Re: [thredds] References for OPeNDAP usage in Scientific Community

• To: Bob Simons - NOAA Federal <bob.simons@xxxxxxxx>
• Subject: Re: [thredds] References for OPeNDAP usage in Scientific Community
• From: Dan Swank - NOAA Affiliate <dan.swank@xxxxxxxx>
• Date: Tue, 4 Jun 2013 14:54:45 -0400

Here are (just a few snippets)  of relevant
usage statistics from NCDC-NOMADS Archive component.

They do not give an indication of how many individual users are
at work, but does give a good idea of OpenDap vs. traditional access.

NCDC-NOMADS May 2013 Analog statistics

Hits            %            Volume TB %        Service

10259444    48.01%    10.63    21.57%    /thredds/ (all TDS services)
9943808        46.53%    0.79    1.60%      /thredds/dodsC/ (TDS OpenDap)
1631954        7.64%    0.15    0.30%    /dods/ (Grads Data Server)
8118950        37.99%    23.76    48.21%    /data/ (traditional http
requests - for comparison)


    April 2013

7581441        56.16%    4.38    11.21%    /thredds/
7416075        54.94%    3.40    8.70%      /thredds/dodsC/
1716337        12.71%    0.11    0.28%    /dods/
2504387        18.55%    20.26    51.89%    /data/

    March 2013

6184103        61.20%    2.46    5.73%    /thredds/
5973183        59.11%    2.11    4.91%      /thredds/dodsC/
547964        5.42%    0.16    0.37%    /dods/
2375084        23.50%    28.05    65.38%    /data/

    May 2012  ( ~ one year ago)

2424201        42.04%    4.31    11.34%    /thredds/
2271218        39.38%    0.89    2.35%      /thredds/dodsC/
44952        0.78%    0.00    0.01%    /dods/
1949800        33.81%    17.03    44.82%    /data/


    May 2011    (3 years ago)

1115187        24.57%    0.15    0.58%    /thredds/
793331        17.48%    0.12    0.48%      /thredds/dodsC/
441543        9.73%    0.01    0.03%    /dods/
2473671        54.50%    16.18    63.46%    /data/








On Tue, Jun 4, 2013 at 2:27 PM, Bob Simons - NOAA Federal <
bob.simons@xxxxxxxx> wrote:

> NOAA/NMFS/SWFSC/ERD serves about 400 GB of data per month via OPeNDAP
> (THREDDS and ERDDAP).
> ERD servers often get 8,000,000 hits (page requests and service requests)
> per month.
> ERD's record number of hits in an hour is 447238 (which is 124 hits per
> second).
> ERD data services are accessed by about 20,000 unique IP addresses each
> month.
>
>
> On 2013-06-04 10:01 AM, Kevin Manross wrote:
>
>>
>> Greetings!
>>
>> I'm interested in getting a feel for how widely or frequently used
>> OPeNDAP is in the scientific community (or even just the atmospheric
>> sciences).  I've been searching for most of the morning and am
>> struggling to find any (recent) articles that discuss just how much
>> OPeNDAP is used from a client standpoint.
>>
>> I see statements that there is a broad community of OPeNDAP users, but
>> it would be nice to see if there are data or references to support this
>> claim.  If no such references exist, I would be very interested in
>> hearing experiential or anecdotal accounts from data providers or users
>> on this list with regard to OPeNDAP usage.
>>
>> Many thanks!
>>
>> -kevin.
>>
>>
>> --
>> Kevin Manross
>> NCAR/CISL/Data Support Section
>> Phone: (303)-497-1218
>> Email:manross@xxxxxxxx <mailto:manross@xxxxxxxx>
>>
>> Web:http://rda.ucar.edu
>>
>>
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>>
>>
> --
> Sincerely,
>
> Bob Simons
> IT Specialist
> Environmental Research Division
> NOAA Southwest Fisheries Science Center
> 1352 Lighthouse Ave
> Pacific Grove, CA 93950-2079
> Phone: (831)658-3205
> Fax:   (831)648-8440
> Email: bob.simons@xxxxxxxx
>
> The contents of this message are mine personally and
> do not necessarily reflect any position of the
> Government or the National Oceanic and Atmospheric
> Administration.
>
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-- 
=======================================
Dan Swank
NCDC-NOMADS Project
Team ERT/STG
(NCDC Government Contractor)
Data Access & Applications Branch
Veach-Baley Federal Building
151 Patton Avenue
Asheville, NC 28801-5001
Email: Dan.Swank@xxxxxxxx
Phone: 828-271-4007
============================================
Any opinions expressed in this message are mine personally and
do not represent any position from STG, ERT, NCDC, or NOAA
============================================

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  • [thredds] References for OPeNDAP usage in Scientific Community
    • From: Kevin Manross
  • Re: [thredds] References for OPeNDAP usage in Scientific Community
    • From: Bob Simons - NOAA Federal