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
>>
>>
>> ______________________________**_________________
>> thredds mailing list
>> thredds@xxxxxxxxxxxxxxxx
>> For list information or to unsubscribe, visit:
>> http://www.unidata.ucar.edu/**mailing_lists/<http://www.unidata.ucar.edu/mailing_lists/>
>>
>>
> --
> 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.
>
> <>< <>< <>< <>< <>< <>< <>< <>< <><
>
> ______________________________**_________________
> thredds mailing list
> thredds@xxxxxxxxxxxxxxxx
> For list information or to unsubscribe, visit:
> http://www.unidata.ucar.edu/**mailing_lists/<http://www.unidata.ucar.edu/mailing_lists/>
>
--
=======================================
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
============================================
