[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

[LDM #DIL-286118]: pqact EXEC for creating sym links

This archive contains answers to questions sent to Unidata support through mid-2025. Note that the archive is no longer being updated. We provide the archive for reference; many of the answers presented here remain technically correct, even if somewhat outdated. For the most up-to-date information on the use of NSF Unidata software and data services, please consult the Software Documentation first.

  • Subject: [LDM #DIL-286118]: pqact EXEC for creating sym links
  • Date: Tue, 02 Feb 2016 16:50:36 -0700
Neil,

The PIPE I/O is buffered by the O/S. It's about as fast as you can get.

Are you ingesting NEXRAD2 (i.e., NEXRAD Level II) data? If so, then we might be 
able to help with a script we wrote here to composite a volume scan.

> Thanks Steve.
> Probably as no surprise to you, these script processes will overwhelm the ldm 
> very soon with climbing load factor.
> 
> I believe it was decided when ingesting the standard plus dualpol NIDS data 
> that a buffering ‘STDIOFILE -close’ should be used instead of ‘FILE -close’ 
> as it would have a better chance at keeping up with the inflow.
> 
> Should a buffered I/O somehow be incorporated with this script?

Regards,
Steve Emmerson

Ticket Details
===================
Ticket ID: DIL-286118
Department: Support LDM
Priority: Normal
Status: Closed