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19990304: time access for data request

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  • Subject: 19990304: time access for data request
  • Date: Thu, 4 Mar 1999 09:45:33 -0700
Jim,

the rpc.ldmd command uses the -o "offset" flag to request data from a
certain time. The default is "maxlatency" which is generally 1 hour.

You can add the -o flag to the ldmadmin line which invoked rpc.ldmd.

Chiz

On Thu, 4 Mar 1999, Jim Cowie wrote:

> 
> 
> List,
> 
> Is there any way to control the "start" time of a data request
> from a downstream site when you start up the ldm? In other
> words, I want to request a feed of data but only those products
> from "now" (system time) to TS_ENDT (end of time). Normally,
> the LDM asks for data from the downstream site from the current
> time minus 1 hour to TS_ENDT.
> 
> Example:
> 
> Mar 04 03:44:08 ds1-comt rpc.ldmd[678]: Starting Up (built: Dec  8 1998
> 10:49:08)
> Mar 04 03:44:08 ds1-comt ldm[681]: run_requester: Starting Up:
> ldm.comet.ucar.edu.
> Mar 04 03:44:08 ds1-comt ldm[681]: run_requester: 19990304024408.795
> TS_ENDT {{MCIDAS,  "^satx.*"}}
> 
> In this example, the data start time for the request (19990304024408.795)
> is an hour before the current system time (03:44:08). Is this
> hard-coded in the ldm, or can it be controlled?
> 
> I want to be able to specify that I want only data from "now" forward
> in time so that I don't get inundated by old data.
> 
> thanks,
> 
> -jim
> 
> 
> -----------------------------------------------------------
> Jim Cowie                              address@hidden
> NWS/UCAR-COMET                         (303) 497 - 8358
> PO Box 3000
> Boulder, CO  80307-3000
> 
>