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  • Subject: Re: IFS limitations?
  • From: Chuck Lewis <clewis@xxxxxxxxxx>
  • Date: Fri, 14 Jul 2000 15:30:56 +0100

AND it's running on an AS/400 according to Netcraft !!

Chuck

"Haase, Justin C." wrote:

> Don't forget about limitation of maximum jobs in system:  140,000 before
> your system locks up tighter than a drum (I'm talking the number on the
> WRKSYSSTS screen - doesn't include hidden system jobs - real number is
> around 156,000).  If you've ever had this happen, you know it'll take your
> all-powerful AS/400 to its knees.  Control block tables fill up...ugh.
>
> Justin C. Haase
> AS/400 Systems Administrator
> Kingland Systems Corporation
> phone - 641.494.1535
> fax - 641.424.1669
> cellular - 641.430.6381
> pager - 641.422.3023
> e-mail - justin.haase@kingland.com
> alpha page - 5550923.beeper@pager.beeperpeople.com
>
> -----Original Message-----
> From: Stefan.Tageson@notes.sema.se [mailto:Stefan.Tageson@notes.sema.se]
> Sent: Thursday, July 13, 2000 12:09 AM
> To: MIDRANGE-L@midrange.com
> Subject: Re: IFS limitations?
>
> Eric, this is what I've found in the "fine" manual The System
> Administrator's Companion to AS/400 Availability and Recovery Redbook
> (SG24-2161):
>
> For practical reasons I guess the question is how You are going to locate
> the files, doing a directory search on a large number of files will
> probably give you response times that have to measured using your calendar.
>
> Regards
> // Stefan
>
> A.5 Miscellaneous Limits
>
> Table 14. Miscellaneous Limits
> |--------------------------------------------------------+----------------|
> | Miscellaneous Limits                                   | Value          |
> |--------------------------------------------------------+----------------|
> | Maximum number of libraries in a library list          | 43             |
> |--------------------------------------------------------+----------------|
> | Maximum number of libraries in the user portion of the | 25             |
> | library list                                           |                |
> |--------------------------------------------------------+----------------|
> | Maximum number of objects in a library                 | approx 360 000 |
> |--------------------------------------------------------+----------------|
> | Maximum number of documents (DLOs) in a user ASP       | approx 349 000 |
> |--------------------------------------------------------+----------------|
> | Maximum number of folders in an ASP                    | 65 536         |
> |--------------------------------------------------------+----------------|
> | Maximum number of auxiliary storage pools (ASPs)       | 1 system ASP   |
> |                                                        | and 15 user    |
> |                                                        | ASPs           |
> |--------------------------------------------------------+----------------|
> | Maximum number of objects on the system or in one /    | Amount of      |
> | root file system                                       | storage        |
> |--------------------------------------------------------+----------------|
> | Maximum number of directories in one directory in the  | 32 000 (approx |
> | root, QopenSys, or user-defined file systems           | 100 for good   |
> |                                                        | performance)   |
> |--------------------------------------------------------+----------------|
> | Maximum size of a stream file                          | 2 gigabytes    |
> |--------------------------------------------------------+----------------|
> | Maximum size of a user space                           | 16 776 704     |
> |                                                        | bytes          |
> |--------------------------------------------------------+----------------|
> | Maximum system and I/O hardware configurations and     | See AS/400     |
> | capacities                                             | System Handbook|
> |                                                        | (GA19-5486)    |
> |--------------------------------------------------------+----------------|
> | Maximum number of DASD arms                            | 596            |
> |--------------------------------------------------------+----------------|
> | Minimum number of DASD arms required for acceptable    | Contact your   |
> | performance (13)                                       | IBM technical  |
> |                                                        | representative |
> |--------------------------------------------------------+----------------|
> | Maximum size of QSYSOPR message queue (14)             | 16 megabytes   |
> |                                                        | (approx 75 000 |
> |                                                        | messages)      |
> |--------------------------------------------------------+----------------|
> | Maximum number of input fields that can be specified   | 256            |
> | for a display file                                     |                |
> |--------------------------------------------------------+----------------|
> | Maximum size of files when filing OfficeVision mail    | 16 megabytes   |
> | locally                                                |                |
> |--------------------------------------------------------+----------------|
>
>
>
>                     eric.delong@pmsi-se
>
>                     rvices.com                 To:
> <midrange-l@midrange.com>
>                     Sent by:                   cc:
>
>                     owner-midrange-l@mi        Subject:     IFS limitations?
>
>                     drange.com
>
>
>
>
>
>                     2000-07-12 18:41
>
>                     Please respond to
>
>                     MIDRANGE-L
>
>
>
>
>
>      What is the maximum number of files that can be stored in an IFS
>      directory? We're looking at storing imaged documents (tiff) on the
>      400. TFM has not provoded the answer yet......
>
>      tia
>      eric.delong@pmsi-services.com
>
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