Maximum number of members in a dimension (BSO)
we are designing a new planning application and the requirement for one of the dimensions may force us to have a large number of members. I needed a ballpark figrue on what the maximum number of members should be in planning for it to work in an acceptable manner (aggregate times, run time calculations etc) ... the number we are looking at is over 30,000 members and another 15,000 shared members 10-11 levels deep. If any one has experience with such large dimension, can you shed some light on how long the aggregation times would take and if we use it in form, how best to agg the RTPs for that dimension? thank you in advance.
Check out below posts:
For facts:
Members in Essbase
Maximum members in a Dimension
For limits:
Maximum members for a Dimension in a BSO cube
Cheers..!!
Similar Messages
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Maximum number of members in a dimension in ASO 11.1.2.1
Hi all,
Is there any limitations on number of members in a dimension in ASO 11.1.2.1?
Also can we predict the maximum number from the 64 bit theory as described in the DBAG?
I guess the maximum must be more than 20 million which I believe was the limit in Essbase 7.
We are working on an application for customer analysis where number of customer will be much more than 20 million.
Can anyone tell me what is the maximum number of members they have seen in one ASO dimension?
Thanks.Hi Rav,
Is it somewhere documented about the limitation of 20M members? What I see in the dbag page 34 of chapter 62 is "64-bit Dimension Size Limit for Aggregate Storage Database Outline" where it says maximun bits for a leaf member can be 64 and bits are determined by log2(no of members). From this calculation, number of members can be lot higher. Please let me know if this 20M member limitation is documented somewhere.
Many thanks. -
Maximum number of members in a dimension
Hi,
Is there a limitation of number of members in a dimension in Oracle Olap?
Thanks,
KrishnaI think you got answer for this, which I'll post here for the benefit of other viewers:
"There is no hard limit on the number of members of dimension in Oracle OLAP. You may run into some practical limits based on your HW and cube design, but that won’t be until you’re dealing with dimensions in the multimillion member range."
Say you have a dimensions of 2 million values and another 3 dimensions with 1000 values each. Potential size of the cube if full of data is 2,000,000 * 1000*1000*1000 which make it big. Say you have a couple more dimensions 10,000 and 10,000 ..even bigger.
Compressing the cube to make sure its as small as possible, where patterns of null cells are not stored is good practice most of the time, especially great when there are lots of null values when there's large dimensions. Partitioning and general good modelling are also key. See the OLAP User's Guide for more information. -
Maximum no of members in Essbase Dimension can support
Dear All,
I am using Essbase 11.1.2.2 (64-bit)
Number of dimensions used in my BSO Essbase cube is 9 (4-dense and 5 sparse).
I am having a Customer dimension (sparse) upto 7 levels.
The number of members in customer dimension is 98000.
After loading data in essbase BSO cube, while performing Ad hoc Analysis it throws the following error in Smartview,
"Request timed out contact your administrator to increase netretrycount and netretryinterval"
After making changes to below variables in registry and essbase.cfg files
NETDELAY 500
NETRETRYCOUNT 400
Registry settings
[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings]\
ReceiveTimeout=480000
KeepAliveTimeout=180000
ServerInfoTimeout=180000
and also with
ReceiveTimeout=900000
KeepAliveTimeout=300000
ServerInfoTimeout=300000
I am getting the following error
"Concurrent requests on the same session are not allowed. Wait till the previous request completes processing"
After i reduced the no of members considerably in Customer dimension, the issue got resolved.
My question is "Do we have any limitations in maximum no of members in a single dimension"
What is the maximum no of members a Essbase dimension can support ?
Regards,
TharikTo answer your specific question, the limits are listed here: http://docs.oracle.com/cd/E26232_01/doc.11122/esb_dbag/limits.html. According to that, BSO will handle 1,000,000 members.
My question would be what exactly you are doing when the error occurs. Does it happen when you attempt a drill to level zero for example? Or as soon as you retrieve an ad hoc sheet? -
Maximum number of members in ASO outline
Hi All,
We are using Essbase 11.1.2.1. We have ASO cube with 11 dimensions, 1 dimension is expected to have more than 30 million members. Is that allowed ? What is the maximum limit for members in ASO cube ?
Also how to improve performance for such cube ?
Kindly advice.I believe the answer is no. The maximum number of members is 20 million: http://docs.oracle.com/cd/E17236_01/epm.1112/esb_dbag/frameset.htm?limits.html#limits_8
Cheers,
Mehmet -
Maximum number of members in 6.5 outline
<p>Hi,</p><p> </p><p>Could anybody tell me, what is the limitation ofnumber of members in Essbase 6.5 outline?</p><p> </p><p>Thanks.</p>
The limit is 1,000,000 (1 million) explicitly defined members per block storage outline in version 6.5-7.1
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Maximum members for a Dimension in a BSO cube
Hi,
What is the maximum number of members a dimension can have in BSO cubes ? I might have over 50,000 for a particular Dimension. Is it advisable ?
Since I have complex calculations involved , i cannot go with ASO cube.
Please advice.
ThanksThe limits are in the Database Administrator's Guide. See the section on 'Block Storage Database Limits':
http://download.oracle.com/docs/cd/E17236_01/epm.1112/esb_dbag/frameset.htm?limits.html
In reality you will probably hit performance problems before you hit the limits. -
Limitted number of members for Entity
Hi all,
I am creating my application, but my client has more than 11.000 members for the Entity dimension. Is there any limitation in the amount of members that I can create for Entity? Do you think It will affect in the efficency of my apllication?
Thank you.
EduHi,
There is no virtual limit in terms of number of members in a dimension. But having this many entities creates practical difficulties I think. Managing the workflow could be extremely difficult. Aggregation times might be horrendously long if parent levels are stored. If you have parent levels dynamic, report retrieval gets affected.
You can however get over the difficulties by optimising dimensions and keeping the block size very low (about 10 kb). It'd be wise to keep number of dimensions also limited. Additionally infrastructure to support such big application must be carefully designed. In short, yes, it is possible to have this many entities but extra care is required.
Cheers,
Alp -
Maximum number of Attribute dimensions Possible in BSO Cube
hi,
i have two simple queries :
1 - What are the maximum number of Attribute dimensions Possible in a BSO Cube.
2- How many attribute dimension can be associated with one base Dimension.
hope to get reply soon.
thanks in advance.
Regards
AnubhavNo Limits are defined as such:
How many Maximum number of Dimensions can create ?
Even in the Dbag, it says "many":
A base dimension member can have many attributes, but only one attribute from each attribute dimension.Cheers..
Rahul S. -
Maximum number of dimensions & databases allowed & recommended in Essbase?
Hi,
can anyone one give input on what are Oracle recommendations on maximum number dimensions & databases allowed & recommended in Essbase?Hi John,
Thanks for your post, I also have the same query related to Dimensions and Databases of (ASO,BSO) application, as i donot found anything like this in
http://docs.oracle.com/cd/E17236_01/epm.1112/esb_dbag/limits.htmlwhat is the maximum number of dimension & databases we can use in essbase application. like we have limitation of dimensions and database in Planning application
Thanks,
Avneet -
Maximum number of User defined dimensions in Planning v11.1.2
Hi guys,
I am new to Hyperion Planning version 11.1.2, just wanted to clarify what is the maximum number of User defined dimensions that can be added in a planning application.
I've also learnt that the number of Alias tables is more than the previous versions. What is the maximum number of Alias tables in Planning version 11.1.2 ?
Regards.Maximum number of alias tables is 10 including the default alias table
As for custom dimensions then I wouldn't expect you to hit a maximum unless you want to design a planning application destined to fail.
Cheers
John
http://john-goodwin.blogspot.com/ -
Is there any limitations to the maximum number of dimensions in MP?
hi all
Is there any limitations to the maximum number of dimensions can be created in Multi provider. If so how what is the maximum number of dimensions that can be created in a multi provider?
regds
harithaHi,
Maximum number of dimensions 16. Out of 16, 3 are system defined
1.Datapacket
2.Time
3.Unit
It is restricted to 16 because the maximum no of dimensions in any database is 16.
Reward points if helpful
Cheers
Raj -
Maximum number of dimensions for an array
What is the maximum number of dimensions an array can accept:
a. 266
b. 255
c. 256
d. 250
which option is correct and why?sabre150 wrote:
I don't know and I most definitely don't care since anything more than 2 is, in my opinion, just silly.It's also quite untractable from a memory standpoint. Say you have an 10 by 10 by 10 array. That's 10^3 elements. Now say you have 250 dimensions, that's 10^250 elements which is a huge number in the order of the number of atoms in the universe or so.
Say you instead have just 1 element in each dimension. Then you got a total of 1^250 elements, which is 1 element. That's okay but you don't need the array because 1 element is a variable. This means an array has at least 2 elements in each dimension. That's 2^250 elements which is like 10^75 which is also a huge number. You wouldn't get that kind of memory even if you added up all computers that ever existed.
So array dimensions in the order of 250 aren't just silly, there isn't enougth memory for them. -
Max. possible no of members in sparse dimension.
Hi,
Just wanted to know the maximum no of members in a sparse dimension (BSO cube) that is recommended by Oracle.
Regards,
LijoyHi,
Have a look at the limits section at :- http://download.oracle.com/docs/cd/E10530_01/doc/epm.931/html_esb_dbag/limits.htm for the official Oracle suggestions.
Cheers
John
http://john-goodwin.blogspot.com/ -
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