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Posted to server-user@james.apache.org by Kaustubh Agashe <ka...@TechMahindra.com> on 2007/08/07 07:10:59 UTC
Number of users on JAMES server
Hi,
Is there any limitations on the number of users that can be created on
JAMES server?
I'm using JAMES 2.3.0 for an application that requires to support tens
of thousands of users. (ranging from 100,000 to 2,000,000)
When I wrote a program to add users, it always failed after adding 13125
users. The error thrown was:
"Exception: Exception caught while storing user:
java.lang.RuntimeException: Exception caught while storing an object:
java.io.FileNotFoundException:
D:\Test\james-2.3.0\apps\var\users\746573743133313233.Repository.FileObj
ectStore (There is not enough space on the disk)"
So I want to know whether there is limitation on nno. of users or is
there any configuration parameter that can be changed to overcome this
error.
Please note that there is 15 GB of free disk space on my PC, so not
having enough physical disk space should not be the real problem.
Secondly, I want to set aliases for all these users to a single user,
say 'ADMIN'. Is there any limitation as to how many aliases can be set?
This issue is urgent and would appreciate if I could get a prompt reply.
You can drop a mail to my mail ID: kaustubha@techmahindra.com
Hope to get an early and positive reply!
Regards,
Kaustubh
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Re: Number of users on JAMES server
Posted by Norman Maurer <no...@apache.org>.
Hi,
there should be not limitations at all. But i highly suggesting to use a
SQL -DB for that much users .
bye
Norman
Kaustubh Agashe schrieb:
> Hi,
> Is there any limitations on the number of users that can be created on
> JAMES server?
> I'm using JAMES 2.3.0 for an application that requires to support tens
> of thousands of users. (ranging from 100,000 to 2,000,000)
>
> When I wrote a program to add users, it always failed after adding 13125
> users. The error thrown was:
>
> "Exception: Exception caught while storing user:
> java.lang.RuntimeException: Exception caught while storing an object:
> java.io.FileNotFoundException:
> D:\Test\james-2.3.0\apps\var\users\746573743133313233.Repository.FileObj
> ectStore (There is not enough space on the disk)"
>
> So I want to know whether there is limitation on nno. of users or is
> there any configuration parameter that can be changed to overcome this
> error.
> Please note that there is 15 GB of free disk space on my PC, so not
> having enough physical disk space should not be the real problem.
>
> Secondly, I want to set aliases for all these users to a single user,
> say 'ADMIN'. Is there any limitation as to how many aliases can be set?
>
> This issue is urgent and would appreciate if I could get a prompt reply.
>
> You can drop a mail to my mail ID: kaustubha@techmahindra.com
>
> Hope to get an early and positive reply!
>
> Regards,
> Kaustubh
>
>
> ============================================================================================================================
>
>
> Disclaimer:
>
> This message and the information contained herein is proprietary and confidential and subject to the Tech Mahindra policy statement, you may review the policy at <a href="http://www.techmahindra.com/Disclaimer.html">http://www.techmahindra.com/Disclaimer.html</a> externally and <a href="http://tim.techmahindra.com/Disclaimer.html">http://tim.techmahindra.com/Disclaimer.html</a> internally within Tech Mahindra.
>
> ============================================================================================================================
>
> !DSPAM:1,46b7fecd240371843019427!
>
>
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Re: Number of users on JAMES server
Posted by Stefano Bagnara <ap...@bago.org>.
Kaustubh Agashe ha scritto:
> Hi,
> Is there any limitations on the number of users that can be created on
> JAMES server?
> I'm using JAMES 2.3.0 for an application that requires to support tens
> of thousands of users. (ranging from 100,000 to 2,000,000)
JAMES has not limit I can remember of.
> When I wrote a program to add users, it always failed after adding 13125
> users. The error thrown was:
>
> "Exception: Exception caught while storing user:
> java.lang.RuntimeException: Exception caught while storing an object:
> java.io.FileNotFoundException:
> D:\Test\james-2.3.0\apps\var\users\746573743133313233.Repository.FileObj
> ectStore (There is not enough space on the disk)"
File based stores are not the best one for big numbers.
You are probably hitting an operative system's file system limitation:
e.g: FAT32 supports at most 65000 files per folder.
Using file based user store JAMES will use 2 files for each user and 2
files for each alias.
> So I want to know whether there is limitation on nno. of users or is
> there any configuration parameter that can be changed to overcome this
> error.
> Please note that there is 15 GB of free disk space on my PC, so not
> having enough physical disk space should not be the real problem.
>
> Secondly, I want to set aliases for all these users to a single user,
> say 'ADMIN'. Is there any limitation as to how many aliases can be set?
Aliases in james 2.3.1 are particular users: so if you create 10 users
and 5 alias for each one you'll end up having 60 users in the user table.
Stefano
> This issue is urgent and would appreciate if I could get a prompt reply.
>
> You can drop a mail to my mail ID: kaustubha@techmahindra.com
>
> Hope to get an early and positive reply!
>
> Regards,
> Kaustubh
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Re: Number of users on JAMES server
Posted by SUL19 <su...@yahoo.co.uk>.
I read the questions Kaustubh and the answeres you wrote here, they are very
useful for me but,
Can I find the answer of Kaustubh's question in the documentation, and
where?
thanks
regards,
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