Re: FreeBSD 9.1 vs CentOS 6.3

2013-03-23 Thread Mehmet Erol Sanliturk
On Sat, Mar 23, 2013 at 10:59 PM, Davide D'Amico < davide.dam...@contactlab.com> wrote: > Il 22.03.2013 16:56 Евгений Хоркин ha scritto: > >> Hi Davide! >> > > Sorry if I do a reply 'here' but some posts where filtered by antispam. > > To Daniel Bilik: yes, I used the 'complex' OLTP tests, because

Re: FreeBSD 9.1 vs CentOS 6.3

2013-03-23 Thread Davide D'Amico
Il 22.03.2013 16:56 Евгений Хоркин ha scritto: Hi Davide! Sorry if I do a reply 'here' but some posts where filtered by antispam. To Daniel Bilik: yes, I used the 'complex' OLTP tests, because more similar to my production dataset/workload. I'll try the 'simple' dataset, but do you think I

Re: FreeBSD 9.1 vs CentOS 6.3

2013-03-23 Thread Adrian Chadd
Yup, that one. I wonder if that has anything to do here.. Adrian On 23 March 2013 17:20, Adam Vande More wrote: > On Sat, Mar 23, 2013 at 7:08 PM, Adrian Chadd wrote: >> >> Hi, >> >> I recall that there were significant issues with jemalloc on >> computational loads, primarily because of th

Re: FreeBSD 9.1 vs CentOS 6.3

2013-03-23 Thread Adam Vande More
On Sat, Mar 23, 2013 at 7:08 PM, Adrian Chadd wrote: > Hi, > > I recall that there were significant issues with jemalloc on > computational loads, primarily because of the alignment jemalloc ends > up giving to various allocation sizes and the cache-busting behaviour > of that. > > Does anyone re

Re: FreeBSD 9.1 vs CentOS 6.3

2013-03-23 Thread Adrian Chadd
Hi, I recall that there were significant issues with jemalloc on computational loads, primarily because of the alignment jemalloc ends up giving to various allocation sizes and the cache-busting behaviour of that. Does anyone remember the thread in which that happened? Maybe someone posted a patc

Re: FreeBSD 9.1 vs CentOS 6.3

2013-03-23 Thread Daniel Bilik
On Fri, 22 Mar 2013 10:03:27 +0100 Davide D'Amico wrote: > Hi, I'm doing performance tests on a DELL R720, follows dmesg: > ... > I will use this server as a mysql-5.6 dbserver so I have a root > partition using a hw raid1 and a /DATAZFS partition, follows > configuration: > ... Well, it seems

Re: FreeBSD 9.1 vs CentOS 6.3

2013-03-23 Thread Davide D'Amico
Il 23.03.2013 01:34 Paul Pathiakis ha scritto: Hi, There are several things about this that are highly suspect. First, wipe out the hardware RAID. The processor doing RAID computation is, probably, MUCH slower than a core on the CPU. Even if it's RAID-1 (Simple Mirror) this RAID card is perform