RE: [sap-basis] BW Architecture - Is it best practice to have BW app and databse on the same server or to split them
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 | Posted by Lars-Erik Hallsten (CEO & Senior Consultant) on Mar 26 at 5:46 PM |  Mark as helpful |
Hi,
Well, I wouldn't call it a mickey mouse implementation, but it's pretty far
from being considered as a huge implementation, I think.
It seems like a quite normal implementation in the SMB range.
How many concurrent users are using the ERP/BW system in a normal day? The
amount of reports and how frequent they are used is also an important
factor.
I've not been in the situation myself, but I have heard about a couple of
customers that was running ERP and BW in the same system, which after a
while of bad performance, decided to split the system on separate servers.
It solved all of their performance issues.
Regards,
LEH
From: FJJohann via sap-basis [mailto:sap-basis@Groups.ITtoolbox.com]
Sent: 26. mars 2010 10:10
To: Lars-Erik Hallsten
Subject: RE:[sap-basis] BW Architecture - Is it best practice to have BW app
and databse on the same server or to split them
Posted by FJJohann
on Mar 26 at 5:10 PM
<http://it.toolbox.com/api/ContentVote/3402246/1/1 /> Mark this reply as
helpfulMark as helpful
Seems we agree. The two database servers have separare databses for each
application.
ie
DB1
SIDs: CRQ ? CRM QAS
EPQ ? Enterprise Portal QAS
XIQ ? NW PI QAS
OS: RHEL 5.2 (64bit)
CPU: 2x Quad Core 3.00 GHz Xeon
Memory: 32 GB
DB2
Storage: / 16 GB; Swap 32 GB
SIDs: ECQ ? ECC QAS
BWQ ? BI (BW) QAS
EPQ ? Enterprise Portal QAS
MDQ ? MDM QAS
OS: RHEL 5.2 (64bit)
CPU: 2x Quad Core 3.00 GHz Xeon
Memory: 32 GB
Storage: / 16 GB; Swap 32 GB
The actual data is stored on a netAPP 3170 with plenty spindles. We are
definatly not using a MCOD implementation and yes this a huge implementaion.
The config above is for QAS and we have added 2 more servers for production.
Does the commnet still stand that this is a "micky mouse" implementation.
---------------Original Message---------------
From: Lars-Erik Hallsten
Sent: Friday, March 26, 2010 3:48 PM
Subject: BW Architecture - Is it best practice to have BW app and databse on
the same server or to split them
> Hi,
>
>
>
> I've seen this config many times (where BW is only a separate client in
the
> ERP system) and it's perfectly ok, as long as the SAP system is a small
> installation serving only relatively few users. (Less than 100, in my
> opinion.)
>
> However, it's not a setup I would recommend to my customers in a new
> implementation. I prefer having each system type on separate databases.
CRM
> in one, ERP in one, BW in one and so on. BW performs much better on an
OLAP
> database and ERP performs best on the OLTP database. It could also be
quite
> hard to tune the other performance parameters correctly in a system where
> ERP and BW runs together, as they often need very different parameter
values
> to be optimized.
>
> These issues are not too important in a small system, though.
>
>
>
> Regarding the "best practice" issue, I would agree with your Basis
> consultant, but your setup is 100% supported by SAP.
>
>
>
> Regards,
>
> LEH
__.____._ Well, I wouldn't call it a mickey mouse implementation, but it's pretty far
from being considered as a huge implementation, I think.
It seems like a quite normal implementation in the SMB range.
How many concurrent users are using the ERP/BW system in a normal day? The
amount of reports and how frequent they are used is also an important
factor.
I've not been in the situation myself, but I have heard about a couple of
customers that was running ERP and BW in the same system, which after a
while of bad performance, decided to split the system on separate servers.
It solved all of their performance issues.
Regards,
LEH
From: FJJohann via sap-basis [mailto:sap-basis@Groups.ITtoolbox.com]
Sent: 26. mars 2010 10:10
To: Lars-Erik Hallsten
Subject: RE:[sap-basis] BW Architecture - Is it best practice to have BW app
and databse on the same server or to split them
Posted by FJJohann
on Mar 26 at 5:10 PM
<http://it.toolbox.com/api/ContentVote/3402246/1/1 /> Mark this reply as
helpfulMark as helpful
Seems we agree. The two database servers have separare databses for each
application.
ie
DB1
SIDs: CRQ ? CRM QAS
EPQ ? Enterprise Portal QAS
XIQ ? NW PI QAS
OS: RHEL 5.2 (64bit)
CPU: 2x Quad Core 3.00 GHz Xeon
Memory: 32 GB
DB2
Storage: / 16 GB; Swap 32 GB
SIDs: ECQ ? ECC QAS
BWQ ? BI (BW) QAS
EPQ ? Enterprise Portal QAS
MDQ ? MDM QAS
OS: RHEL 5.2 (64bit)
CPU: 2x Quad Core 3.00 GHz Xeon
Memory: 32 GB
Storage: / 16 GB; Swap 32 GB
The actual data is stored on a netAPP 3170 with plenty spindles. We are
definatly not using a MCOD implementation and yes this a huge implementaion.
The config above is for QAS and we have added 2 more servers for production.
Does the commnet still stand that this is a "micky mouse" implementation.
---------------Original Message---------------
From: Lars-Erik Hallsten
Sent: Friday, March 26, 2010 3:48 PM
Subject: BW Architecture - Is it best practice to have BW app and databse on
the same server or to split them
> Hi,
>
>
>
> I've seen this config many times (where BW is only a separate client in
the
> ERP system) and it's perfectly ok, as long as the SAP system is a small
> installation serving only relatively few users. (Less than 100, in my
> opinion.)
>
> However, it's not a setup I would recommend to my customers in a new
> implementation. I prefer having each system type on separate databases.
CRM
> in one, ERP in one, BW in one and so on. BW performs much better on an
OLAP
> database and ERP performs best on the OLTP database. It could also be
quite
> hard to tune the other performance parameters correctly in a system where
> ERP and BW runs together, as they often need very different parameter
values
> to be optimized.
>
> These issues are not too important in a small system, though.
>
>
>
> Regarding the "best practice" issue, I would agree with your Basis
> consultant, but your setup is 100% supported by SAP.
>
>
>
> Regards,
>
> LEH
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Lars-Erik HallstenSAP Basis Helper
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