Thanks Kelvin.

On Tue, 17 Aug 2010 13:14:55 -0400, Wallace, Kelvin 
<[email protected]> wrote:

>Eric,
>
>We installed ARS on a T2000 in 2006 (it is still there) and never had
>any performance issues.  However, we have home-grown apps and rarely
>have as many as 50 concurrent users.  Oracle 10g and Mid-Tier are on the
>same box.  CPU utilization is always low (<5%).
>
>We do have Oracle databases running on T5220s.  We were running in
>production for a couple of months when someone kicked off a job that
>caused an issue with disk utilization (the disks internal to the box).
>Because the write actions require 4 I/Os to the disk, it created waits
>which denied other users access to the Oracle apps.  We opted to move
>the DBs to a arrays with a large amount of cache and the problem
>disappeared.
>
>Before we bought the T5220s, we also looked at the M3000.  At the time,
>the pricing was similar except RAM was expensive for both machines
>(more, I believe, for the M3000).  The T5220s have had a few issues with
>firmware, but we have found a stable version.
>
>HTH,
>Kelvin
>
>-----Original Message-----
>From: Action Request System discussion list(ARSList)
>[mailto:[email protected]] On Behalf Of Eric Zhang
>Sent: Tuesday, August 17, 2010 1:22 PM
>To: [email protected]
>Subject: Re: Sun Server T5120
>
>Interesting. I was told by my capacity planning guy that Oracle 10G is
>one 
>of the apps performing poorly on T-Series, while PeopelSoft app just fly
>
>on T-series box. We don't want to take a chance so we pick M3000.
>
>Eric
>
>On Thu, 12 Aug 2010 21:01:37 +0000, michael campbell
><[email protected]> 
>wrote:
>
>>
>>I guess I should have weighed in earlier.  We run full ITSM for a
>couple 
>different organizations, to include SRM, KMX,  and a full CMDB.  We are 
>doing this on T2000s in one organization, and T5120s in another. Oracle 
>10G and 11G and never had any performance issues. These things smoke.
>In 
>an older implementation, I had 280Rs now 440s, full 5.5 ITSM, still 
>purring. 
>>mike
>> 
>>> Date: Thu, 12 Aug 2010 17:31:33 -0400
>>> From: [email protected]
>>> Subject: Re: Sun Server T5120
>>> To: [email protected]
>>> 
>>> Will do.
>>> 
>>> On Wed, 11 Aug 2010 12:43:17 -0500, Axton <[email protected]>
>wrote:
>>> 
>>> >Interesting. Your development ui will definitely move much faster. I
>
>>> would
>>> >like to hear how things go when in production if you can share that
>>> >information later on.
>>> >
>>> >Axton Grams
>>> >
>>> >The opinions, statements, and/or suggested courses of action
>expressed 
>in
>>> >this E-mail do not necessarily reflect those of BMC Software, Inc.
>My
>>> >voluntary participation in this forum is not intended to convey a
>role 
>as 
>>> a
>>> >spokesperson, liaison or public relations representative for BMC 
>Software,
>>> >Inc.
>>> >
>>> >On Wed, Aug 11, 2010 at 1:36 PM, Eric Zhang <[email protected]>
>wrote:
>>> >
>>> >> Thanks Axton.
>>> >>
>>> >> We decided to go with M3000 after some internal discussion and 
>external
>>> >> consultation. The main reasons are: 1) Internally, we have some
>T5120
>>> >> servers that perform poorly with some applications; 2) I asked BMC
>
>>> support
>>> >> for recommendation. BMC doesn't recommend a particular SPARC
>machine.
>>> >> However from previous experience, they found that the T series is 
>good 
>>> for
>>> >> mid-tier but not for CPU intensive operations in AR Server. The V 
>series
>>> >> or better yet M series is good for CPU intensive operations.
>>> >>
>>> >> Eric
>>> >>
>>> >>
>>> >> On Mon, 9 Aug 2010 21:32:31 -0500, Axton <[email protected]> 
>wrote:
>>> >>
>>> >> >We are using T5120, T5440, and T2000's to host Remedy. It runs 
>Remedy
>>> >> >really well but we are not running the ITSM applications. We are 
>using
>>> >> >Solaris 9 Branded Zones with Solaris 10 on the global host. We
>have 
>>> done
>>> >> >some special things to the boxes. We use libumem instead of libc 
>(slab
>>> >> >memory allocator) and we use quiet a few GNU tools because they
>are 
>>> more
>>> >> up
>>> >> >to date.
>>> >> >
>>> >> >Zones are really nice when you need to clone an environment or
>need
>>> >> >snapshots of an environment.
>>> >> >
>>> >> >There is an issues with some patches on Solaris 9 Branded Zones 
>where
>>> >> >rpcbind stops working with UDP transport for all services (I can 
>get 
>>> the
>>> >> >details if interested) which does not work with Remedy.
>>> >> >
>>> >> >There is also an issue with Java 1.5 in the Branded Zones (1.4
>and 
>1.6 
>>> JRE
>>> >> >run fine), which prevents the X based Remedy installers from 
>running at
>>> >> all,
>>> >> >but a patch or hotfix is available to address that issue. I can
>get 
>>> more
>>> >> >details here if needed.
>>> >> >
>>> >> >The only comments I can add is that the cores/threads are not
>that 
>fast
>>> >> >(1ghz, or a little faster), so the things that depend on one fast
>
>cpu 
>>> do
>>> >> not
>>> >> >perform as well as a say, a single cpu box with a really fast
>cpu. 
>The
>>> >> >boxes handle a large number of concurrent users really well
>though. 
>We
>>> >> are
>>> >> >able to support 2k to 4k (max peak) concurrent users on 2xT5120's
>
>>> without
>>> >> >much of a load.
>>> >> >
>>> >> >Compiling software on these boxes, say compared to a SunFire or a
>M-
>>> >> Series,
>>> >> >is slow though. The concurrency on the cool-threads is great
>though.
>>> >> > That's the trade-off.
>>> >> >
>>> >> >The zone technology still has some maturing to do, as compared to
>
>>> openvz
>>> >> >(Linux) or bsd jails. Sun is making strides in the right
>direction, 
>>> but
>>> >> >they still have some catching up to do.
>>> >> >
>>> >> >With the zones, some of my favorite tools simply don't work
>because 
>the
>>> >> >container technology is not mature. Examples include lsof,
>tcpdump, 
>>> and
>>> >> >some other things. This is because they have not come up with a
>>> >> >good privilege separation model to allow the zones to access
>kernel 
>>> memory
>>> >> >specific to the zone. There are hacks to work around this, but in
>
>the
>>> >> >current model they create gaping holes in the security of the
>>> >> virtualization
>>> >> >because they allow the zones access to the kernel memory for
>every 
>>> other
>>> >> >zone and the global host. This makes troubleshooting in zones 
>>> impossible
>>> >> or
>>> >> >hap-hazard, at best.
>>> >> >
>>> >> >Axton Grams
>>> >> >
>>> >> >The opinions, statements, and/or suggested courses of action 
>expressed 
>>> in
>>> >> >this E-mail do not necessarily reflect those of BMC Software,
>Inc. 
>My
>>> >> >voluntary participation in this forum is not intended to convey a
>
>role 
>>> as
>>> >> a
>>> >> >spokesperson, liaison or public relations representative for BMC 
>>> Software,
>>> >> >Inc.
>>> >> >
>>> >> >On Mon, Aug 9, 2010 at 4:57 PM, Eric Zhang <[email protected]> 
>wrote:
>>> >> >
>>> >> >> We are looking into purchasing a Sun T5120 to host AR System
>7.5 
>and
>>> >> >> Remedy apps (ITSM, CMDB, SRM, and SLM) with about 400
>concurrent 
>>> users.
>>> >> >> The other options is M3000, which is a lot more expensive.
>>> >> >>
>>> >> >> Is anyone using T5120 (or any of Sun's "cool-threads" series of
>
>>> servers)
>>> >> >> to host AR System and ITSM apps? Any feedback is appreciated.
>>> >> >>
>>> >> >> Eric
>>> >> >>
>>> >> >>
>>> >> >>
>>> >> 
>>> 
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