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

[SCOOP #VIG-984721]: weather.renci.org using lots of memory...

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 Note that the archive is no longer being updated. We provide the archive for reference; many of the answers presented here remain technically correct, even if somewhat outdated.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: [SCOOP #VIG-984721]: weather.renci.org using lots of memory...
  • Date: Wed, 16 May 2007 15:45:20 -0600
Gerry,

> Wondering if you might have any ideas why renci's machine might be using
> a lot of memory on their new box?  They just updated the hardware to
> 16GB RAM, they have a 4GB queue.
> 
> [ldm@weather ~]$ free -m
> total       used       free     shared    buffers     cached
> Mem:         16029      15361        668          0        171      13220
> -/+ buffers/cache:       1969      14060
> Swap:         8415          0       8415
> 
> [ldm@weather ~]$ ps -efw|grep ldm
> ldm      14777     1  0 May14 ?        00:00:00 rpc.ldmd -P 388 -q
> /opt/ldm/data/ldm.pq /opt/ldm/etc/ldmd.conf
> ldm      14779 14777  0 May14 ?        00:00:41 pqact -f FSL2
> /opt/ldm/etc/pqact.conf_fsl2
> ldm      14780 14777  0 May14 ?        00:02:02 pqact -f CRAFT
> /opt/ldm/etc/pqact.conf_craft
> ldm      14782 14777  0 May14 ?        00:00:35 rtstats -h
> rtstats.unidata.ucar.edu
> ldm      14783 14777  0 May14 ?        00:00:39 pqact -f EXP|SPARE
> /opt/ldm/etc/pqact.conf_exp
> ldm      14784 14777  0 May14 ?        00:00:22 rpc.ldmd -P 388 -q
> /opt/ldm/data/ldm.pq /opt/ldm/etc/ldmd.conf
> ldm      14785 14777  0 May14 ?        00:00:26 rpc.ldmd -P 388 -q
> /opt/ldm/data/ldm.pq /opt/ldm/etc/ldmd.conf
> ldm      14786 14777  0 May14 ?        00:00:52 rpc.ldmd -P 388 -q
> /opt/ldm/data/ldm.pq /opt/ldm/etc/ldmd.conf
> ldm      14787 14777  0 May14 ?        00:00:05 rpc.ldmd -P 388 -q
> /opt/ldm/data/ldm.pq /opt/ldm/etc/ldmd.conf
> ldm      14788 14777  0 May14 ?        00:00:02 rpc.ldmd -P 388 -q
> /opt/ldm/data/ldm.pq /opt/ldm/etc/ldmd.conf
> ldm      15097 14777  0 May14 ?        00:00:20 rpc.ldmd -P 388 -q
> /opt/ldm/data/ldm.pq /opt/ldm/etc/ldmd.conf
> ldm       7440 14777  0 May14 ?        00:00:26 rpc.ldmd -P 388 -q
> /opt/ldm/data/ldm.pq /opt/ldm/etc/ldmd.conf
> ldm       2479 14777  0 11:32 ?        00:00:03 rpc.ldmd -P 388 -q
> /opt/ldm/data/ldm.pq /opt/ldm/etc/ldmd.conf
> root     11928  3971  0 15:56 ?        00:00:00 sshd: ldm [priv]
> ldm      11934 11928  0 15:56 ?        00:00:00 sshd: ldm@pts/0
> ldm      11935 11934  0 15:56 pts/0    00:00:00 -bash
> 
> I can't necessarily see a problem but I'm multitasking at a meeting in
> Austin and don't have decent connectivity right now.
> 
> ldmd.conf has 5 pqact instances invoked for different things.  I don't
> see obvious errors in the logs.

I don't see anything obviously wrong, either.

I've heard that some Linux-es like to use as much memory as
possible.  Perhaps that's it.

> 
> thanks Gerry
> --
> Gerry Creager -- address@hidden
> Texas Mesonet -- AATLT, Texas A&M University
> Cell: 979.229.5301 Office: 979.458.4020  FAX 979.862.3983
> MAIL:  AATLT, 3139 TAMU
> Physical: 1700 Research Parkway, Suite 160,
> College Station, TX 77843-3139
> 
> 

Regards,
Steve Emmerson

Ticket Details
===================
Ticket ID: VIG-984721
Department: Support IDD SCOOP
Priority: Normal
Status: Closed