Thank you Kenneth.
We do use ODBC Informix stages a lot.
Leonid
Kenneth Bland on 12/14/2001 11:30:44 AM
Please respond to
To:
datastage-users@oliver.com
cc:
Subject: Re: Using /tmp directory
UVTEMP is for internal Universe commands work area.
This is different from where DataStage writes its
heap and hash memory map files. You only really need
to worry about UVTEMP if youre using the UV/ODBC
stage. Otherwise, changing the dsenv file only
requires a recycling of services.
Good luck!
---
lfrumke@sears.com wrote:
>
> What about uvconfig file?
>
> # UVTEMP - is the name of the directory
> # where UniVerse will put select lists
> # and other internal temporary work
> # files. This should be a fully
> # qualified name of no more than 112
> # characters.
> UVTEMP /tmp
>
> If we decide to change DS_MMAPPATH from /tmp to
> something else, then will
> this require to change UVTEMP as well?
>
> Thank you,
> Leonid
>
>
>
>
> "DataStage Developer"
> on 12/13/2001
> 02:19:47 PM
>
> Please respond to
>
> To:
> cc:
>
> Subject: Re: Using /tmp directory
>
>
> I know that if you are writing a hashed file with
> write cache enabled
> then
> this will cause memory map files to be created in
> the directory specified.
> I
> am not sure if any files are created when hashed
> files are pre-loaded -
> perhaps somebody else could comment.
>
> If the /tmp directory gets full then problems will
> occur. Also, it might
> cause problems for other applications on the same
> server. I think that a
> separate file system for DataStage temp files is
> advisable, as it allows
> for
> more control, when sizing or purging.
>
> After changing dsenv, remember to stop and start the services.
>
>
> ----- Original Message -----
> From:
> To:
> Sent: Thursday, December 13, 2001 6:41 PM
> Subject: Using /tmp directory
>
>
> > Hi all,
> >
> > We are running DataStage 4.0 on Solaris box.
> > DataStage is using /tmp directory as a default
> for memory-mapping hashed
> > files, which is defined in dsenv file:
> >
> > DS_MMAPPATH=/tmp; export DS_MMAPPATH
> > DS_MMAPSIZE=32; export DS_MMAPSIZE
> > DS_MAXWRITEHEAPS=1; export DS_MAXWRITEHEAPS
> >
> > Is it actually a good idea to use /tmp directory?
> How much space is
> usually
> > required?
> >
> > Thank you,
> > Leonid Frumker
> >
> >
>
>
>
>
>
>
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