331 15658 16842 15946 11529 9457
VM FreeBSD 9.1 5.6.10-ent VMWare 5.1 (*):
2102 3572 5917 8060 7905 7734 7104 7304 7612 7058
VM FreeBSD 9.1 5.6.10-ent VMWare 5.1 (**):
2026 3290 4927 ... (I stopped the tests because it seems similar to the
previous one)
FreeBSD 9.1 5.6.10-ent ZFS+SSD:
2780 4371 6876 8202 8077 7780 7563 7632 7960 8062
FreeBSD 9.1 5.6.10-ent ZFS tweaked+SSD:
2589 4679 6438 7073 7121 7227 7132 7273 7623 7672
Well, CentOS outperforms FreeBSD in every thread concurrency, and not
only in standard oltp tests.
I think I'll use CentOS for mysql servers.
Thank you for all your time spent, support and tests.
d.
(*)
Using:
- sysctl.conf:
- kern.eventtimer.periodic=1;
- kern.timecounter.hardware=ACPI-fast;
- loader.conf:
- kern.hz=100;
(**)
Using:
- sysctl.conf:
- kern.eventtimer.periodic=1;
- kern.timecounter.hardware=ACPI-fast;
- loader.conf:
- kern.hz=100;
- malloc.conf -> 3N
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